Gaussian elimination

  • Thread starter TonyC
  • Start date
  • #1
TonyC
86
0
2 1 1 | 4
-1 2 1 | 3
7 6 5 | 19

Need a little help please
 

Answers and Replies

  • #2
morry
136
0
Im not going to do the whole thing, but I like to try and eliminate the stuff below the top left number first.

Say, R3+7R2, will get rid of the -7. And will make the bottom row 0 20 12 | 40, id then divide by 2. Makes things easier. Then move onto another number.

I used to really suck at this, it takes a lot of goes before you can do it without trouble.
 
  • #3
morry
136
0
Im not going to do the whole thing, but I like to try and eliminate the stuff below the top left number first.

Say, R3+7R2, will get rid of the -7. And will make the bottom row 0 20 12 | 40, id then divide by 2. Makes things easier. Then move onto another number.

I used to really suck at this, it takes a lot of goes before you can do it without trouble.
 
  • #4
TonyC
86
0
Thank you, the book doesn't explain to good and I just needed a jump start.
 

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