% Linear Algebra: Theory and Applications
% Ward Cheney & David Kincaid
% JBPub.com (c) 2008 
% File: exp1111.map
% Example 1.1.11

with(LinearAlgebra):
A := Matrix([3.215793,82.13459],[9.300567,-1.776321]};
b := Vector(5.332873,-12.99334);
x := LinearSolve(A,b); 
r := A.x - b;