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

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

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

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

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

nincompoop Group TitleBest ResponseYou've already chosen the best response.2
http://www.karlscalculus.org/cgibin/linear.pl
 one year 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)}
 one year 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!
 one year ago

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

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

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