'Apply simplify to each element of the matrix.
Examples
>>> from sympy.abc import x, y
>>> from sympy import sin, cos
>>> from sympy.matrices import SparseMatrix
>>> SparseMatrix(1, 1, [x*sin(y)**2 + x*cos(y)**2])
Matrix([[x*sin(y)**2 + x*cos(y)**2]])
>>> _.simplify()
Matrix([[x]])'

def simplify(self, ratio=1.7, measure=count_ops):

    return self.applyfunc((lambda x: x.simplify(ratio, measure)))
