Problem 42988. Linear system of equations

Solution 1050101

Submitted on 10 Nov 2016 by SirSteve26

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Test	Status	Code Input and Output
1	Pass	A=[1 1 1;2 4 8;3 9 27]; b=[1;2;3]; y_correct = [1;0;0]; tol = 1e-14; assert(norm(lin_eqns(A,b)-y_correct) < tol)
2	Pass	A=[2 1 -2;1 -1 -1;1 1 3]; b=[3;0;12]; y_correct = [3.5;1;2.5]; tol = 1e-14; assert(norm(lin_eqns(A,b)-y_correct) < tol)
3	Pass	A=[1 0 0;0 1 0;0 0 1]; b=[1e6;1e7;1e8]; y_correct = [1e6;1e7;1e8]; tol = 1e-9; assert(norm(lin_eqns(A,b)-y_correct) < tol)
4	Pass	A=[1 0 1;0 -3 1;2 1 3]; b=[6;7;15]; y_correct = [2;-1;4]; tol = 1e-14; assert(norm(lin_eqns(A,b)-y_correct) < tol)