# x55_02.txt # # Reference: # # Helmut Spaeth, # Mathematical Algorithms for Linear Regression, # Academic Press, 1991, page 323, # ISBN 0-12-656460-4. # # Discussion: # # Linear system C * X = D to be satisfied exactly. # 9 columns 0 rows Index C1 C2 C3 C4 C5 C6 C7 D