18 lines
309 B
Matlab
18 lines
309 B
Matlab
% Algorithm 3: Forward Substitution (Alg. 3.1.1)
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function b = forward_substitution(L, b)
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[n, m] = size(L);
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if n ~= m
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error('Matrix is not squared!')
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end
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if length(b) ~= n
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error('Vector b has wrong length!')
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end
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b(1) = b(1)/L(1,1);
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for i = 2:n
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b(i) = (b(i) - L(i, 1:i-1)*b(1:i-1))/L(i, i);
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end
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