Foil 40 The part of Gauss-Jordan addressing first set of rows before row i
From New CPS615 Foils-- 28 August 95 CPS615 Basic Simulation Track for Computational Science -- Fall Semester 95. byNancy McCracken and Geoffrey C. Fox
For all rows j before i'th row:
A similar strategy is used for the rows after row i and between them these two processes complete row transformations for i'th column