Andrew, The attached patch implements a simple recovery procedure for simplex errors during integer optimisation. This is done by constructing a new basis and and trying to solve the LP relaxation once more. When this happens something like the following is shown:
Error: unable to factorize the basis matrix (1) Constructing initial basis... which may not be optimal but I think is acceptable. Best Regards, Chris Matrakidis
new_basis.patch
Description: Binary data
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