Introduction to numericalanalysis, 3rd edition, Springer, New York, 2002. ISBN 978-0-387-95452-3. Lloyd N. Trefethen and David Bau, III, Numerical Linear Algebra
Rinehart and Winston. 1982. ISBN 0-03-041760-0. Barlow, Jesse L. Chapter 9: Numerical aspects of Solving Linear Least Squares Problems. Rao, C.R. (编). Computational