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Revisit degenerate zero LTI models #3

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hidmic opened this issue Jun 7, 2021 · 0 comments
Open

Revisit degenerate zero LTI models #3

hidmic opened this issue Jun 7, 2021 · 0 comments
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enhancement New feature or request

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@hidmic
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hidmic commented Jun 7, 2021

scipy assumes zero LTI models are the result of ill conditioned numerical algorithms. The forked version of scipy that ltitop relies on works around this problem, but it's a bad approach. It's ambiguous.

Degenerate models should probably be handled separately and explicitly in ltitop.
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