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2 âˆ’46 2 âˆ’ 4 3 0
0
1 âˆ’11 2
10 âˆ’ âˆ’ â†’ 1
âˆ’3
âˆ’âˆ’
1
âˆ’2 âˆ’2 âˆ’ 3 0
0
0
âˆ’1 âˆ’13 10
2 âˆ’3
âˆ’3
2 âˆ’46 1 âˆ’2 âˆ’1 10
2 âˆ’3
1 âˆ’2 âˆ’2 âˆ’1
1 âˆ’11 âˆ’3 10
âˆ’2 âˆ’2 1 13 Now for back substitution. The bottom row, as an equation, says that z = 13. The row above that
states that
y âˆ’ 2z = âˆ’2...
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This note was uploaded on 01/16/2014 for the course MAT 242 taught by Professor Kaliszewski during the Spring '02 term at ASU.
 Spring '02
 kaliszewski
 Linear Algebra, Algebra, Gaussian Elimination, Matrices

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