x1 − x2 + 4x3 = 40
x1 + 3x2 = −8
−6x2 + 5x3 = 64
Mathematics, 29.10.2019 11:31 ik457
Consider the following.
x1 − x2 + 4x3 = 40
x1 + 3x2 = −8
−6x2 + 5x3 = 64
(a) write the system of linear equations as a matrix equation,
ax = b.
x1
x2
x3
=
(b) use gauss-jordan elimination on
[a b]
to solve for the matrix x.
x =
x1
x2
x3
=
Answers: 3
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You know the right answer?
Consider the following.
x1 − x2 + 4x3 = 40
x1 + 3x2 = −8
−6x2 + 5x3 = 64
x1 − x2 + 4x3 = 40
x1 + 3x2 = −8
−6x2 + 5x3 = 64
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