00:01
Given a equal to matrix 4, minus 3, 2, minus 6, 14, minus 6, 7, minus 3, minus 4, 1, minus 2, minus 2, 4, minus 2, 2, minus 2.
00:38
Now, r1 equal to r1 by 4.
00:47
So, 1, minus 3 by 4, 1 by 2, minus 3 by 14, minus 6, 7, minus 3, minus 4, 1, minus 2, 2, minus 2, 4, minus 2, 2, minus 2.
01:27
This matrix.
01:31
Next operation, r2 equal to r2 minus 14, r1.
01:44
1, minus 3 by 4, 1 by 2, minus 3 by 0, 9 by 2, 0, 18, minus 4, 1, minus 2, minus 4, minus 2, 2, minus 2.
02:28
Next operation, that is r3 equal to r3 plus 4r1.
02:41
1, minus 3 by 4, 1 by 2, minus 3 by 0, 9 by 2, 0, 18, 0, minus 2, 0, minus 8, 4, minus 2, minus 2.
03:16
This matrix.
03:19
Next operation.
03:20
So, r4 equal to r4 minus 4r1...