dask / dask/dask-image

Support positive semi-definite n in fourier_*

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Dominant language
Python
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Description

_From @jakirkham on May 9, 2017 3:13_

Currently `fourier_*` functions only accept `-1` for the `n` argument. Though in SciPy's implementations, it is possible to use positive semi-definite values for `n`. As this wasn't really a priority for the initial implementations, this was merely marked as unsupported. Though it would be nice to be able to provide equivalent support to the SciPy implementation of these functions w.r.t. other values for `n`.

_Copied from original issue: dask-image/dask-ndfourier#5_

Contributor guide

Open the contributing guide

Research direction

Locate the `fourier_*` functions in the Python package and inspect how they currently handle the `n` argument. Compare their behavior with SciPy's Fourier implementations, then verify that positive semi-definite `n` values work equivalently while retaining support for `-1`.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
computer-vision
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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