T2 - ERG 2018 Tutorial 2 EX 1 Solve the system of linear...

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ERG 2018 Tutorial 2 September 16, 2008 EX 1 Solve the system of linear equations x 1 + 2 x 2 + 4 x 3 = 5 x 2 + 2 x 3 = 2 3 x 1 + x 2 + x 3 = 4 Analysis : Using matrix notation. Let A = 1 2 4 0 1 2 3 1 1 x = x 1 x 2 x 3 b = 5 2 4 1. Inverse Matrix x = A - 1 * b 2. Cramer’s rule x i = det ( A i ) det ( A ) i = 1 , 2 , 3 3. Gauss elimination (using lower triangular matrix form) EX 2
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This note was uploaded on 11/13/2010 for the course SEEM SEEM2018 taught by Professor Chan during the Spring '10 term at CUHK.

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