shuffle things around a bit

groups/python-scientific-computing/a-scientific-community-using-python/messages.json

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+[{"user_id": 7688, "stars": [], "topic_id": 13112, "date_created": 1300145904.5272369, "message": "Is this what we want to achieve with this convore group?", "group_id": 6727, "id": 351997}, {"user_id": 8649, "stars": [{"date_created": 1300300951.9825301, "user_id": 10411}], "topic_id": 13112, "date_created": 1300250830.1769519, "message": "I think so... This may also end up just being a staging ground for that scientific community.  The key point is that it is not centered around a particular toolkit or library.  There are plenty of those to go around.  Rather, just like the SciPy conference is an umbrella for a wide variety of scientific computing in Python, I would like for us to build some online resource that has a similar breadth of users.", "group_id": 6727, "id": 362675}, {"user_id": 7688, "stars": [], "topic_id": 13112, "date_created": 1300293781.8341811, "message": "I would like to contribute for the development of such a community.  I am wondering should we start with a name to identify ourselves?", "group_id": 6727, "id": 367487}, {"user_id": 7688, "stars": [], "topic_id": 13112, "date_created": 1300293576.443516, "message": "It's good.  Since the scipy-user list seems to be for SciPy package, I hesitate to ask or share information on my work, which is pretty remote to the scenarios that SciPy applies on.  A more generic community focusing on just Python for science will be more suitable for me.", "group_id": 6727, "id": 367469}, {"user_id": 7688, "stars": [], "topic_id": 13112, "date_created": 1300300350.950392, "message": "@matthewturk Perhaps we can view the convore group as a starting point.  Information is nicely archived on convore.  We can also have frequent interaction on the twitter-like interface.  I personally feel it's a good place for further development of the community.", "group_id": 6727, "id": 368422}, {"user_id": 10411, "stars": [], "topic_id": 13112, "date_created": 1300301095.8608861, "message": "Peter mentioned to me and others recently, that maybe we should advertise this convore group on all of those lists that are much more specific.  \n\nThe question is \"Are we going to stick with convore?\"  In the short term, I think the answer is that we are, because doing anything else requires much more work.", "group_id": 6727, "id": 368508}, {"user_id": 10348, "stars": [], "topic_id": 13112, "date_created": 1300299345.541636, "message": "I'd also be interested in a broader place for discussion.  The HPC mailing list on python.org is interesting, but not very well-subscribed.  Convore seems very cool, but isn't it a bit worrisome that it's (currently?) a somewhat isolated system?", "group_id": 6727, "id": 368231}, {"user_id": 7688, "stars": [], "topic_id": 13112, "date_created": 1300300246.095804, "message": "I don't even know there's a HPC list at python.org.  Just subscribed it anyway.", "group_id": 6727, "id": 368410}, {"user_id": 20326, "stars": [], "topic_id": 13112, "date_created": 1300307559.311178, "message": "The impression I got about the convore when originally proposed was that it would be used to bootstrap another type of online presence. Convore is easy, free, and social, but it's also terse and ephemeral, so hopefully we can one day supplement it.", "group_id": 6727, "id": 369307}, {"user_id": 10348, "stars": [], "topic_id": 13112, "date_created": 1300313459.20649, "message": "@mikegraham I agree, I hope it can be supplemented with something less ephemeral at some point.  @scopatz In the short term, I think that sounds reasonable.", "group_id": 6727, "id": 369747}, {"user_id": 7688, "stars": [], "topic_id": 13112, "date_created": 1300315198.0738909, "message": "I see Convore as an enhanced IRC.  Writing and responding to messages are easy, like what IRC offers, but messages in Convore are better organized than in IRC.", "group_id": 6727, "id": 369840}, {"user_id": 10348, "stars": [], "topic_id": 13112, "date_created": 1300313591.771822, "message": "I suppose one question I have is, is this a forum that will serve for discussions that are ill-served elsewhere?  Or is it meant to have an overlap?  There are a number of topics in scientific applications of Python that don't really have homes: provenance, deployment, homegrown viz, community development, and so on.  But is Convore the right venue?", "group_id": 6727, "id": 369754}, {"user_id": 7688, "stars": [], "topic_id": 13112, "date_created": 1300315287.207001, "message": "I guess it could be too demanding for Convore to be the main venue of serious discussion.  But Convore should be able to serve well as an important component of a vibrant community.", "group_id": 6727, "id": 369850}]

groups/python-scientific-computing/generating-matrix-from-eigenvalues/messages.json

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+[{"user_id": 21141, "stars": [], "topic_id": 17456, "date_created": 1302035533.7045741, "message": "I was talking with someone today who was describing what they were trying to do for a project.  They wanted to generate the possible set of matrices from known eigenvalues.  I don't often work with these types of things.  I see that numpy.linalg has the eigvals and eig functions but nothing to do the inverse which seems to be a much more complicated problem.  Anyone have any suggestions or pointers before I spend too much time relearning my linear algebra and trying to figure out a solution?", "group_id": 6727, "id": 546231}, {"user_id": 21506, "stars": [], "topic_id": 17456, "date_created": 1302081809.8313379, "message": "if it's a square matrix, the eigenvalues are just the diagonal elements.", "group_id": 6727, "id": 557206}, {"user_id": 10454, "stars": [], "topic_id": 17456, "date_created": 1302097891.11326, "message": "@squeezedlight, uh, no, they're not.", "group_id": 6727, "id": 559415}, {"user_id": 10454, "stars": [], "topic_id": 17456, "date_created": 1302098187.1496291, "message": "@jzmiller1, you can't generate *all* of them. There are infinitely many.", "group_id": 6727, "id": 559467}, {"user_id": 21141, "stars": [], "topic_id": 17456, "date_created": 1302107571.022603, "message": "Yes, I've been reading up on this problem and its actually pretty complex.  The matrix is a 7x7.  The diagonal elements are useful, the sum is the trace.", "group_id": 6727, "id": 561260}, {"user_id": 21141, "stars": [], "topic_id": 17456, "date_created": 1302107650.204145, "message": "@RobertKern Do you know of a good method I could use to generate a few? 10, maybe 100 at time?  I've struggled to find something.  Thanks for checking this conversation out tho.", "group_id": 6727, "id": 561266}, {"user_id": 10454, "stars": [], "topic_id": 17456, "date_created": 1302112098.1373391, "message": "Do you care how evenly they are distributed in the space? Do you need to restrict yourself to real matrices?", "group_id": 6727, "id": 562107}, {"user_id": 10454, "stars": [], "topic_id": 17456, "date_created": 1302115468.215342, "message": "Short answer, generate a random 7x7 matrix (np.random.standard_normal([7,7]) is best), maybe symmetrize it, find its eigenvectors, and then construct a matrix using those eigenvectors and your own eigenvalues: np.dot(v.H, eigvals * v)", "group_id": 6727, "id": 562846}, {"user_id": 10454, "stars": [], "topic_id": 17456, "date_created": 1302115591.3282959, "message": "[~]\n|1> import numpy as np\n\n[~]\n|2> A = np.random.standard_normal([7,7])\n\n[~]\n|3> B = np.dot(A.T, A)\n\n[~]\n|5> w,v = np.linalg.eigh(B)\n\n[~]\n|6> my_eigvals = np.arange(7,0,-1)\n\n[~]\n|7> M = np.dot(v.T, my_eigvals * v)\n\n[~]\n|8> np.linalg.eigvals(M)\narray([ 7.,  6.,  5.,  4.,  3.,  2.,  1.])\n", "group_id": 6727, "id": 562879}, {"user_id": 43883, "stars": [], "topic_id": 17456, "date_created": 1322416616.4356461, "message": "Generate a diagonal matrix D with the eigenvalues you want, generate a random orthogonal matrix Q. Then A = Q.T * D * Q has the desired eigenvalues. One of the many ways to generate a Q is to build a Householder matrix : Q = I - 2* u*u.T/dot(u,u) for some random (nonzero) vector u.", "group_id": 6727, "id": 2652654}]

groups/python-scientific-computing/hacking-challenge-with-prizes/messages.json

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+[{"user_id": 21310, "stars": [], "topic_id": 19313, "date_created": 1302737299.7324531, "message": "ScienceBlogs.com and DonorsChoose.org are advertising a hacking challenge to\"make discoveries and build apps that improve education in America\". The prizes are definitely worth taking a look. http://www.donorschoose.org/hacking-education", "group_id": 6727, "id": 673682}, {"user_id": 8649, "stars": [], "topic_id": 19313, "date_created": 1302900815.3930581, "message": "Of course, one can't talk about hacking challenges without bringing up Kaggle: http://www.kaggle.com/", "group_id": 6727, "id": 705244}]

groups/python-scientific-computing/i-just-created-a-convore-group-for-scipy-2011/messages.json

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+[{"user_id": 21310, "stars": [], "topic_id": 41757, "date_created": 1310497981.2754669, "message": "Wheee scipy on convore!", "group_id": 6727, "id": 1622248}, {"user_id": 8649, "stars": [], "topic_id": 41757, "date_created": 1310497635.420934, "message": "https://convore.com/scipy-2011/", "group_id": 6727, "id": 1622206}, {"user_id": 33183, "stars": [], "topic_id": 41757, "date_created": 1310498219.4050901, "message": "Thanks Peter!", "group_id": 6727, "id": 1622275}, {"user_id": 8649, "stars": [], "topic_id": 41757, "date_created": 1310498688.0015571, "message": "NP.. now I have to create the topics for the tutorials :)", "group_id": 6727, "id": 1622304}]

groups/python-scientific-computing/math-diagramming-software/messages.json

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+[{"user_id": 8649, "stars": [], "topic_id": 14148, "date_created": 1300678311.4414041, "message": "I am in the midst of Googling for this, but I thought I'd ask to see if others know some off-hand.  My father is writing a physics book and he needs to be able to do nice diagrams.  Not quantitative plots, but rather 2D and 3D surface diagrams showing things like curvature and whatnot.  I think OmniGraphSketcher is pretty effective for 2D, but is there anything for 3D short of Mathematica + Inkscape?", "group_id": 6727, "id": 395020}, {"user_id": 7688, "stars": [], "topic_id": 14148, "date_created": 1300699156.4451909, "message": "I want to know if there's good software for this too.  I used pstricks for all my 2/3D schematics now.  The quality is good, but it's really time consuming.", "group_id": 6727, "id": 396858}, {"user_id": 21402, "stars": [], "topic_id": 14148, "date_created": 1300741262.0453341, "message": "You can use Visual Python to program the 3D objects, and then you can export that to a POVray model, which you can excellently render in high quality for publication output.", "group_id": 6727, "id": 402563}, {"user_id": 21157, "stars": [], "topic_id": 14148, "date_created": 1300749489.272717, "message": "You could also try Blender, which provides a full 3D modeling GUI as well as python-scripted graphics.", "group_id": 6727, "id": 403508}, {"user_id": 21157, "stars": [], "topic_id": 14148, "date_created": 1300749570.3125911, "message": "http://www.blender.org - main page; http://www.blender.org/documentation/248PythonDoc/ - python API; http://pycon.blip.tv/file/4880934/ - PyCon video on scripting Blender with Python", "group_id": 6727, "id": 403522}, {"user_id": 8649, "stars": [], "topic_id": 14148, "date_created": 1300755949.092556, "message": "Thanks for the ideas, guys.  I think Visual Python might be the best bet...", "group_id": 6727, "id": 404145}, {"user_id": 10411, "stars": [], "topic_id": 14148, "date_created": 1300768659.0171371, "message": "@pwang I took a look at Visual Python earlier today and it seemed like there was a lot of overhead.  I'd be interested in hearing your experiences.", "group_id": 6727, "id": 404919}, {"user_id": 21402, "stars": [], "topic_id": 14148, "date_created": 1300861278.7170701, "message": "I've used Visual Python quite a lot during my PhD thesis. I've done a bit at the Kiwi PyCon 2009 on it and other visualisation packages. So the stuff isn't 100% up-to-date anymore, but should still be quite useful: http://ojs.pythonpapers.org/index.php/tppm/article/view/121 and http://www.slideshare.net/XEmacs/python-data-plotting-and-visualisation-extravaganza", "group_id": 6727, "id": 414798}, {"user_id": 21157, "stars": [], "topic_id": 14148, "date_created": 1300886409.6096599, "message": "I would imagine that the author of a book would like some sort of GUI control (you mentioned OmniGraphSketcher for 2D diagrams, for example, which lets you drag around lines and whatnot). Does any 3D diagramming toolkit allow you to do that?", "group_id": 6727, "id": 417046}, {"user_id": 8649, "stars": [], "topic_id": 14148, "date_created": 1300897289.103581, "message": "I've never seen any.  I think by the time you're moving stuff around in 3D, you're in Sketchup/AutoCAD/Maya/3DS territory.", "group_id": 6727, "id": 418545}, {"user_id": 23030, "stars": [], "topic_id": 14148, "date_created": 1301210922.864017, "message": "@pwang does your dad run a Mac? For really simple 3D plots he might find Grapher.app sufficient.", "group_id": 6727, "id": 449970}, {"user_id": 8649, "stars": [], "topic_id": 14148, "date_created": 1301283029.750448, "message": "He does have both a Mac and a PC.  Grapher.app is a great suggestion - it might be just enough to do what he needs.  His book is about cosmology & gravitation, so there are many diagrams with spheres and things on the surface of spheres that he wants to show.", "group_id": 6727, "id": 454536}, {"user_id": 21157, "stars": [], "topic_id": 14148, "date_created": 1301341642.0599501, "message": "Just out of curiosity, does anyone know of a CAD-type program written in or scriptable by python?", "group_id": 6727, "id": 461404}, {"user_id": 20798, "stars": [{"date_created": 1302051680.956948, "user_id": 8649}], "topic_id": 14148, "date_created": 1301951747.5419199, "message": "http://asymptote.sourceforge.net/", "group_id": 6727, "id": 529274}, {"user_id": 8649, "stars": [], "topic_id": 14148, "date_created": 1302051689.941577, "message": "@cfinch Thanks, that looks great!", "group_id": 6727, "id": 551640}]

groups/python-scientific-computing/matlab-coder/messages.json

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+[{"user_id": 8649, "stars": [], "topic_id": 38840, "date_created": 1307654564.634362, "message": "Has anyone played with The Mathworks's Matlab Coder, which outputs C/C++ from Matlab scripts?", "group_id": 6727, "id": 1354038}, {"user_id": 8649, "stars": [], "topic_id": 38840, "date_created": 1307654567.0006771, "message": "http://www.mathworks.com/products/matlab-coder/", "group_id": 6727, "id": 1354040}, {"user_id": 23030, "stars": [], "topic_id": 38840, "date_created": 1307683574.417315, "message": "Heh, taking a cue from Cython it seems...", "group_id": 6727, "id": 1357566}, {"user_id": 33184, "stars": [], "topic_id": 38840, "date_created": 1307707736.1816859, "message": "I haven't played with it, but I think people are definitely using it. Sort of Cython-lite I guess for MATLAB", "group_id": 6727, "id": 1360030}, {"user_id": 20798, "stars": [], "topic_id": 38840, "date_created": 1307716911.463913, "message": "I had not heard about that...I try to keep my distance from Matlab when I can!  I wonder if this would be useful for generating stand-alone binaries that will run on our cluster without the Parallel Toolbox...", "group_id": 6727, "id": 1361488}]

groups/python-scientific-computing/mixing-languages-with-python/messages.json

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+[{"user_id": 7688, "stars": [], "topic_id": 13584, "date_created": 1300370990.9702981, "message": "I learned a lot on interfacing compiled binaries with Python during the Scientific BOF at PyCon.  Although strongly buying in the advantages offered by ctypes, I am thinking about alternatives to my current approach to mixing-language.", "group_id": 6727, "id": 374147}, {"user_id": 7688, "stars": [], "topic_id": 13584, "date_created": 1300371072.84196, "message": "There's also a related thread happening on numpy-discussion list http://www.mail-archive.com/numpy-discussion@scipy.org/msg30467.html", "group_id": 6727, "id": 374163}, {"user_id": 7688, "stars": [], "topic_id": 13584, "date_created": 1300371088.176532, "message": "My question is, are there good resources on evaluation of different approaches available?", "group_id": 6727, "id": 374167}, {"user_id": 22407, "stars": [], "topic_id": 13584, "date_created": 1300372616.980139, "message": "This paper has some direct comparison (despite the title it is not only about Cython): http://simula.no/research/sc/publications/Simula.SC.578", "group_id": 6727, "id": 374414}, {"user_id": 22407, "stars": [], "topic_id": 13584, "date_created": 1300372692.7552741, "message": "and here's a recent paper on Cython, although behind a paywallhttp://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=CSENFA000013000002000031000001&idtype=cvips&gifs=yes", "group_id": 6727, "id": 374433}, {"user_id": 7688, "stars": [], "topic_id": 13584, "date_created": 1300375152.91909, "message": "@dagss Thanks!  I did notice the Simula paper before but thought it's for Cython only :p", "group_id": 6727, "id": 374890}]

groups/python-scientific-computing/my-domainspecialty-of-scientific-computing-doesnt-have-a-community/messages.json

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+[{"user_id": 8649, "stars": [], "topic_id": 12870, "date_created": 1300048096.7430489, "message": "Per our hallway discussion at PyCon, there are many, many people who use Python for science but who are not well represented on the scipy-user mailing list or who don't have their own \"community\".  What are useful resources for such folks?  What can we do to provide a more cohesive repository of knowledge than just random questions on StackOverflow or Quora?", "group_id": 6727, "id": 343418}, {"user_id": 10411, "stars": [], "topic_id": 12870, "date_created": 1300053830.853312, "message": "We could have a scientific computing clone of the stack overflow pony~_~", "group_id": 6727, "id": 343813}, {"user_id": 7688, "stars": [], "topic_id": 12870, "date_created": 1300058680.358232, "message": "I got a wild idea: how about starting a journal?", "group_id": 6727, "id": 343995}, {"user_id": 20326, "stars": [], "topic_id": 12870, "date_created": 1300059383.5328331, "message": "@yungyuc Wow.", "group_id": 6727, "id": 344050}, {"user_id": 7688, "stars": [], "topic_id": 12870, "date_created": 1300059646.821887, "message": "Of course, it should be a Pythonic journal ... :p", "group_id": 6727, "id": 344069}, {"user_id": 10411, "stars": [{"date_created": 1300114337.421186, "user_id": 7688}, {"date_created": 1300117532.1943431, "user_id": 8649}], "topic_id": 12870, "date_created": 1300064751.6643031, "message": "Journals like what we want / need have recently been started. http://www.openresearchcomputation.com/  Scroll through the list of editors and you'll see a lot of familiar names in the python scientific community.  \n\nI would *highly* encourage using these.  Starting your own journal is a ton of work and requires immense amounts of clout ;)", "group_id": 6727, "id": 344459}, {"user_id": 21375, "stars": [], "topic_id": 12870, "date_created": 1300072763.4201591, "message": "How about revitalizing Ask SciPy? The site looks to be excellent source of numpy/scipy information but it seems it is now working. (I cannot even make the account)", "group_id": 6727, "id": 344740}, {"user_id": 20798, "stars": [], "topic_id": 12870, "date_created": 1300118427.8429351, "message": "I am not in favor of yet another journal.  The number of journals is already increasing out of control. PloS ONE has recently become popular: http://www.plosone.org/home.action", "group_id": 6727, "id": 348661}, {"user_id": 10411, "stars": [], "topic_id": 12870, "date_created": 1300119426.820838, "message": "@joon Ask SciPy filled the Stack Overflow space before there was SO.", "group_id": 6727, "id": 348808}, {"user_id": 21579, "stars": [], "topic_id": 12870, "date_created": 1300138045.945631, "message": "+1 for ask.scipy", "group_id": 6727, "id": 351277}]

groups/python-scientific-computing/potentially-of-interest-a-proposal-for-a-stackexchange-for-numerical-modeling-and-simulation/messages.json

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+[{"user_id": 8649, "stars": [], "topic_id": 38837, "date_created": 1307652955.5776031, "message": "http://area51.stackexchange.com/proposals/1907/numerical-modeling-and-simulation?referrer=urcAIAfl4JqP1xPZSakPmQ2", "group_id": 6727, "id": 1353701}, {"user_id": 20798, "stars": [], "topic_id": 38837, "date_created": 1307716131.59412, "message": "Thanks!  I committed.", "group_id": 6727, "id": 1361374}]

groups/python-scientific-computing/problems-with-a-geospatial-component/messages.json

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+[{"user_id": 1979, "stars": [], "topic_id": 12920, "date_created": 1300074978.7761559, "message": "i'm working at cloudmade, which is basically geoservices provider, so you can ping me if you want", "group_id": 6727, "id": 344845}, {"user_id": 1979, "stars": [], "topic_id": 12920, "date_created": 1300075142.8157301, "message": "unfortunately for most cases, the scale question of such processing is best answered with \"add more computing power\"", "group_id": 6727, "id": 344864}, {"user_id": 1979, "stars": [], "topic_id": 12920, "date_created": 1300075301.4296119, "message": "aaaand to be more on topic -- check out python-gis mailing list, most of the people doing GIS in Python are signed up to it", "group_id": 6727, "id": 344876}, {"user_id": 21141, "stars": [], "topic_id": 12920, "date_created": 1300074971.9983871, "message": "Scientific computing problem involving geospatial data...massive amounts of weather data...other types of things with a location", "group_id": 6727, "id": 344842}, {"user_id": 1979, "stars": [], "topic_id": 12920, "date_created": 1300075154.7071359, "message": "your mileage may vary", "group_id": 6727, "id": 344867}, {"user_id": 1979, "stars": [], "topic_id": 12920, "date_created": 1300075093.749732, "message": "i don't see anything specifically scientific about it, as most of the spatial data processing is a work on trying to convert that crappy format that some stupid data provider gives you into something queryable (i.e. PostGIS)", "group_id": 6727, "id": 344860}, {"user_id": 21141, "stars": [], "topic_id": 12920, "date_created": 1300074508.9315939, "message": "Anyone working on any problems with a geospatial component?  I'm looking for some real things to work on or push students toward in the future...", "group_id": 6727, "id": 344806}, {"user_id": 1979, "stars": [], "topic_id": 12920, "date_created": 1300074891.918685, "message": "geospatial component of what?", "group_id": 6727, "id": 344833}, {"user_id": 21520, "stars": [], "topic_id": 12920, "date_created": 1300121049.841511, "message": "One of the interesting app for desktop users of geospatial tools is QGIS and it Python scripting engine", "group_id": 6727, "id": 348990}]

groups/python-scientific-computing/python-at-sc11-seattle/messages.json

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+[{"user_id": 10343, "stars": [], "topic_id": 47513, "date_created": 1320497865.973058, "message": "If you are attending SC11 in Seattle this year and work with Python, take the chance and present your work at the Python BoF session! \nLeave a comment, if you are interested, either here or at http://bit.ly/tEPFZ2", "group_id": 6727, "id": 2511449}, {"user_id": 8649, "stars": [], "topic_id": 47513, "date_created": 1320790859.797235, "message": "Great, I look forward to attending!", "group_id": 6727, "id": 2535766}]

groups/python-scientific-computing/python-for-rdma/messages.json

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+[{"user_id": 7688, "stars": [], "topic_id": 33183, "date_created": 1304350476.689894, "message": "http://www.obsidianresearch.com/python-rdma/ # project homepage", "group_id": 6727, "id": 884675}, {"user_id": 7688, "stars": [], "topic_id": 33183, "date_created": 1304350166.6977501, "message": "http://insidehpc.com/2011/05/02/video-python-rdma-management-diagnostics/", "group_id": 6727, "id": 884603}]

groups/python-scientific-computing/scikitsnuke/messages.json

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+[{"user_id": 10411, "stars": [], "topic_id": 13435, "date_created": 1300319113.795002, "message": "Who would be interested in starting a scikits.nuke project that would handle nuclear engineering and physics code in Python?  What do people have out there that they can contribute?  What sub-packages would we need to have?", "group_id": 6727, "id": 370112}, {"user_id": 7688, "stars": [], "topic_id": 13435, "date_created": 1300319577.0982921, "message": "What algorithms you want to put in scikits.nuke or what specific problems you want to solve with it?", "group_id": 6727, "id": 370161}, {"user_id": 10411, "stars": [], "topic_id": 13435, "date_created": 1300347125.935832, "message": "@yungyuc Different methods of neutron transport, cross section libraries, a standard way of representing isotope names, burnup-depeltion calculations, a mass stream object.", "group_id": 6727, "id": 372085}, {"user_id": 7688, "stars": [], "topic_id": 13435, "date_created": 1300359523.480027, "message": "@scopatz Now I realize I know nothing about nuclear engineering.", "group_id": 6727, "id": 372902}, {"user_id": 7688, "stars": [], "topic_id": 13435, "date_created": 1300384450.7577009, "message": "(embarrassingly) :p", "group_id": 6727, "id": 375953}, {"user_id": 10411, "stars": [], "topic_id": 13435, "date_created": 1300384373.3361061, "message": "@yungyuc haha!", "group_id": 6727, "id": 375939}, {"user_id": 10411, "stars": [], "topic_id": 13435, "date_created": 1304361652.3372171, "message": "A group of us have started up this project (now called PyNE) over at https://convore.com/pyne/", "group_id": 6727, "id": 887308}, {"user_id": 10411, "stars": [], "topic_id": 13435, "date_created": 1304364004.303745, "message": "Let us know if you want to be involved!", "group_id": 6727, "id": 887942}]

groups/python-scientific-computing/the-python-that-wasnt/messages.json

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+[{"user_id": 10411, "stars": [], "topic_id": 15326, "date_created": 1301078577.658308, "message": "http://pycon.blip.tv/file/4881006/  This talk is awesome, but it still makes me sad that we don't have operators or anonymous blocks... ", "group_id": 6727, "id": 441131}]

groups/python-scientific-computing/topics.json

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+[{"name": "Hacking challenge with prizes", "slug": "hacking-challenge-with-prizes", "creator_id": 21310, "date_created": 1302737174.3115621, "group_id": 6727, "id": 19313}, {"name": "\"My domain/specialty of scientific computing doesn't have a community\"", "slug": "my-domainspecialty-of-scientific-computing-doesnt-have-a-community", "creator_id": 8649, "date_created": 1300048015.137603, "group_id": 6727, "id": 12870}, {"name": "Problems with a Geospatial Component", "slug": "problems-with-a-geospatial-component", "creator_id": 21141, "date_created": 1300074445.627996, "group_id": 6727, "id": 12920}, {"name": "New journal for scientific computing using Python", "slug": "new-journal-for-scientific-computing-using-python", "creator_id": 20326, "date_created": 1300061628.1491699, "group_id": 6727, "id": 12900}, {"name": "A scientific community using Python", "slug": "a-scientific-community-using-python", "creator_id": 7688, "date_created": 1300145851.0110741, "group_id": 6727, "id": 13112}, {"name": "Web based user interfacing for scientists", "slug": "web-based-user-interfacing-for-scientists", "creator_id": 21579, "date_created": 1300137509.3247221, "group_id": 6727, "id": 13075}, {"name": "Mixing languages with Python", "slug": "mixing-languages-with-python", "creator_id": 7688, "date_created": 1300370705.9955299, "group_id": 6727, "id": 13584}, {"name": "Python in Finance", "slug": "python-in-finance", "creator_id": 8649, "date_created": 1300628483.467479, "group_id": 6727, "id": 14067}, {"name": "Using eigenimages to cluster DNA sequences? ", "slug": "using-eigenimages-to-cluster-dna-sequences", "creator_id": 21310, "date_created": 1300608997.214695, "group_id": 6727, "id": 14046}, {"name": "Math diagramming software?", "slug": "math-diagramming-software", "creator_id": 8649, "date_created": 1300677750.974298, "group_id": 6727, "id": 14148}, {"name": "Uncertainties package", "slug": "whats-on-your-mind", "creator_id": 21579, "date_created": 1300803186.899013, "group_id": 6727, "id": 14466}, {"name": "The Python That Wasn't", "slug": "the-python-that-wasnt", "creator_id": 10411, "date_created": 1301078523.7678361, "group_id": 6727, "id": 15326}, {"name": "What Kind of Scientists Are You?", "slug": "what-kind-of-scientists-are-you", "creator_id": 10411, "date_created": 1301856447.732497, "group_id": 6727, "id": 17062}, {"name": "Generating Matrix from Eigenvalues", "slug": "generating-matrix-from-eigenvalues", "creator_id": 21141, "date_created": 1302035271.6219201, "group_id": 6727, "id": 17456}, {"name": "Welcome to Python Scientific Computing", "slug": "welcome-to-python-scientific-computing", "creator_id": 14034, "date_created": 1304121192.3189571, "group_id": 6727, "id": 29961}, {"name": "Python for RDMA", "slug": "python-for-rdma", "creator_id": 7688, "date_created": 1304350159.0611839, "group_id": 6727, "id": 33183}, {"name": "scikits.nuke", "slug": "scikitsnuke", "creator_id": 10411, "date_created": 1300319023.341553, "group_id": 6727, "id": 13435}, {"name": "Data Array in NumPy", "slug": "data-array-in-numpy", "creator_id": 11207, "date_created": 1305118561.0042019, "group_id": 6727, "id": 34736}, {"name": "Strategy for consolidating the number of datasets in PyTables/HDF5", "slug": "strategy-for-consolidating-the-number-of-datasets-in-pytableshdf5", "creator_id": 10411, "date_created": 1300422992.7173071, "group_id": 6727, "id": 13723}, {"name": "Potentially of interest: A proposal for a StackExchange for Numerical modeling and simulation", "slug": "potentially-of-interest-a-proposal-for-a-stackexchange-for-numerical-modeling-and-simulation", "creator_id": 8649, "date_created": 1307652947.1128011, "group_id": 6727, "id": 38837}, {"name": "MATLAB Coder?", "slug": "matlab-coder", "creator_id": 8649, "date_created": 1307654535.5654161, "group_id": 6727, "id": 38840}, {"name": "I just created a Convore group for SciPy 2011", "slug": "i-just-created-a-convore-group-for-scipy-2011", "creator_id": 8649, "date_created": 1310497620.4972391, "group_id": 6727, "id": 41757}, {"name": "Python at SC11, Seattle", "slug": "python-at-sc11-seattle", "creator_id": 10343, "date_created": 1320497776.266037, "group_id": 6727, "id": 47513}]

groups/python-scientific-computing/web-based-user-interfacing-for-scientists/messages.json

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+[{"user_id": 21579, "stars": [{"date_created": 1300396992.1635821, "user_id": 14562}], "topic_id": 13075, "date_created": 1300137771.701556, "message": "Piotr Zolnierczuk mentioned a library called Luban (http://docs.danse.us/pyre/luban/sphinx/). ", "group_id": 6727, "id": 351258}, {"user_id": 10348, "stars": [], "topic_id": 13075, "date_created": 1300137882.6280019, "message": "Wow, Luban looks pretty cool.  We've been building for our project a very simple GUI using qooxdoo to interface with a Python REPL that exposes an RPC.", "group_id": 6727, "id": 351269}, {"user_id": 21579, "stars": [], "topic_id": 13075, "date_created": 1300137634.4028361, "message": "Hello, What is the easiest way to create scientific web gui's? (Possibly with least coding and interactive plots.)", "group_id": 6727, "id": 351249}, {"user_id": 21579, "stars": [], "topic_id": 13075, "date_created": 1300137802.6208949, "message": "Is there anybody around experienced with this one?", "group_id": 6727, "id": 351262}, {"user_id": 21579, "stars": [], "topic_id": 13075, "date_created": 1300140094.8368821, "message": "Being able to run matplotlib as a plotter would be fantastic from within luban. mpl html5 backend seems too experimental at this stage, can't get all the examples running fully functional.", "group_id": 6727, "id": 351418}, {"user_id": 10411, "stars": [], "topic_id": 13075, "date_created": 1300139673.804405, "message": "@gsever I have some experience with other Danse projects.  Mike McKerns' lightening talk on dill from last year's SciPy was pretty awesome.", "group_id": 6727, "id": 351383}, {"user_id": 10348, "stars": [], "topic_id": 13075, "date_created": 1300141170.9309781, "message": "Yeah, the MPL HTML5 backend I think has a little ways to go.  The way we opted to go is probably pretty primitive compared to other options, but we opted to write out PNG files to cStringIO, then serve those directly by adding an additional piece of content into a routing table.", "group_id": 6727, "id": 351539}, {"user_id": 8649, "stars": [], "topic_id": 13075, "date_created": 1300144504.069258, "message": "Actually the author of Luban talked about it at SciPy last year.  He's been working on it for several years now and it's really grown up nicely.", "group_id": 6727, "id": 351911}, {"user_id": 10348, "stars": [], "topic_id": 13075, "date_created": 1300146265.110414, "message": "Oh, I guess I didn't realize Luban had an MPL backend implementation; I thought we were talking about the HTML5 one that is hosted in the mplh5canvas project on Google Code, which I think is still experimental.  I agree that Luban seems extremely impressive, especially since it leverages pyre to do a number of cool things.", "group_id": 6727, "id": 352055}, {"user_id": 21579, "stars": [], "topic_id": 13075, "date_created": 1300153138.4883871, "message": "Pyjamas project (http://pyjs.org/) seems like easy to use. I wonder it could be easily integrated with mpl. @matthewturk, unfortunately no mpl backend for luban :( and only supports some primitive plotting as far as I can see.", "group_id": 6727, "id": 352744}, {"user_id": 23030, "stars": [], "topic_id": 13075, "date_created": 1302941307.9231751, "message": "@matthewturk The HTML5 Canvas backend is in 1.0.0 mainline AFAIK.", "group_id": 6727, "id": 709824}, {"user_id": 21728, "stars": [], "topic_id": 13075, "date_created": 1305326775.4019589, "message": "For those of you who have seen protovis, the author has a new library called d3 that provides a data transformation framework: http://mbostock.github.com/d3/", "group_id": 6727, "id": 1048359}]

groups/python-scientific-computing/welcome-to-python-scientific-computing/messages.json

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+[]

groups/python-scientific-computing/what-kind-of-scientists-are-you/messages.json

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+[{"user_id": 10411, "stars": [], "topic_id": 17062, "date_created": 1301856576.3630781, "message": "Interesting post about left/right brian thinking and science (http://blog.the-scientist.com/2011/03/29/what-kind-of-scientist-are-you/).  I have sort of mixed feeling about it.   I agree that people should generally lighten up, but I am less sure about the specific activities (music).  Thoughts?", "group_id": 6727, "id": 516052}, {"user_id": 20798, "stars": [], "topic_id": 17062, "date_created": 1301951917.7125001, "message": "I read \"A whole new mind\" a couple of months ago.  It's a decent book, but not spectacular.  The book that really changed the way I think about innovation is called \"Group Genius,\" written by Keith Sawyer.", "group_id": 6727, "id": 529298}]

groups/python-scientific-computing/whats-on-your-mind/messages.json

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+[{"user_id": 21579, "stars": [], "topic_id": 14466, "date_created": 1300803525.2197931, "message": "Hello, Is there anybody using the uncertainties package (http://packages.python.org/uncertainties/) or an alternative in their calculations? It's just the right tool that I need for some of the sensitivity analysis in my model. I wonder about the package's performance. Would I get any big speed lost? Is there any way to add uncertainties for the whole array?", "group_id": 6727, "id": 407482}, {"user_id": 20326, "stars": [], "topic_id": 14466, "date_created": 1300805981.6564341, "message": "@gsever, the creator has provided numpy hooks in the uncertainties.unumpy module. Computations using this module will be much slower than normal computations using numpy.", "group_id": 6727, "id": 407922}]