 Summary of important user-visible changes for optics 0.1.4 (2019/09/12):
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 ** Two new zernike functions
    zernike_osa_ansi_to_mn
    zernikes_and_derivatives_cartesian_OSA

 Summary of important user-visible changes for optics 0.1.3 (2015/05/06):
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 ** A group of functions to deal with Zernike polynomials have been implemented.
    These are a sequence of polynomials orthogonal on the unit disk. They
    are used, for example, to characterize distortions in optical systems.

    zernike_cartesian
    zernike_name
    zernike_noll_to_mn
    zernike_polar
    zernike_R_poly
  
 ** Initial abcd matrix raytracing.
    https://en.wikipedia.org/wiki/Ray_transfer_matrix_analysis

    @abcd/abcd
    @abcd/trace
    

 Summary of important user-visible changes for optics 0.1.1 (2014/12/02):
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 ** Fix permissions of package

 Summary of important changes for optics 0.1.0 (2014/06/09):
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 ** Initial release.

