MAX Z=x1+6x2-7x3+x4+5x5
Subjecto to
5x1-4x2+13x3-2x4+x5=20
x1-x2+5x3-x4+x5=8
the obtained result when I put the problem in GLPK is:
PROBLEM HAS UNBOUNDED SOLUTION
That was necessary to work with the method of two phases. GLPK has the option to work with this method ?????
That the ideal solution of the problem is : x3=12/7 x2=4/7 all other xj=0 z=-60/7 but I not as obtaining this response using GLPK.
That I can do to obtain the ideal solution ?????????????
thank you
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