weird behavior. bug perhaps?

[Marcel Rodrigues]

Note that

print [shape(m)[1],1]

just prints a list with two elements where the first element is shape(m)[1]
and the second is the number 1 (regardless of the value of m). I'm pretty
sure that's not what you want.


2013/6/18 zoom <zoom at yahoo.com>

> Hi, I have a strange problem here. Perhaps someone would care to help me.
>
> In the file test.py I have the following code:
>
> from scipy import matrix, tile, mean, shape
> import unittest
>
> class TestSequenceFunctions(**unittest.TestCase):
>
>     def setUp(self):
>         self.m = [[1,2],[3,4],[3,4],[3,4]]
>
>     def test_simplify(self):
>         m = matrix(self.m)
>         print shape(m)
>         print [shape(m)[1],1]
>         print shape(tile(mean(m,1),[shape(m)**[1],1]).T)
>
> if __name__ == '__main__':
>     unittest.main()
>
> (Note that test.py, is just a simplification of my testing file,
> sufficient to reproduce the weird behavior that I'm  about to describe.)
>
> If i run it in terminal via "python test.py" command I get the following
> output:
>
> (4, 2)
> [2, 1]
> (1, 8)
> .
> ------------------------------**------------------------------**----------
> Ran 1 test in 0.000s
>
> OK
>
>
> Now comes the funny part.
> Let's try to run the following code in python interpreter:
>
> >>> m = [[1,2],[3,4],[3,4],[3,4]]
> >>>
> >>> from scipy import matrix, tile, mean, shape
> >>> print shape(m)
> (4, 2)
> >>> print [shape(m)[1],1]
> [2, 1]
> >>> print shape(tile(mean(m,1),[shape(m)**[1],1]).T)
> (4, 2)
>
> Note the difference between outputs of:
> print shape(tile(mean(m,1),[shape(m)**[1],1]).T)
>
>
> I mean, WTF?
> This is definitely not the expected behavior.
> Anybody knows what just happened here?
>
> --
> http://mail.python.org/**mailman/listinfo/python-list<http://mail.python.org/mailman/listinfo/python-list>
>
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