Toolbox-for-adaptive-fourier-decomposition

**Full Changelog**: https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/compare/v2.1.1...v2.1.2

What's Changed
* Docs by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/2
* v2.1 MAFD by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/3
* Merge master by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/4
* Python v1.1 by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/5
* Update UserAPI.rst by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/6
* Python v2.0 by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/7
* Python v1.1 add POAFD by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/9
* Update examples' results and Docs by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/10
* Python v2.0 by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/11
* Python v2.0 by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/14
* Add multi-channel core AFD by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/15
* Update docs by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/16
* Update Docs by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/17
* Fix errors in demo codes by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/18
* Update Doc by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/19
* Python v2.1: Add functions using predefined an array by pikipity in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/20

New Contributors
* pikipity made their first contribution in https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/pull/2

**Full Changelog**: https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition/commits/v2.1.1

**Full Changelog**: https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition-MATLAB/compare/v2.0...v2.1

**Full Changelog**: https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition-MATLAB/compare/v1.0...v2.0

**Full Changelog**: https://github.com/pikipity/Toolbox-for-Adaptive-Fourier-Decomposition-MATLAB/commits/v1.0