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singlediode and I_from_V do not work on Linux/Scipy 0.15/Python 3.4 #72

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wholmgren opened this issue Jun 24, 2015 · 4 comments
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@wholmgren
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There appears to be a problem with the conda scipy package for Python 3.4 on linux. This impacts us because we use the scipy.special.lambertw function when calculating IV curves. See more:

ContinuumIO/anaconda-issues#243 (comment)

http://stackoverflow.com/questions/30792319/anaconda3-scipy-special-lambertw-function-return-nan

@wholmgren
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works if you $ conda install numpy=1.8 scipy=0.14

@wholmgren
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Does not work if you install numpy 1.9.2 and scipy 0.15.1 via pip, so this isn't just a conda problem. However, I thought that conda was supposed to prevent these kinds of conflicts from happening.

@wholmgren wholmgren mentioned this issue Jun 25, 2015
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@wholmgren
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I'm resolving this by just saying don't use that combination. We could try to make a smarter install script, but if people are using linux then they can probably figure it out for themselves and they probably have a higher tolerance for this kind of bs.

@wholmgren
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Should note that #70 adds a test that fails with this combination and adds a hack to the travis config file so that the tests are run on numpy 1.8 and scipy 0.14.

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