Wavelet function psi of a wavelet family evaluated at a point
WaveletPsi[wave, x]
WaveletPsi[wave]
WaveletPsi[MexicanHatWavelet[1], x]
→ (2*E^(-1/2*x^2)*(1 - x^2))/(Sqrt[3]*Pi^(1/4))WaveletPsi[HaarWavelet[], x, WorkingPrecision -> ∞]
→ Piecewise[{{1, Inequality[0, LessEqual, x, Less, 1/2]}, {-1, Inequality[1/2, LessEqual, x, Less, 1]}}, 0]Plot[WaveletPsi[HaarWavelet[], x], {x, -1, 2}, Exclusions -> None]
→ -Graphics-- MaxRecursion — default 8
- WorkingPrecision — default MachinePrecision