Applies the Whittaker smoother using penalized least squares to reduce noise.
signal-processingmatlabsmoothingregularizationpreprocessingsparse-matrixspectroscopynoise-reductionchemometricsdenoisingdata-smoothingbaseline-estimationpenalized-least-squareswhittaker-smoothereilersspectral-smoothingdifference-penaltyband-matrixlambda-parametersecond-order-penalty
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Updated
Aug 7, 2026 - MATLAB