l4.m

来自「计算插值与曲线拟合的MATLAB程序」· M 代码 · 共 7 行

clear
format long
x = [0.4, 0.5,  0.6];
y = [-0.916291, -0.693147, -0.510826];
xi = [0.54];
yi = lagrange(x, y, xi)