hard to type up on here.
Try this nice applet: http://www.gregthatcher.com/Mathematics/GaussJordan.aspx
It shows the operations taken each time
Careful when you enter the data, the last equation has no x term, so enter 0
solve gauss jordan elimination
6w-2x-4y+2z=2
3w-3x-6y+z=-4
-12w+8x+21y-8z=8
-6w-10y+7z=43
1 answer
1 answer