how to use simplex method from matlab toolbox to min objective function with Ax>=b

Dear,

I want to use simplex method from matlab toolbox and is for the constraints Ax<=b. but I have Ax>=b. Is there any suggestions please.

regards,

Nadia

Answer 1

[Matt J]

Note that Ax>=b is equivalent to -A*x<=-b, so call linprog as

   opts=optimoptions(@linprog,'Algorithm','simplex',...);
   linprog(f,-A,-b,...,opts)

[nadia nadi]

Dear Matt,

Thanks for replying, I thought I can't do that, that's great I will try it and see what I'm going to get.

Thanks again,

Nadia

[nadia nadi]

Dear Matt,

It works well thanks.

Nadia