MexicanHatWavelet
MexicanHatWavelet[] represents the Mexican hat wavelet of width 1.
MexicanHatWavelet[σ]represents the Mexican hat wavelet of width σ.
Examples
MexicanHatWavelet[]Plot[Evaluate@MexicanHatWavelet[][x], {x, -5, 5}]Please visit the official Wolfram Language Reference for more details.