code: def dho(x, amplitude=1.0, center=1.0, sigma=1.0, gamma=1.0):
      """Return a Damped Harmonic Oscillator.
  
      Similar to the version from PAN:
  
      dho(x, amplitude, center, sigma, gamma) =
          amplitude*sigma*pi * (lm - lp) / (1.0 - exp(-x/gamma))
  
      where
          ``lm(x, center, sigma) = 1.0 / ((x-center)**2 + sigma**2)``
          ``lp(x, center, sigma) = 1.0 / ((x+center)**2 + sigma**2)``
  
      """
      factor = amplitude * sigma / pi
      bose = 1.0 - exp(-x / max(tiny, gamma))
      if isinstance(bose, (int, float)):
          bose = not_zero(bose)
      else:
          bose[where(isnan(bose))] = tiny
          bose[where(abs(bose) <= tiny)] = tiny
  
      lm = 1.0 / ((x - center) ** 2 + sigma**2)
      lp = 1.0 / ((x + center) ** 2 + sigma**2)
      return factor * where(
          isclose(x, 0.0),
          4 * gamma * center / (center**2 + sigma**2) ** 2,
          (lm - lp) / bose,
      )
  
imports: from numpy import arctan, copysign, cos, exp, isclose, isnan, log, log1p, maximum, minimum, pi, real, sin, sqrt, where
  from scipy.special import betaln
  from scipy.special import erf, erfc
  from scipy.special import gamma
  from scipy.special import loggamma
  from scipy.special import wofz
label_desc: Use image node_id 13 for calling a global function with example usage: dho(x, amplitude, center, sigma, gamma) and returns: unknown