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How do I even do this? Inverse Model Matrix

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YoloSwaggins
YoloSwaggins 2015-9-9
编辑： James Tursa 2015-9-9
So I solved a system of equations which had three different equations and 3 different variables (x,y,z) in MATLAB which was easy. Now the next question is asking me to
"Solve the equation systems of Problem 5 using the inverse matrix model and MATLAB’s inv command."
How do I do that?

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James Tursa
James Tursa 2015-9-9
编辑：James Tursa 2015-9-9
To solve the linear system A*x = b for x with matrix A and column vector b known, using the inv function:
x = inv(A) * b;
I am assuming this will be part of an assignment to compare results for various methods, since backslash is the recommended method for this. E.g.,
x = A \ b;

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