Cramer’s Rule
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Engineering Maths B, Matrices, Simultaneous equations
July 30th, 2008 by admin
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Given a system of simultaneous equations in matrix form
Where is an invertable n x n square matrix,
is a variables column matrix containing
and
is a constants matrix containing
.
Then can be found with Cramer’s rule,
Cramer's rule
Where is formed by replacing the ith column of
with
.