Logarithm of a matrix (source code)

= Logarithm of a matrix
{wiki=Logarithm_of_a_matrix}

The logarithm of a matrix, often referred to as the matrix logarithm, is a generalization of the logarithm function for matrices. Just as the logarithm of a positive real number \\( x \\) is defined as the inverse of the exponential function (i.e.