作业求助

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qianxy
qianxy on 26 Mar 2023
Answered: 埃博拉酱 on 7 Nov 2024
[x,n]=2*impseq(4,0,20)+10*exp(-0.3(n-10)).*[stepseq(10,0,20)-stepseq(20,0,20)]
求助exp的范围也是0-20，和stepseq相乘不了

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Answers (1)

埃博拉酱
埃博拉酱 on 7 Nov 2024
乘法要用乘号.*，不能像在数学表达式那样中省略乘号

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