code: def mylikelihood(params):
      centers = 0.1 * np.arange(params.shape[1]).reshape((1, -1))
      return -0.5 * (((params - centers) / 0.01) ** 2).sum(axis=1)
  
imports: import numpy
  from ultranest import ReactiveNestedSampler
label_desc: Use image node_id 2 for calling a global function with example usage: mylikelihood(params) and returns: unknown