Gradient method on matlab for estimating a,b?

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Verisign 2015-11-30

评论： Star Strider 2015-11-30

I have x\dot=-ax+b*cost

and i want to estimate a,b with gradient method how can i do that please help me!!

Image Analyst 2015-11-30

Perhaps it was supposed to be an overdot https://en.wikipedia.org/wiki/Dot_%28diacritic%29 which is supposed to put a small dot above the x, which typically means a time derivative.

Star Strider 2015-11-30

I didn’t consider that it could be an overdot.

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