Search Direction with Scipy.optimize

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Leonardo Galli

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Mar 22, 2021, 5:41:50 AM3/22/21
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Hi Everyone!

I am looking for a simple way to get a few search directions (e.g., LBFGS, Truncated-Newton) from Scipy. I don't need the full method, just a single search direction. I was thinking about calling directly scipy.optimize.minimize with the parameter maxiter=1 and obtain the direction by difference with the actual point, but I guess I will obtain a direction scaled by the step size in that case, right?

Thanks in advance for the help!
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