code: def K_diag(self, X):
      return self.variance * tf.reshape(X, (-1,))
  
file_path: GPflow/doc/sphinx/notebooks/tailor/kernel_design.pct.py
imports: import matplotlib.pyplot
  import numpy
  import tensorflow
  import gpflow
  from gpflow.utilities import positive, print_summary
label_desc: Use image node_id 3 for calling the Brownian obj's underlying member method code with example usage: obj.K_diag(X) and returns: unknown