Initial commit

2025-10-10 17:29:33 +08:00
commit 49047b316d
47 changed files with 323 additions and 0 deletions
--- a/c5_5_6.m
+++ b/c5_5_6.m
@@ -0,0 +1,10 @@
+x=(0:pi/100:2*pi)';
+y1=2*exp(-0.5*x)*[1,-1];
+y2=2*exp(-0.5*x).*sin(2*pi*x);
+plot(x,y1,'b:');
+axis([0,2*pi,-2,2]);
+hold on;
+plot(x,y2,'k');
+legend('包络线','包络线','曲线y');
+hold off;
+grid on;