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anonymous
 one year ago
can anyone help me with this matrix problem?
picture in comment section
or perhaps help me with the steps for the calculator
anonymous
 one year ago
can anyone help me with this matrix problem? picture in comment section or perhaps help me with the steps for the calculator

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i dont understand this AT ALL.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0First put all the answers to the systems into a matrix and then multiply by the inverse of the matrix given to you and multiply it by the answers and it should give what so it would be the answers times the inverse be careful not to do it the other way around because you will get the wrong answer :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0not at all. its complicated to me.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0its fine, ill google it, but i literally had to learn this in an hour. im overwhelmed. thanks though. @Loser66 @artgirl

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0blah... why can I just take those systems of equations, put it augmented matrix, and use row operations to get the RREF ?!

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2first set up the matrix equation dw:1439176350982:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2multiply both sides of the matrix equation by the inverse matrix dw:1439176488240:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2notice how the inverse is on the left side of each multiplication dw:1439176659454:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2by definition, a matrix multiplied with its inverse will result in the identity matrix I dw:1439176690759:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2the identity matrix is basically a fancy form of "1" the identity matrix times any matrix is that same matrix I*X = X so the identity matrix goes away dw:1439176806100:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2do you see how to finish up?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@jim_thompson5910 so just multiply ^

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2yes multiply the inverse with the 3x1 matrix

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2let me know what you get

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok will do. give me a sec.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0{(2,2,3)} @jim_thompson5910

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i actually understood how you did it's simple now. i appreciate your help!

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2you're welcome
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