langfassung/master.pyg


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def rho_new(x, y, z):
  a = (1 - ((1) / (2 * (sigma ** 2))) * ( Mxx * x**2 + 2 * Mxy * x * y + Myy * y**2 ) )
  return rho(x, y, z) * a

# phi function
def phi(x):
  if x == 0:
    return -4 * pi * f_0 * G * R_s**2

  a = - ( 4 * pi * G * f_0 * R_s ** 3 ) / x
  b = np.log(1. + (x / R_s) )
  c = a * b
  return c