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LINEAR SYSTEMS Consider the following example of a linear system
 

Summary: LINEAR SYSTEMS
Consider the following example of a linear system:
x1 + 2x2 + 3x3 = -5
-x1 + x3 = -3
3x1 + x2 + 3x3 = -3
Its unique solution is
x1 = 1, x2 = 0, x3 = -2
In general we want to solve n equations in n un-
knowns. For this, we need some simplifying nota-
tion. In particular we introduce arrays. We can think
of these as means for storing information about the
linear system in a computer. In the above case, we
introduce
A =



1 2 3
-1 0 1
3 1 3

  

Source: Atkinson, Kendall - Departments of Computer Science & Mathematics, University of Iowa
Oard, Doug - Institute for Advanced Computer Studies & College of Information Studies, University of Maryland at College Park

 

Collections: Computer Technologies and Information Sciences