code: def fcn2min(params, x, data):
      """Model a decaying sine wave and subtract data."""
      v = params.valuesdict()
  
      model = (
          v["amp"]
          * np.sin(x * v["omega"] + v["shift"])
          * np.exp(-x * x * v["decay"])
      )
      return model - data
  
label_desc: Use image node_id 1 for calling a global function with example usage: fcn2min(params, x, data) and returns: unknown