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Matlab实验1-1

Matlab实验1-1 编写Script命令文件,画出振荡曲线y=e−b3sin3ty =e ^ {- \frac{b}{3}}sin3ty=e−3b​sin3t及其包络线y0=e−t3y_0=e^{- \frac{t}{3}} y0​=e−3t​,其中t的取值范围是[0,π][0,\pi][0,π]. 123456clc;clear;t=0:pi/50:4*pi;y=exp(-t/3).*sin(3*t);y0=exp(-t/3);plot(t,y,'r',t,y0,':b',t,-y0,':b');

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