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Linear Algebra Matlab Help

  1. Mar 16, 2008 #1
    I have an augmented matrix that I need to solve. I have broken it into a 4x4 matrix and a vector. As seen below.

    A= 0 1 1 1; 3 0 3 -4; 1 1 1 2; 2 3 1 3

    B= 0; 7; 6; 6


    I have already worked the matrix out by hand using Gaussian Elimination and have obtained the solution below

    Solution: 4; -3; 1; 2

    How, do I enter the system into Matlab to get the same answer?
     
  2. jcsd
  3. Mar 16, 2008 #2
    A= [0 1 1 1; 3 0 3 -4; 1 1 1 2; 2 3 1 3]
    B= [0; 7; 6; 6]
    solution=A\B
    or
    solution=inv(A)*B
     
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