whenxuan: create the notebook for svmd

Author: wwhenxuan

README.md

@@ -120,7 +120,7 @@ plot_IMFs_amplitude_spectra(IMFs, smooth="exp")   # use exp smooth
 | [`CVMD2D`](https://github.com/wwhenxuan/PySDKit/blob/main/pysdkit/_vmd2d/cvmd2d.py) (Two-Dimensional Compact Variational Mode Decomposition)  | [[paper]](https://link.springer.com/article/10.1007/s10851-017-0710-z) | [[code]](https://ww2.mathworks.cn/matlabcentral/fileexchange/67285-two-dimensional-compact-variational-mode-decomposition-2d-tv-vmd?s_tid=FX_rc2_behav) |    ✔️    |
 | [`VME`](https://github.com/wwhenxuan/PySDKit/blob/main/pysdkit/_vmd/vme.py) (Variational Mode Extraction) | [[paper]](https://ieeexplore.ieee.org/document/7997854) | [[code]](https://www.mathworks.com/matlabcentral/fileexchange/76003-variational-mode-extraction-vme-m?s_tid=srchtitle) |    ✔️    |
 | [`OVMD`](https://github.com/wwhenxuan/PySDKit/blob/main/pysdkit/_vmd/ovmd.py) (Orthogonalized Variational Mode Decomposition) | [[paper]](https://doi.org/10.1016/j.sigpro.2025.110251) | [[code]](https://github.com/wwhenxuan/PySDKit/blob/main/pysdkit/_vmd/ovmd.py) |    ✔️    |
-|           [`SVMD`](https://github.com/wwhenxuan/PySDKit/blob/main/pysdkit/_vmd/svmd.py) (Successive Variational Mode Decomposition)           | [[paper]](https://www.sciencedirect.com/science/article/pii/S0165168420301535) | [[code]](https://www.mathworks.com/matlabcentral/fileexchange/98649-successive-variational-mode-decomposition-svmd-m?s_tid=FX_rc3_behav) |    ✖️    |
+|           [`SVMD`](https://github.com/wwhenxuan/PySDKit/blob/main/pysdkit/_vmd/svmd.py) (Successive Variational Mode Decomposition)           | [[paper]](https://www.sciencedirect.com/science/article/pii/S0165168420301535) | [[code]](https://www.mathworks.com/matlabcentral/fileexchange/98649-successive-variational-mode-decomposition-svmd-m?s_tid=FX_rc3_behav) |    ✔️    |
 |      [`VNCMD`](https://github.com/wwhenxuan/PySDKit/blob/main/pysdkit/_vncmd/vncmd.py) (Variational Nonlinear Chirp Mode Decomposition)       |   [[paper]](https://ieeexplore.ieee.org/document/7990179)    | [[code]](https://www.mathworks.com/matlabcentral/fileexchange/64292-variational-nonlinear-chirp-mode-decomposition) |    ✔️    |
 |       [`INCMD`](https://github.com/wwhenxuan/PySDKit/blob/main/pysdkit/_vncmd/incmd.py) (Iterative Nonlinear Chirp Mode Decomposition)        | [[paper]](https://www.sciencedirect.com/science/article/pii/S0022460X2030403X?via%3Dihub) |      [[code]](https://github.com/sheadan/IterativeNCMD)      |    ✔️    |
 |      [`MNCMD`](https://github.com/wwhenxuan/PySDKit/blob/main/pysdkit/_vncmd/mncmd.py) (Multivariate Nonlinear Chirp Mode Decomposition)      | [[paper]](https://www.sciencedirect.com/science/article/abs/pii/S0165168420302103) |                          [[code]]()                          |    ✖️    |