class_docstr: Class for the vector space of symmetric matrices of size n.
  
  Parameters
  ----------
  n : int
      Integer representing the shapes of the matrices: n x n.
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docstr: Make a matrix symmetric, by averaging with its transpose.
  
  Parameters
  ----------
  point : array-like, shape=[..., n, n]
      Matrix.
  
  Returns
  -------
  sym : array-like, shape=[..., n, n]
      Symmetric matrix.
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code: def projection(self, point):
      """Make a matrix symmetric, by averaging with its transpose.
  
      Parameters
      ----------
      point : array-like, shape=[..., n, n]
          Matrix.
  
      Returns
      -------
      sym : array-like, shape=[..., n, n]
          Symmetric matrix.
      """
      return Matrices.to_symmetric(point)
  
file_path: geomstats/geomstats/geometry/symmetric_matrices.py
imports: import geomstats.backend
  from geomstats.geometry.base import MatrixVectorSpace
  from geomstats.geometry.matrices import Matrices, MatricesMetric
label_desc: Use image node_id 5 for calling the SymmetricMatrices obj's underlying member method code with example usage: obj.projection(point) and returns: Matrices