[Rails] Re: Function cost minimization

Rodrigo Ruiz wrote in post #1040810:
> The problem is that the function I'm trying to minimize is a lot more
> complicated (so is its derivative), so I wanted a function that could do
> the minimization for me rather than implementing one myself

I thought it might be something like that. Sorry I don't know of
anything like that either. Is this something that can be solved with
matrix math? I noticed mention of that in what I was reading. I've used
libraries in the past to solve some differential equations, but I had
the advantage of having the matrix equation given to me by the company
that created the device where it was needed.

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