[Numpy-discussion] How to remove any row or column of a numpy matrix whose sum is 3?

Chris Barker chris.barker@noaa....
Mon Jun 4 11:56:38 CDT 2012


On Mon, Jun 4, 2012 at 9:38 AM, Robert Kern <robert.kern@gmail.com> wrote:
>  # Now use the numpy.delete() function to get the matrix
>  # with those rows and columns removed from the original matrix.
>  P = np.delete(M, bad_rows, axis=0)
>  P = np.delete(P, bad_cols, axis=1)

ah yes, forgot about np.delete -- that is a bit cleaner -- also,
nonzero() rather than argwhere() is also cleaner.

i.e. listen to Robert, not me!

-Chris




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