Question

Linear algebra,

So I have to find the "row echelon form" of this matrix:

https://www.dropbox.com/s/tv1nag8qjgasf5a/2013-11-16%2003.22.03.jpg


I know what is a row echelon form matrix looks like and what it satisfies, what I don't know is how to bring something completely random matrix into row echelon form ?

Answer 1

@agent0smith

Answer 2

@amistre64

Answer 3

@ash2326

Answer 4

@DemolisionWolf

Answer 5

@ganeshie8

Answer 6

@hartnn

Answer 7

@Hero

Answer 8

@jdoe0001

Answer 9

@robtobey

Answer 10

@skullpatrol

Answer 11

@timo86m

Answer 12

@zepdrix

Answer 13

Do you know what a Gaussian elimination is?

Answer 14

No can you please tell me ?

Answer 15

Gaussian elimination is an algorithm, or a sequence of steps, used to solve systems of linear equations. It consists of three elementary row operations:
#1.) Swap the positions of two rows.
#2.) Multiply a row by a nonzero scalar.
#3.) Add a row to a scalar multiple of another.
Let's do an example. Surely, you should remember augmented matrices (if not, it's just another set of elements tacked onto another matrix, you'll see).