14. objective function, gradient and optimizer
M8l2 17 Objective Function Gradient V1
Optimization Overview in Scipy
This Scipy link “Mathematical optimization” is a good reference on the various optimizers that are available in scipy. In addition to the L-BFGS method, other optimizers worth trying are Powell, Nelder-Mead, and Conjugate Gradient optimizers.
This
course website
also contains insightful explanation of various optimization algorithms.