fix: HinfSyn Bk sign + 105 hardening tests from python-control audit#25

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jamestjsp merged 2 commits intomainfrom

fix/hinfsyn-hardening-tests

Apr 5, 2026

Commits on Apr 4, 2026

fix: negate Bk in HinfSyn controller construction

jamestjsp
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claude
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test: add 105 hardening tests from python-control audit

jamestjsp
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claude
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