Documentation - Matlab API - MISC - vl_numder2

D = VL_NUMDER2(FUNC, X) computes the numerical second derivative of the function FUNC at point X.

D = VL_NUMDER2(FUNC, X, ARG1, ARG2, ...) allow to pass extra parameters to the function FUNC.

See also: VL_NUMDER(), VL_HELP().