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Scilab help >> Signal Processing > mfft

# mfft

### 呼び出し手順

`[xk]=mfft(x,flag,dim)`

### パラメータ

x

`x(i,j,k,...)` 行ベクトル形式の入力信号で, その値はiインデックスが最初,次にjインデックスが続く,... といったように並べます.

flag

(-1) FFT または (1) 逆FFT

dim

xk

### 説明

```x=[x(1,1,1),x(2,1,1),x(3,1,1),
x(1,2,1),x(2,2,1),x(3,2,1),
x(1,1,2),x(2,1,2),x(3,1,2),
x(1,2,2),x(2,2,2),x(3,2,2),
x(1,1,3),x(2,1,3),x(3,1,3),
x(1,2,3),x(2,2,3),x(3,2,3)]```

`dim` ベクトルは次のようになります: `dim=[3,2,3]`

C. B.

### Comments

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