René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Problem with DT State-Space Response","articleBody":"Hi all,\r\n\r\nFirst, congratulations for the wonderful work you've done by maintaining and creating the library!\r\n\r\nI have found some issues working with DTLTI systems. More specifically, I am trying to simulate the step response of a DT system directly from its state-space representation. This realization is computed directly in the DT domain, without a sampling process. As you can see in the image below, there is a problem since the step response is blowing up. My intuition is that there is a bug since the DT system is being treated as if it were CT, but it is DT. \r\n\r\n![Screen Shot 2020-06-12 at 3 38 30 PM](https://user-images.githubusercontent.com/52328859/84540231-e7c06500-acc2-11ea-92b1-ca02c3e2a693.png)\r\n\r\nExactly the same happens when the `dt` parameter is set to `None`. When I try to evaluate whether the SS representation is DT or CT, I get that it's being taken as both.\r\n\r\n![image](https://user-images.githubusercontent.com/52328859/84540374-2f46f100-acc3-11ea-8c48-4b0719ed11b7.png)\r\n\r\nI would appreciate any guidelines on how to fix this. I can do it myself and pull it :)\r\n\r\nKind regards,\r\n\r\nSergio Dorado-Rojas","author":{"url":"https://github.com/sergio-dorado","@type":"Person","name":"sergio-dorado"},"datePublished":"2020-06-12T19:48:47.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/419/python-control/issues/419"}