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Title: Fix inconsistencies in frequency response at poles by murrayrm · Pull Request #542 · python-control/python-control · GitHub

Open Graph Title: Fix inconsistencies in frequency response at poles by murrayrm · Pull Request #542 · python-control/python-control

X Title: Fix inconsistencies in frequency response at poles by murrayrm · Pull Request #542 · python-control/python-control

Description: This PR addresses issue #532 regarding inconsistencies in the return values for various frequency response functions. The changes fixes a number of previous inconsistencies, where state space and ...

Open Graph Description: This PR addresses issue #532 regarding inconsistencies in the return values for various frequency response functions. The changes fixes a number of previous inconsistencies, where state space and ...

X Description: This PR addresses issue #532 regarding inconsistencies in the return values for various frequency response functions. The changes fixes a number of previous inconsistencies, where state space and ...

Opengraph URL: https://github.com/python-control/python-control/pull/542

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change infinite gain value to inf (from nan/inf)https://github.com/python-control/python-control/pull/542/commits/b67eb7d3c80d345636249ecc1890e8045f73da38
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unit tests for infinite frequency response values, warningshttps://github.com/python-control/python-control/pull/542/commits/96e44fe425a0166749a30e7c49d8dcecd4c16f7d
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update return values to match numpy inf/nan patternhttps://github.com/python-control/python-control/pull/542/commits/8b44e87f8a92dc585438b4117e0673b5269d140e
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add logic for pole/zero inaccuracies on different systemshttps://github.com/python-control/python-control/pull/542/commits/223d0c84c9aef2e3e42c37f81cadbd62e807d740
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Inconsistent evaluation of tf/ss systems with pole at the origin #532 https://github.com/python-control/python-control/issues/532
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DC gain evaluation of State-space objects #128 https://github.com/python-control/python-control/issues/128
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sys.dcgain() should return a real value rather than a complex value (until/unless we support complex coefficients) #578 https://github.com/python-control/python-control/issues/578
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Inconsistent evaluation of tf/ss systems with pole at the origin https://github.com/python-control/python-control/issues/532
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