Primal Problem
Max:2x1+x2+6x3−x4s.t.⎩⎪⎪⎪⎪⎨⎪⎪⎪⎪⎧x1+2x2+x3−x4<=10x1+2x3+x4>=5x2+x3+2x4=20x1>=0,x2<=0,x3<=0
The general vector form of the primal problem can be expressed as:
Max:z=CXs.t.{AX<=BX>=0
We can represent the coefficients of the original problem as matrices: