[Numpy-discussion] sort bug

Anton Sherwood anton.sherwood@gmail....
Thu Apr 26 13:30:15 CDT 2007

Travis Oliphant wrote:
> cmp(x,y) must return -1, 0, or 1 which doesn't work on arrays with more
> than 1 element because it is ambiguous.  Thus you get this error.

Ah.  Since lists *can* be compared, I assumed arrays would inherit
that property.

> The operation is undefined.  What do you actually want to do when you
> have equal-valued eigenvalues?

Don't care.

All I really need is the four highest eigenvalues and their vectors.
I'll have a look in "Python Cookbook" to see if there's a more
efficient way to do that partial sort.

Anton Sherwood, http://www.ogre.nu/

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