Alan G Isaac wrote:
>On Fri, 23 Jun 2006, Keith Goodman apparently wrote:
>
>
>>my x is a Nx1 matrix. I can't get it to work with matrices.
>>
>>
>
>Hmm. One would think that diag() would accept a flatiter
>object, but it does not. Shouldn't it??
>
>
It doesn't?
try:
a = rand(3,4)
diag(a.flat).shape
which prints
(12,12)
for me.
Also:
>>> a = ones((2,3))
>>> diag(a.flat)
array([[1, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0],
[0, 0, 1, 0, 0, 0],
[0, 0, 0, 1, 0, 0],
[0, 0, 0, 0, 1, 0],
[0, 0, 0, 0, 0, 1]])
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