# x43_02.txt # # Reference: # # Helmut Spaeth, # Mathematical Algorithms for Linear Regression, # Academic Press, 1991, page 190, # ISBN 0-12-656460-4. # # Discussion: # # Subsystem (b) of the linear system A * X = B. # 4 columns 5 rows Index A1 A2 B 5 2 1 5 6 4 1 4 7 7 1 5 8 8 1 8 9 10 1 7