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This tag is intended for questions on methods for the (constrained or unconstrained) minimization or maximization of functions.

4 votes

scipy.optimize.fmin_bfgs: "Desired error not necessarily achieved due to precision loss"

I encountered the same issue where, during the iteration, it stopped at 1 and the optimal value found stayed at the initial value. I delved into the source code of SciPy and discovered that an except …
yang piao's user avatar