code: def cp_intersection_strength(
      n_unique_g_ids_s, n_unique_g_ids_t, intsec_card
  ):
      min_card = np.array(
          np.vstack((n_unique_g_ids_s, n_unique_g_ids_t)).min(axis=0),
          dtype=np.float64,
      )
      intsec_strength = intsec_card / min_card
      return intsec_strength
  
file_path: deepgraph/doc/source/tutorials/precipitation.py
imports: import os
  import xarray
  import matplotlib.pyplot
  import numpy
  import pandas
  import deepgraph
  from mpl_toolkits.basemap import Basemap
  from scipy.cluster.hierarchy import linkage, fcluster
label_desc: Use image node_id 7 for calling a global function with example usage: cp_intersection_strength(n_unique_g_ids_s, n_unique_g_ids_t, intsec_card) and returns: intsec_strength