zlp1.asv

为配套王能超版本数值分析简明教程编写,方便学生教师演示!

x1=linspace(-5,5,4);y=1./(1+x.^2);
plot(x,y)
hold on
xx=linspace(-5,5);
yy=lagrange(x,y,xx)
plot(xx,yy)
hold on
xx1=linspace(-5,5);
yy=lagrange(x,y,xx)
plot(xx,yy)