fft
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| − | {{DavinciWiki_Function | + | {{DavinciWiki_Function| |
| − | [[ | + | Perform a fast Fourier transform |
| + | | | ||
| + | Arguments: A numeric array | ||
| + | |||
| + | Return Value: A 2xN array containing the real and imaginary components | ||
| + | | | ||
| + | Syntax: fft(VAL) | ||
| + | | | ||
| + | dv> a | ||
| + | 100x100x1 array of float, bsq format [40,000 bytes] | ||
| + | |||
| + | dv> b = fft(a) | ||
| + | 2x10000x1 array of double, bsq format [160,000 bytes] | ||
| + | | | ||
| + | [[Image:fft.png]] | ||
| + | | | ||
| + | | | ||
| + | *[[ifft]] | ||
| + | | | ||
| + | | | ||
| + | }} | ||
[[category:Functions]] | [[category:Functions]] | ||
| + | [[category:Davinci Core]] | ||
[[category:Math]] | [[category:Math]] | ||
Revision as of 14:48, 4 March 2006
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Contents: Description, Arguments, Usage, Examples, Images, Related Functions Supported Under Version: >1.69 Current Davinci Version: 2.27 64-bit Safe: No
Description Perform a fast Fourier transform
Arguments and Return Values Arguments: A numeric array Return Value: A 2xN array containing the real and imaginary components
Usage Syntax: fft(VAL)
Examples dv> a 100x100x1 array of float, bsq format [40,000 bytes] dv> b = fft(a) 2x10000x1 array of double, bsq format [160,000 bytes]
Images
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Recent Core Changes Modified On: 04-06-2006 |
