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regularization parameter #11

@jakebobu

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@jakebobu

def tps_warp(X, Y, pts):

Would the maintainers be interested in a branch or pull request adding a regularization parameter to the tps_warp function?

The implementation would add a parameter l or lam (representing lambda) using an implementation similar to what is seen in the math here: https://elonen.iki.fi/code/tpsdemo/. This would include/require differentiation between the U and K matrix. Also, the parameter would be passed through the functions from tps_warp to the relevant function (K_matrix).

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