ward</a>
  Compute forward Wigner transform

  <a href="https://github.com/astro-informatics/so3/tree/main/src/matlab/so3_forward_direct.m">so3_forward_direct</a>
  Compute forward Wigner transform using direct method

  <a href="https://github.com/astro-informatics/so3/tree/main/src/matlab/so3_ind2elmn.m">so3_ind2elmn</a>
  Convert vector index to harmonic indices

  <a href="https://github.com/astro-informatics/so3/tree/main/src/matlab/so3_inverse.m">so3_inverse</a>
  Compute inverse Wigner transform

  <