# x61_02.txt # # Reference: # # I Barrodale and F Roberts, # Algorithm 552: # Solution of the Constrained L1 Approximation Problem, # ACM Transactions on Mathematical Software, # Volume 6, Number 2, pages 231-235, 1980. # # Discussion: # # Linear system C * X = D to be satisfied exactly. # 7 columns 3 rows Index C1 C2 C3 C4 C5 D 1 0 4 5 9 -1 5 2 3 2 7 12 -2 1 3 3 6 12 21 -3 6