www.gusucode.com > symbolic 源码程序 matlab案例代码 > symbolic/SpecifyPlottingIntervalAndPlotMultipleImplicitEquationsExample.m
%% Specify Plotting Interval % Plot half of the circle $x^{\strut 2} + y^2 =3$ by using the intervals % $-4 < x < 0$ and $-2 < y < 2$. Specify the plotting interval as the % second argument of |fimplicit|. syms x y circle = x^2 + y^2 == 3; fimplicit(circle, [-4 0 -2 2])