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Re: lsqnonneg

From: Jordi Gutiérrez Hermoso
Subject: Re: lsqnonneg
Date: Wed, 26 Jan 2011 12:23:22 -0600

2011/1/26 Jaana Tommiska <address@hidden>:
> which algorithm does lsqnonneg(A,b) use when A is underdermined? I
> suppose that lsqnonneg uses Lawson and Hanson's NNLS when A is
> overdetermined .

You can read the source yourself:

It doesn't seem to be using a special method for underdetermined
systems. Should it be? Is a patch needed?

- Jordi G. H.

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