Issues

• threshold_firm returns NaN at the threshold when value_low == value_high

  PyWavelets/pywt#880 · Filter by author whyvineet opened on Sep 22, 2026

• Expose the refinement matrix M, and with it exact integer-grid phi and phi'

  PyWavelets/pywt#879 · Filter by author pavelkomarov opened on Sep 18, 2026

• Strange behavior of dwt_coeff_len and dwt_max_level.

  PyWavelets/pywt#877 · Filter by author tianrluo opened on Sep 16, 2026
  1

• Exploring whether a Rust/SIMD backend could be useful to PyWavelets

  enhancement
  PyWavelets/pywt#865 · Filter by author AlephNotation opened on Aug 27, 2026
  9

• Pyodide build failures in CI

  CI
  PyWavelets/pywt#852 · Filter by author rgommers opened on Jul 17, 2026
  1

  

• Add type stubs for Cython classes in pywt._extensions

  enhancement
  PyWavelets/pywt#846 · Filter by author NiklasMueller2001 opened on Apr 9, 2026
  9

• New resources and books for learning PyWavelets

  PyWavelets/pywt#843 · Filter by author shoukewei opened on Mar 17, 2026

• pybytes.com down

  task
  PyWavelets/pywt#820 · Filter by author nukolas opened on Aug 27, 2025
  1

• Derive the central frequency and bandwidth of a CWT based on the amplitude spectrum of a signal

  PyWavelets/pywt#797 · Filter by author ivan-marroquin opened on Apr 2, 2025
  1

• Alignment of Filters in dwt and wavedec

  question
  PyWavelets/pywt#795 · Filter by author tycohen opened on Mar 14, 2025
  1

• Making wavelet bounds more conspicuous

  PyWavelets/pywt#792 · Filter by author spluque opened on Feb 15, 2025

• Request: scale weighted wavelets for cwt

  enhancementquestion
  PyWavelets/pywt#783 · Filter by author tjmier opened on Dec 4, 2024
  1

• Switch to GitHub Pages for hosting the documentation

  documentationtask
  PyWavelets/pywt#777 · Filter by author agriyakhetarpal opened on Nov 19, 2024
  10

• Question about CWT

  question
  PyWavelets/pywt#773 · Filter by author igtrnt opened on Oct 30, 2024

• Non-decimated wavelet packet transform

  question
  PyWavelets/pywt#768 · Filter by author M3rano opened on Sep 3, 2024

• pywt.swt yields unexpected results

  bugquestion
  PyWavelets/pywt#767 · Filter by author M3rano opened on Sep 2, 2024
  1

• Lower Power Spectral Density from pywt.cwt Compared to scipy.signal.welch

  question
  PyWavelets/pywt#760 · Filter by author NyankoSong opened on Jul 8, 2024

• Why does the DWT give values that should be 0 but are in fact around 1e-16?

  question
  PyWavelets/pywt#755 · Filter by author olliemnicholls opened on Jun 25, 2024
  2

• Algorithm for inverse continuous wavelet transform

  question
  PyWavelets/pywt#751 · Filter by author Yecaergi opened on Jun 12, 2024
  2

• Why are wavelet daubechies not supported in the CWT algorithm?

  enhancementquestion
  PyWavelets/pywt#750 · Filter by author Yecaergi opened on Jun 11, 2024
  1

• Plotting inconsistencies with CWT function

  question
  PyWavelets/pywt#749 · Filter by author sohamdorle opened on Jun 7, 2024

• All the images illustrating wavelet families are broken on wavelets.pybytes.com

  question
  PyWavelets/pywt#746 · Filter by author matthewgiarra opened on Jun 2, 2024
  2

• Correct factors for complex Morlet wavelet

  question
  PyWavelets/pywt#740 · Filter by author itamwa opened on May 9, 2024
  1

• Hello，I have a question about the length of the image.

  question
  PyWavelets/pywt#736 · Filter by author Fortuneteller6 opened on Apr 23, 2024

• Inconsistent size returned from waverec2

  question
  PyWavelets/pywt#725 · Filter by author landmanbester opened on Mar 14, 2024