code: def _inv_CH(M, iszerofunc=_iszero):
      """Calculates the inverse using cholesky decomposition.
  
      See Also
      ========
  
      inv
      inverse_ADJ
      inverse_GE
      inverse_LU
      inverse_LDL
      """
  
      _verify_invertible(M, iszerofunc=iszerofunc)
  
      return M.cholesky_solve(M.eye(M.rows))
  
file_path: sympy/sympy/matrices/inverse.py
imports: from sympy.polys.matrices.exceptions import DMNonInvertibleMatrixError
  from sympy.polys.domains import EX
  from .exceptions import MatrixError, NonSquareMatrixError, NonInvertibleMatrixError
  from .utilities import _iszero
label_desc: Use image node_id 9 for calling a global function with example usage: _inv_CH(M, iszerofunc) and returns: M