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From: Bruno Luong on 4 Oct 2009 10:55
Rune Allnor <allnor(a)tele.ntnu.no> wrote in message <0d69cf8a-2563-4458-b112-401524512d0d(a)p36g2000vbn.googlegroups.com>...

>
> First come up with something that actually works,
> only then criticize speed.

Yes I did.

>
> > 2. It does not work on sparse matrix
>
> Were there any sparse matrices in this thread?

Actually originally this thread is NOT even about PINV. It's about bad scaling. My comments on your post is direct toward the *general* use of PINV.

The OP only need to rescale his data, and a simple backslash will do. Look at my earlier post and John's post.

Bruno
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