[Numpy-discussion] array vs. matrix for matlab-compatible stuff
oliphant.travis at ieee.org
Wed Jan 18 16:10:11 CST 2006
Sven Schreiber wrote:
> I've spent a couple of weeks with scipy/numpy and the old-to-new
> transition; now that the transition is over (?) but some confusion is
> remaining (on my side) I feel the need to ask a basic question about
> matlab compatibility in terms of matrix (linear algebra) programming.
> Take "eye" and "identity" for example; given that "eye" supposedly
> exists to facilitate transiton from matlab to numpy/scipy (correct?),
> I expected eye to be/return a matrix.
Historical is the only reason. Numeric always returned an array for eye
not a matrix. We could return a matrix without difficulty especially if
we put an eye --> identity transition in convertcode.py
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