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Firstly, thank you for looking at my post.

I am so close to a solution to a problem that has been given me a massive headache.

I am also very stupid and was wondring if one of smart guys could take a look at my problem and see if you might be able to help.

I am trying to find the minimum solution of an argument in matlab using linprog.

The argument takes the form of:

s(t)=arg min||s(t)||

_{1}

subject to

||As(t) - x(t)||

^{2}

_{2}<e

s is a five by one 1 matrix

A is a three by five matrix

and x(t) is a 3 by 1

I cant get linprog to work at all and ideally I would like the s values that minimise the statement above returned.

Any ideas or pointers of places to look would be very much appreciated.

Thank you for your time

Duane