dct1d.m	Computes the discrete cosine transform.
fixed_point.m	Fixed point method to determine the optimal bandwidth in kde.m.
idct1d.m	Computes the inverse discrete cosine transform.
kde.m	Improved and fast kernel density estimator. Uses dct1d.m, fixed_point.m, and idct1d.m.
LSCV.m	Kernel density estimation via least squares cross-validation. Uses dct1d.m and idct1d.m.

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