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moser90
Group Title
Solve the system of equations using matrices. Use GaussJordan elimination
3x7y7z = 7
6x+4y3z=67
6x3y+z=62
 2 years ago
 2 years ago
moser90 Group Title
Solve the system of equations using matrices. Use GaussJordan elimination 3x7y7z = 7 6x+4y3z=67 6x3y+z=62
 2 years ago
 2 years ago

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across Group TitleBest ResponseYou've already chosen the best response.1
Hint:\[\begin{bmatrix} 3 & 7 & 7\\ 6 & 4 & 3\\ 6 & 3 & 1 \end{bmatrix}\begin{bmatrix} x\\ y\\ z \end{bmatrix}=\begin{bmatrix} 7\\ 67\\ 62 \end{bmatrix}.\]
 2 years ago

moser90 Group TitleBest ResponseYou've already chosen the best response.0
so does x = 7
 2 years ago

nincompoop Group TitleBest ResponseYou've already chosen the best response.2
did you use Michael Jordan Elimination method to arrive at x=7?
 2 years ago

moser90 Group TitleBest ResponseYou've already chosen the best response.0
the book I am using is really confusing it says I have to get 1 on top but I don't know how
 2 years ago

nincompoop Group TitleBest ResponseYou've already chosen the best response.2
http://ceee.rice.edu/Books/CS/chapter2/linear44.html
 2 years ago

moser90 Group TitleBest ResponseYou've already chosen the best response.0
I see how to do it when the number is 0 or 1 but I don't know how to start with the 3
 2 years ago

psi9epsilon Group TitleBest ResponseYou've already chosen the best response.0
@across almost gave you the cramers rule use it to find values of x, y, and z
 2 years ago

nincompoop Group TitleBest ResponseYou've already chosen the best response.2
http://www.karlscalculus.org/cgibin/linear.pl
 2 years ago

moser90 Group TitleBest ResponseYou've already chosen the best response.0
okay I used that but my answers I think are what is confusing me these are my choices a. {(7,1,7)} b. {14,7,7)} c. {(7,7,14)} d. {(7,7,1)}
 2 years ago

across Group TitleBest ResponseYou've already chosen the best response.1
If you have choices, all you have to do is substitute, I mean, slamdunk them and check!
 2 years ago

moser90 Group TitleBest ResponseYou've already chosen the best response.0
I did that and none of them equal up
 2 years ago

moser90 Group TitleBest ResponseYou've already chosen the best response.0
that is the way they are
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
I'm interested in knowing that this Michael Jordan method is
 2 years ago
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