NNLS function

[Paul Roberts]

Hello,

I was wondering if there is a function in octave to perform
non-negative least squares. This is defined as:

Given matrix R and data vector y, 

find x such that ||y - Rx||^2 is minimised AND x >= 0 where ||.|| is the 2-norm

The equivalent function in matlab is called lsqnonneg.

Thanks,

Paul



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