www.gusucode.com > symbolic 源码程序 matlab案例代码 > symbolic/EzcontourPlotTheContourLinesOfASymbolicExpressionExample.m
%% Plot the Contour Lines of a Symbolic Expression %% 1 % Copyright 2015 The MathWorks, Inc. syms x y f = 3*(1-x)^2*exp(-(x^2)-(y+1)^2)... - 10*(x/5 - x^3 - y^5)*exp(-x^2-y^2)... - 1/3*exp(-(x+1)^2 - y^2); %% 2 ezcontour(f,[-3,3],49)