6125e2aae892d605b6bb27c311a11c83df5365c2,pyriemann/utils/base.py,,expm,#,47

Before Change

    :returns: the matrix exponential

    
    D, V = scipy.linalg.eigh(Ci)
    D = numpy.diag(numpy.exp(D))
    Out = numpy.dot(numpy.dot(V, D), V.T)
    return Out


def invsqrtm(Ci):
    Return the inverse matrix square root of a covariance matrix defined by :

After Change

    :returns: the matrix exponential

    
    return _matrix_operator(Ci, numpy.exp)


def invsqrtm(Ci):
    Return the inverse matrix square root of a covariance matrix defined by :

Instances