www.gusucode.com > symbolic 源码程序 matlab案例代码 > symbolic/SurfacePlotOfSymbolicFunctionExample.m
%% 3-D Surface Plot of Symbolic Function % Plot the real part of ${\rm tan}^{-1}(x + iy)$ over the default range $-5<x<5$ and % $-5<y<5$. syms f(x,y) f(x,y) = real(atan(x + i*y)); fsurf(f)