#  x58_01.txt
#
#  Reference:
#
#    Helmut Spaeth,
#    Mathematical Algorithms for Linear Regression,
#    Academic Press, 1991, page 324,
#    ISBN 0-12-656460-4.
#
#  Discussion:
#
#    Linear system A * X = B whose residual norm is to be minimized
#
5 columns
3 rows
Index
A1
A2
A3
B
1  1  2 -1  2
2  1  3 -2  2
3  1  4 -3 -1