Re: minimum L1 norm

[Juan Pablo Carbajal]

On Fri, Apr 11, 2014 at 8:05 PM, Ether Jones <address@hidden> wrote:
> Hello.
>
> I think my question is straightforward but I'm not finding the answer I need
> in the manual.
>
> I have a set of overdetermined linear equations A*x = b + epsilon.
>
> A is an MxN matrix where M>N.  A is known.
>
> b and epsilon are Mx1 column vectors.  b is known.  epsilon is unknown.
>
> x is an Nx1 column vector.  x is unknown.
>
> I want to find the value of x that minimizes the L1 norm of epsilon.
>
> What is the recommended way to do this in Octave?
>
>
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Get the YALL1 package
http://yall1.blogs.rice.edu/