y_z_jie_space.m

来自「一个小小的c语言编程」· M 代码 · 共 6 行

function y_z_jie_space
global X1 X2 X3 b
L2=-(b-1)/2<X1<(b-1)/2;%结点
b1=L2.*X2;b2=L2.*X3;
figure(10),h3=title('结点');
plot(b1,b2,'.')