num_dual.third_partial_derivative_vec

num_dual.third_partial_derivative_vec(f, x, i, j, k)

Calculate the third partial derivative of a scalar function with arbitrary many variables.

Parameters

fcallable

A scalar, bivariate function.

x[float]

The list of variables.

iinteger

The index of the first partial derivative.

jinteger

The index of the second partial derivative.

kinteger

The index of the third partial derivative.

Returns

function value first partial derivative w.r.t. variable i first parital derivative w.r.t. variable j first parital derivative w.r.t. variable k second partial derivative w.r.t. variables i and j second partial derivative w.r.t. variables i and k second partial derivative w.r.t. variables j and k third partial derivative