A matrix multiplied with its inverse gives the identity matrix. This function finds the inverse of a 2x2 and 3x3 matrix. If the determinant of a matrix is 0, its inverse does not exist.
Parallel Inversion of Matrices with Simultaneously Diagonalizable Blocks, by D. Lazaridis, K.A.Draziotis and N.L. Tsitsas. The accompanying code has been designed to facilitate experimental ...