[Numpy-discussion] Automatic matrices
Keith Goodman
kwgoodman at gmail.com
Thu Dec 21 11:13:54 EST 2006
On 12/21/06, Sven Schreiber <svetosch at gmx.net> wrote:
> Sven Schreiber schrieb:
> > Keith Goodman schrieb:
> >
> >> There are many numpy functions that will take a matrix as input but
> >> return an array.
> >>
> >> The nan functions (nanmin, nanmax, nanargmin, nanargmax, nansum) are an example.
> >>
> >
> > So that would be a bug IMHO and should be filed as a ticket. I will do
> > that eventually if nobody stops me first...
> >
>
> This is now ticket #405. Keith, you said "example", do you know of any
> other functions? Maybe you could add a comment to the ticket.
I'll look for more examples.
How about diag?
>> x
matrix([[ 0.82553498, 0.89115156],
[ 0.106748 , 0.21844565]])
>> M.diag(x)
array([ 0.82553498, 0.21844565])
>> M.asmatrix(M.diag(x)).T
matrix([[ 0.82553498],
[ 0.21844565]])
>>
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