clarify beta -> wavenumber
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@ -323,7 +323,7 @@ def solve_waveguide_mode_cylindrical(mode_number: int,
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See Numerical Dispersion in Taflove's FDTD book.
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This correction term reduces the error in emitted power, but additional
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error is introduced into the E_err and H_err terms. This effect becomes
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more pronounced as beta increases.
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more pronounced as the wavenumber increases.
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'''
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if wavenumber_correction:
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wavenumber -= 2 * numpy.sin(numpy.real(wavenumber / 2)) - numpy.real(wavenumber)
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