N-dimensional Fourier interpolation

Version 1.5.0.0 (2.35 KB) by Matthias Schabel
Performs N-D FFT interpolation with upsampling, downsampling, or mixed up- and downsampling
4.0
(3)
2.9K Downloads
Updated 15 Dec 2010

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Performs N-D FFT interpolation on any data for which fftn works. Will upsample by zero-filling, downsample by truncating high frequencies, or combine both up- and downsampling by dimension to allow arbitrary reshaping.

Cite As

Matthias Schabel (2026). N-dimensional Fourier interpolation (https://www.mathworks.com/matlabcentral/fileexchange/22665-n-dimensional-fourier-interpolation), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.5.0.0

Bug fixes and improved efficiency
1.4.0.0

Fixed bug that caused problems with odd dimensions and simplified code
1.3.0.0

fixed so it works correctly with odd sizes and mixed sizes, substantially simplified code

1.0.0.0