http://www.amazon.com/Applied-Numerical-Linear-Algebra-Demmel/dp/0898713897/ http://www.amazon.com/Applied-Numerical-Linear-Algebra-Demme... Numerical linear a

http://www.amazon.com/Applied-Numerical-Linear-Algebra-Demmel/dp/0898713897/ http://www.amazon.com/Applied-Numerical-Linear-Algebra-Demme... Numerical linear algebra has a long and vast history. You really do need specialized information that your undergrad linear algebra classes would not have imparted. For instance, the condition number is important: https://en.wikipedia.org/wiki/Condition_number https://en.wikipedia.org/wiki/Condition_number