message: Fix the mathjax in linalg expm
diff: @@ -234,7 +234,7 @@ def _matrix_exp_pade13(matrix):
  def matrix_exponential(input, name=None): # pylint: disable=redefined-builtin
  r"""Computes the matrix exponential of one or more square matrices.
  - exp(A) = \sum_{n=0}^\infty A^n/n!
  + $$exp(A) = \sum_{n=0}^\infty A^n/n!$$
  The exponential is computed using a combination of the scaling and squaring
  method and the Pade approximation. Details can be found in:
  