I am have been using the VB implementation of GLPK for quite a while and I am
having the following problem. I write a problem in cplex format and load the
file as follows.
' load the problem from file
'
lp = glpk_read_cpxlp(sPath)
' Find Simplex solution
'
lRet = glpk_simplex(lp)
Print "GLPK SIMPLEX: " & lRet
' Find MIP solution
'
lRet = glpk_integer(lp)
Print "GLPK INTEGER: " & lRet
the glpk_integer returns an error of 204 - cannot start search.
but if I use glpsol.exe to test the formualtion it finds a mip solution in less
than a
second. So I am confident that the formulation is ok and that a mip solution
exists.
Has anyone got any ideas as to why the VB implemtation is returning an error
when glpsol.exe can find a solution with the same formulation.
Regards,
Max
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