> I have constructed an LPX object and loaded my model/data in it successfully.
> However, a call to lpx_simplex returns LPX_E_FAULT. > Now, this is particularly strange because I get the correct > objective value if I call lpx_write_cpxlp in this main program > and lpx_read_cpxlp and lpx_simplex from a different test program. > Can somebody elaborate on this error. The manual says that the > initial basis may be invalid Probably yes. Could you provide the terminal output from glp_simplex? > does this mean that I have to manually > add slack and artificial variables in my main program but this is not > required when the model is read from a file? No. You can call glp_std_basis or glp_adv_basis to construct a valid initial basis. FYI: You are using obsolete API routines and perhaps an old version of glpk. The most recent version is 4.44. _______________________________________________ Help-glpk mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-glpk
