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MATLAB绘图_1绘制衰减震荡曲线
2022-07-16 00:34:00 【上课不要睡觉了】
例1.1 用M文件画出衰减震荡曲线 y = e − 1 3 cos 3 t y = e ^ { - \frac { 1 } { 3 } } \cos 3 t y=e−31cos3t 及它的包络线 y 0 = e − 1 3 { y }_{ 0 } = { e }^{ - \frac{ 1 }{ 3 } } y0=e−31 , t t t的取值范围是 [ 0 , 4 π ] [ 0 , 4 \pi ] [0,4π].

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