[繪圖] DTFT of x[n]=cos(pi*n/2)
如題
我現在想把x[n]=cos(pi*n/2),0≦n≦10 做DTFT的轉換
plot X(exp^jwt)
原本是用dct這個指令去做
可是後來發現好像不太對
現在不知該如何做,想請問有人能提供點方向嗎
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