RREF 4X4 Matrix-D.Lucio

MY MATRIX (A) :

A= 3,6,2,0
6,2,8,4
5,4,3,2
0,4,5,6

A= 3,6,2,0 (1/3)r1= R1 [To make the three a pivot]
6,2,8,4
5,4,3,2
0,4,5,6

A= 1,2,(2/3),0
6,2,8,4 -6r1+ r2= R2
5,4,3,2
0,4,5,6

A= 1,2,(2/3),0
0,-10,4,4
5,4,3,2 -5r1+r3=R3
0,4,5,6

A= 1,2,(2/3),0
0,-10,4,4 (-1/10)r2=R2
0,-6,(-1/3),2
0,4,5,6

A= 1,2,(2/3),0
0,1,(-2/5),(-2/5)
0,-6,(-1/3),2 6r2+r3=R3
0,4,5,6

A= 1,2,(2/3),0
0,1,(-2/5),(-2/5)
0,0,(-41/15),(-2/5) -4r2+r4=R4
0,4,5,6

A= 1,2,(2/3),0
0,1,(-2/5),(-2/5)
0,0,(-41/15),(-2/5) (-15/41)r3=R3
0,0,(33/5),(38/5)

A= 1,2,(2/3),0
0,1,(-2/5),(-2/5)
0,0,1,(6/41) (-33/5)r3+r4=R4
0,0,(33/5),(38/5)

A= 1,2,(2/3),0
0,1,(-2/5),(-2/5)
0,0,1,(6/41)
0,0,0,(272/41) (41/272)r4=R4

A= 1,2,(2/3),0
0,1,(-2/5),(-2/5)
0,0,1,(6/41) (-6/41)r4+r3=R3
0,0,0,1

A= 1,2,(2/3),0
0,1,(-2/5),(-2/5) (2/5)r4+r2=R2
0,0,1,0
0,0,0,1

A= 1,2,(2/3),0
0,1,(-2/5),0 (2/5)r3+r2=R2
0,0,1,0
0,0,0,1

A= 1,2,(2/3),0 (-2/3)r3+r1=R1
0,1,0,0
0,0,1,0
0,0,0,1

A= 1,2,0,0 -2r2+r1=R1
0,1,0,0
0,0,1,0
0,0,0,1

A= 1,0,0,0
0,1,0,0 RREF!!!!!!!!!! FINISHED!!!! :)
0,0,1,0
0,0,0,1

page revision: 1, last edited: 18 Sep 2011 18:11