[Numpy-discussion] How to Extract the Number of Rows and Columns in a Matrix

Olivier Delalleau shish@keba...
Mon Mar 26 18:26:38 CDT 2012

len(M) will give you the number of rows of M.
For columns I just use M.shape[1] myself, I don't know if there exists a

-=- Olivier

Le 26 mars 2012 19:03, Stephanie Cooke <cooke.stephanie@gmail.com> a écrit :

> Hello,
> I would like to extract the number of rows and columns of a matrix
> individually. The shape command outputs the rows and columns together,
> but are there commands that will separately give the rows and
> separately give the columns?
> Thanks
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