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fft2
2-D Fast Fourier Transform
Syntax
Y = fft2(X)
Description
Computes the two-dimensional discrete Fourier Transform. Useful for image processing and 2-D signal analysis.
Parameters
| Name | Description |
|---|---|
| X | Input 2-D array |
Returns
2-D frequency-domain representation
Examples
Try It
>> fft2(eye(4))