[Numpy-discussion] matrix norm

Charles R Harris charlesr.harris at gmail.com
Mon Oct 22 11:56:48 EDT 2012


On Mon, Oct 22, 2012 at 9:44 AM, Jason Grout <jason-sage at creativetrax.com>wrote:

> I'm curious why scipy/numpy defaults to calculating the Frobenius norm
> for matrices [1], when Matlab, Octave, and Mathematica all default to
> calculating the induced 2-norm [2].  Is it solely because the Frobenius
> norm is easier to calculate, or is there some other good mathematical
> reason for doing things differently?
>
>
Looks to me like Matlab, Octave, and Mathematica all default to the
Frobenius norm .

Chuck
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