ABSTRACT
In Chapter 5, we studied linear systems of two equations in two unknowns. A whole chapter for such a humble task seems like a bit of overkill-its main purpose was really to lay the groundwork for
neering-some are as big as 1,000,000 equations in as many unknowns. Such huge systems require more sophisticated treatment than the methods introduced here. They will allow you to solve systems with several thousand equations without a problem. Figure 14.1 illustrates a surface fitting problem that necessitated solving a system with approximately 300 equations.
