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+Math::MatrixReal - Matrix of Reals
+
+This module includes many important matrix operations and methods:
+matrix norm, matrix transposition, matrix inverse, determinant of a
+matrix, order and numerical condition of a matrix, scalar product of
+vectors, vector product of vectors, vector length, projection of row
+and column vectors, a comfortable way for reading in a matrix from a
+file, the keyboard or your code, and many more.
+
+Systems of linear equations may be solved using an efficient algorithm
+known as "L-R-decomposition" and several approximative (iterative)
+methods. The Householder transformation and QL decomposition for the
+determination of the eigensystem of a real symmetric matrix are also
+implemented.
+
+The module also features an implementation of Kleene's algorithm to
+compute the minimal costs for all paths in a graph with weighted edges
+(the "weights" being the costs associated with each edge).