Basic HTML version of Foils prepared 6 December 96
Foil 13 Sub-block definition of Matrix Multiply
From Full Matrices - December 4, 1995 CPS615 Basic Simulation Track for Computational Science -- Fall Semester 95. byGeoffrey C. Fox, Nancy J. McCracken
Let be the sub-block at position (l,k), then the problem can be stated in block matrix form:
Example of sub-block structure of matrix A where N = 16 ( = 4):
