Newton's Divided Difference Formula
math.iitm.ac.in › public_html › sryedidaNEWTON'S DIVIDED DIFFERENCE FORMULA Let us assume that the function f(x)is linear then we have f(xi) - f(xj) (xi- xj) where xiand xjare any two tabular points, is independent of xiand xj. This ratio is called the first divided difference of f(x)relative to xi and xjand is denoted by f That is Since the ratio is independent of xi and