Contoh
⎡⎢⎣122530⎤⎥⎦
Langkah 1
Langkah 1.1
Perform the row operation R2=R2−2R1 to make the entry at 2,1 a 0.
⎡⎢⎣122−2⋅15−2⋅230⎤⎥⎦
Langkah 1.2
Sederhanakan R2.
⎡⎢⎣120130⎤⎥⎦
⎡⎢⎣120130⎤⎥⎦
Langkah 2
Langkah 2.1
Perform the row operation R3=R3−3R1 to make the entry at 3,1 a 0.
⎡⎢⎣12013−3⋅10−3⋅2⎤⎥⎦
Langkah 2.2
Sederhanakan R3.
⎡⎢⎣12010−6⎤⎥⎦
⎡⎢⎣12010−6⎤⎥⎦
Langkah 3
Langkah 3.1
Perform the row operation R3=R3+6R2 to make the entry at 3,2 a 0.
⎡⎢⎣12010+6⋅0−6+6⋅1⎤⎥⎦
Langkah 3.2
Sederhanakan R3.
⎡⎢⎣120100⎤⎥⎦
⎡⎢⎣120100⎤⎥⎦
Langkah 4
Langkah 4.1
Perform the row operation R1=R1−2R2 to make the entry at 1,2 a 0.
⎡⎢⎣1−2⋅02−2⋅10100⎤⎥⎦
Langkah 4.2
Sederhanakan R1.
⎡⎢⎣100100⎤⎥⎦
⎡⎢⎣100100⎤⎥⎦