code: def _epd_residual2(coeffs,
                     times, mags, errs,
                     fsv, fdv, fkv, xcc, ycc, bgv, bge, iha, izd):
      '''This is the residual function to minimize using
      scipy.optimize.least_squares.
  
      This variant is for :py:func:`.epd_magseries_extparams`.
  
      '''
  
      f = _epd_function(coeffs, fsv, fdv, fkv, xcc, ycc, bgv, bge, iha, izd)
      residual = mags - f
      return residuaf _epd_residual2(coeffs,
                     times, mags, errs,
                     fsv, fdv, fkv, xcc, ycc, bgv, bge, iha, izd):
      '''This is the residual function to minimize using
      scipy.optimize.least_squares.
  
      This variant is for :py:func:`.epd_magseries_extparams`.
  
      '''
  
      f = _epd_function(coeffs, fsv, fdv, fkv, xcc, ycc, bgv, bge, iha, izd)
      residual = mags - f
      return residual
docs: This is the residual function to minimize using
      scipy.optimize.least_squares.
  
      This variant is for :py:func:`.epd_magseries_extparams`.