class_docstr: Class which encapsulates common functionality between all multivariate
  distributions.
docstr: Get or set the RandomState object for generating random variates.
  
  This can be either None, int, a RandomState instance, or a
  np.random.Generator instance.
  
  If None (or np.random), use the RandomState singleton used by
  np.random.
  If already a RandomState or Generator instance, use it.
  If an int, use a new RandomState instance seeded with seed.
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code: def random_state(self):
      """Get or set the RandomState object for generating random variates.
  
      This can be either None, int, a RandomState instance, or a
      np.random.Generator instance.
  
      If None (or np.random), use the RandomState singleton used by
      np.random.
      If already a RandomState or Generator instance, use it.
      If an int, use a new RandomState instance seeded with seed.
  
      """
      return self._random_state
  
imports: import numpy
  import scipy.linalg
  from scipy._lib import doccer
  from scipy.special import gammaln
  from scipy._lib._util import check_random_state
  from scipy.stats import mvn
label_desc: Use image node_id 2 for calling the multi_rv_generic obj's underlying member method code with example usage: obj.random_state() and returns: self