René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"step_info overshoot error","articleBody":"Hi, the overshoot calculate by step_info function is wrong for this transfer function:\r\n\r\n\r\n```\r\nimport control as ctrl #control 0.8.3\r\nimport matplotlib.pyplot as plt #matplotlib 3.2.2\r\n\r\ntransferFunction = ctrl.tf([0.6287,37.74,774.4,5797,7515],[1.629,45.74,788.4,5809,7515])\r\n\r\ntime, out = ctrl.step_response(transferFunction)\r\n\r\nplt.figure()\r\nplt.grid()\r\nplt.plot(time, out)\r\n```\r\n![fig](https://user-images.githubusercontent.com/21680839/109674075-61e89080-7b55-11eb-8115-70b4666faaea.png)\r\n```\r\nctrl.step_info(transferFunction)\r\n```\r\n\r\n\u003e {'RiseTime': 0.051990934709959705,\r\n 'SettlingTime': 0.4289252113571676,\r\n 'SettlingMin': 0.9121688025464874,\r\n 'SettlingMax': 1.1826717168233585,\r\n 'Overshoot': 29.748622946474416,\r\n 'Undershoot': 0.3859422958870473,\r\n 'Peak': 1.1826717168233585,\r\n 'PeakTime': 0.13430991466739592,\r\n 'SteadyStateValue': 0.9999984629917944}\r\n\r\n","author":{"url":"https://github.com/juanodecc","@type":"Person","name":"juanodecc"},"datePublished":"2021-03-02T15:49:07.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/554/python-control/issues/554"}