René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"\"Interconnect\" input specification.","articleBody":"Hi,\r\n\r\nIn this code I want \"interconnect\" to build a system with just one input \"sys.u1\". It tries to create two inputs and as a result catches an exception. Am I getting it wrong?\r\n\r\n```\r\nimport numpy as np\r\nimport control as ct\r\n\r\nf = np.array([[-35, 1], [-225, -5]])\r\nj = np.array([[0], [5]])\r\ng = np.array([[-965], [-8775]])\r\ncobs = np.eye(2)\r\ndobs = np.zeros((2, 2))\r\n\r\na = np.array([[0, 1, 0], [0, -1, 1], [0, 0, -5]])\r\nb = np.array([[0], [0], [5]])\r\nc = np.array([[1, 0, 0]])\r\nd = 0\r\n\r\nplant = ct.ss(a, b, c, d,\r\n              inputs=[\"u1\"], outputs=[\"y1\"], name=\"plant\")\r\nobserver = ct.ss(f, np.hstack((g, j)), cobs, dobs,\r\n                 inputs=[\"u1\", \"u2\"], outputs=[\"y1\", \"y2\"], name=\"observer\")\r\n\r\nsys = ct.interconnect([plant, observer],\r\n                      connections=[[\"observer.u1\", \"plant.y1\"]],\r\n                      inplist=[[\"plant.u1\", \"observer.u2\"]],\r\n                      outlist=[[\"plant.y1\"], [\"observer.y1\"], [\"observer.y2\"]],\r\n                      inputs=[\"u1\"],\r\n                      outputs=[\"y1\", \"y2\", \"y3\"],\r\n                      debug=True)\r\n```","author":{"url":"https://github.com/bonidydy","@type":"Person","name":"bonidydy"},"datePublished":"2024-06-29T07:39:06.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/1015/python-control/issues/1015"}