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如何求一个函数的极大值点和对应的横坐标啊!!!!。
findpeaks 函数可以直接返回极大值点的索引的,利用该索引去找出横坐标即可 wn=3.4338;zeta=0.14037;wd=wn*sqrt(1-zeta^2);X=0.4550; t=0:0.01:20; y=X.*exp(-zeta.*w...

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