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- In Python by Yu-Jie Ho, summer 2019.
- In Julia by Ching-Ru Chung, Fall 2019.
- In Matlab by Te-Sheng Lin, 2021.
- Diffusion maps in wiki
- Ann Lee's Matlab code
- L. Zelnik-Manor, P. Perona, Self-Tuning spectral clustering, NIPS, 2004
- S. Lafon, Diffusion Maps and Geometric Harmonics (PhD). Yale University 2004.
- R. R. Coifman, S. Lafon, Diffusion maps, Applied and Computational Harmonic Analysis, 2006
- J. de la Porte, B. M. Herbs, W. Hereman, S. J. van der Walt, An introduction to diffusion maps, Proc. 19th Symp. of the Pattern Recognition Association of South Africa 2008