www.gusucode.com > symbolic 源码程序 matlab案例代码 > symbolic/GettingStartedSurfacePlotExample.m

    %% Create Surface Plot
% Create a 3-D surface by using |fsurf|.
% 
% Plot the paraboloid $z = x^2 + y^2$.

syms x y
fsurf(x^2 + y^2)