No feasible solution found when using intlinprog

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Austin Brehm
Austin Brehm 2018-6-28
回答： Steve Grikschat 2018-6-29
I am using "intlinprog" to solve a system of linear equations. The "f" matrix is a 1x180 matrix. Can intlinprog process large matrices like this? I have 12 unknowns with 7 equality constraint equations.
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Austin Brehm
Austin Brehm 2018-6-28
Very sorry, I meant to say 180 unknowns and 28 constraints. I made a mistake while creating the Aeq matrix and it now outputs one solution. Is there a way to check all answers matlab comes up with, not just the optimal point? Thank you very much.
Ameer Hamza
Ameer Hamza 2018-6-28
The Display property of intlinprog() is already set to 'iter', which mean it already displays the result of each iteration by default. I am not sure whether you will be able to access any more information than that but you can give this link a try: https://www.mathworks.com/help/matlab/math/output-functions.html#bsgpq6q-31

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Steve Grikschat
Steve Grikschat 2018-6-29
If you are referring to intermediate feasible solutions you can use the built-in OutputFcn savemilpsolutions:
intlinprog OutputFcns
Just a warning: if there is no objective function for the problem (or it is all zero), then as soon as intlinprog finds any integer feasible solution, it will stop.

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