Question

分别用plot,fplot,ezplot函数绘制下面函数的图形y(x)=x²sin(x²-x-2),

Answer 1

x=-2:0.01:2;

y=x.^2.*sin(x.^2-x-2);

plot(x,y);

figure(2);

fplot(@(x)[x^2*sin(x^2-x-2)],[-2 2]);

figure(3);

ezplot(@(x)[x.^2.*sin(x.^2-x-2)],[-2,2]);