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iveney/linear_system.matlab

Last active August 29, 2015 14:01
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Solutions to under-constrained linear system
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linear_system.matlab
>> rng(0)
>> A=randi(10, 2, 5); b=randi(100, 2, 1);
% A = b =
% 9 7 8 7 8 28
% 10 8 4 2 1 5
>> x1=A\b; x2=pinv(A)*b
% x1 = x2 =
% 0 1.5675
% 10.2500 6.1976
% 0 -3.8780
% 0 2.5279
% -0.4500 0.9060
>> b1=A*x1; b2=A*x2;
% b1 = b2 =
% 16.0000 16.0000
% 98.0000 98.0000
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