Contoh
[122530]⎡⎢⎣122530⎤⎥⎦
Langkah 1
Langkah 1.1
Perform the row operation R2=R2-2R1R2=R2−2R1 to make the entry at 2,12,1 a 00.
[122-2⋅15-2⋅230]⎡⎢⎣122−2⋅15−2⋅230⎤⎥⎦
Langkah 1.2
Sederhanakan R2R2.
[120130]⎡⎢⎣120130⎤⎥⎦
[120130]⎡⎢⎣120130⎤⎥⎦
Langkah 2
Langkah 2.1
Perform the row operation R3=R3-3R1R3=R3−3R1 to make the entry at 3,13,1 a 00.
[12013-3⋅10-3⋅2]⎡⎢⎣12013−3⋅10−3⋅2⎤⎥⎦
Langkah 2.2
Sederhanakan R3R3.
[12010-6]⎡⎢⎣12010−6⎤⎥⎦
[12010-6]⎡⎢⎣12010−6⎤⎥⎦
Langkah 3
Langkah 3.1
Perform the row operation R3=R3+6R2R3=R3+6R2 to make the entry at 3,23,2 a 00.
[12010+6⋅0-6+6⋅1]⎡⎢⎣12010+6⋅0−6+6⋅1⎤⎥⎦
Langkah 3.2
Sederhanakan R3R3.
[120100]⎡⎢⎣120100⎤⎥⎦
[120100]⎡⎢⎣120100⎤⎥⎦
Langkah 4
Langkah 4.1
Perform the row operation R1=R1-2R2R1=R1−2R2 to make the entry at 1,21,2 a 00.
[1-2⋅02-2⋅10100]⎡⎢⎣1−2⋅02−2⋅10100⎤⎥⎦
Langkah 4.2
Sederhanakan R1R1.
[100100]⎡⎢⎣100100⎤⎥⎦
[100100]⎡⎢⎣100100⎤⎥⎦