How to extract the value of the cost functional from the LQR function?

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Mathew 2013-9-11

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回答： Sana Ben Hmouda 2017-8-19

Hi there, i have a state space system and designed a state feedback with an lqr controller by using the lqr function. One of my intentions is to compare the effectiveness of the controler, thus i want to know the value of the cost functional J which has been minimized by the lqr function. Is there any intelligent way to extract this information from lqr?

Thanks a lot! Mathew

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Sana Ben Hmouda 2017-8-19

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Hi Mathew, I wish i could help. I would like you to provide me with an answer to your question once you get it. I'm blocked in the same issue.

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