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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"nyquist_response ignores indent_direction unless poles have exactly zero real part","articleBody":"As noted in #1191, the current code for `nyquist_response` ignores the `indent_direction` parameter unless there are poles with exactly zero real part.  An alternative behavior would be something like this:\n\n* If `indent_direction` is None, then for any pole within `indent_radius` of the imaginary axis, use the real part of the pole location to determine which way to indent.  If the pole is exactly on the imaginary axis, then indent to the right (current default).\n\n* If `indent_direction` is either 'left' or 'right' and the pole is within `indent_radius` of the imaginary axis, then indent in the specified direction.\n\nThis seems more intuitive and allows you to use the indent direction when poles are near the imaginary axis but not exactly on it.\n","author":{"url":"https://github.com/murrayrm","@type":"Person","name":"murrayrm"},"datePublished":"2026-01-19T05:40:55.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/1194/python-control/issues/1194"}