On Mon, Jul 6, 2020 at 6:36 PM chandra chowdhury <pc.chandr...@gmail.com> wrote: > > Hi, > I am trying to solve MILP using Sage. Problem is if there is no solution > it gives an error. Instead of an error, I want to change constraints > (like if initial max=100 which does not give solution, new max=101 which may > give solution) > and run the solver automatically.
it is hard to say without seeing your MILP what would be the best, but you can always just change the formulation in a loop, until you hit the solvable case. > > p = MixedIntegerLinearProgram(solver='GLPK') > .... > p.solve() > > sage.numerical.mip.MIPSolverException: GLPK: Problem has no feasible > solution > > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-support/CAC3pSBKK9fcBy0wfyJfpjo4O7uB1pCvBH8hotq4GNez_VwJR9A%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/CAAWYfq2zMXhZHPrSmWTwHvpBRQeaLs0m_NQxEaWO88AvoRBLww%40mail.gmail.com.
