用Matlab怎么画给定函数的图像呢?答:syms x x0 k=4.6651-0.5074*x.^4+8.1055*x.^3-40.6303*x.^2+90.2343*x subplot(m,n,i)生成m×n个子图窗口,i是每个窗口的index subplot(3,2,1);%1 ezplot(k);hold on x0=ceil(9*rand)k0=str2num(subs(k,x,x0))plot(double(x0),subs(k,x,x0),'ro');hold off su...
用Matlab怎么画给定函数的图像呢?答:syms x x0 k=4.6651-0.5074*x.^4+8.1055*x.^3-40.6303*x.^2+90.2343*x subplot(m,n,i)生成m×n个子图窗口,i是每个窗口的index subplot(3,2,1);%1 ezplot(k);hold on x0=ceil(9*rand)k0=str2num(subs(k,x,x0))plot(double(x0),subs(k,x,x0),'ro');hold off su...