# Fdweights.m

From Spinach Documentation Wiki

Calculates finite difference weights for numerical derivatives (including order 0, which amounts to interpolation). Syntax:

w=fdweights(target_point,grid_points,max_order)

Parameters:

target_point - the point at which the derivative is required

grid_points - the points at which the function is given

max_order - maximum derivative order

The function returns finite difference coefficient array with the coefficients for the successive derivatives in rows.