nalagr3.m

matlab具有强大的数值计算能力

k=2;n=9;
xxx=linspace(0,1,100);yyy=abs(sin(k*pi.*xxx));
x=linspace(0,1,n);y=abs(sin(k*pi.*x));
plot(xxx,yyy);
hold on;
xx=linspace(0,1,100);
yy=nalagr(x,y,xx);
plot(xx,yy,'r');
hold on