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Added unit test for singular and incomplete advanced basis start #678

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merged 2 commits into from
Jan 19, 2022

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@jajhall jajhall commented Jan 18, 2022

This follows from the comment by @chrhansk in #669 about the way he was using HiGHS (He's solving NLPs by SLP, it would seem). I wanted to confirm that accommodateAlienBasis can handle a basis that's an old optimal basis extended with both a row and column, and with matrix coefficients changed so that it's got numerical rank deficiency.

@jajhall jajhall merged commit e67c920 into master Jan 19, 2022
@jajhall jajhall deleted the reuse-basis-example branch January 19, 2022 10:17
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