MATLAB: Linear programming with complex inequalities

Question

I just wanna solve:

min Z=20X+18Y
with
2X+3Y>=10
4X+7Y>=28
X>=0, Y>=0

Answer is X=0, Y=4 and Z=72 How can i use the linprog command but with >= inequalities?

Answer 1

Multiply the >= inequalities by (-1).

Best wishes

Torsten.