Entrer un problème...
Algèbre linéaire Exemples
[12-1-141060]
Étape 1
Étape 1.1
Perform the row operation R2=R2+R1 to make the entry at 2,1 a 0.
Étape 1.1.1
Perform the row operation R2=R2+R1 to make the entry at 2,1 a 0.
[12-1-1+1⋅14+1⋅21-1060]
Étape 1.1.2
Simplifiez R2.
[12-1060060]
[12-1060060]
Étape 1.2
Multiply each element of R2 by 16 to make the entry at 2,2 a 1.
Étape 1.2.1
Multiply each element of R2 by 16 to make the entry at 2,2 a 1.
[12-1066606060]
Étape 1.2.2
Simplifiez R2.
[12-1010060]
[12-1010060]
Étape 1.3
Perform the row operation R3=R3-6R2 to make the entry at 3,2 a 0.
Étape 1.3.1
Perform the row operation R3=R3-6R2 to make the entry at 3,2 a 0.
[12-10100-6⋅06-6⋅10-6⋅0]
Étape 1.3.2
Simplifiez R3.
[12-1010000]
[12-1010000]
Étape 1.4
Perform the row operation R1=R1-2R2 to make the entry at 1,2 a 0.
Étape 1.4.1
Perform the row operation R1=R1-2R2 to make the entry at 1,2 a 0.
[1-2⋅02-2⋅1-1-2⋅0010000]
Étape 1.4.2
Simplifiez R1.
[10-1010000]
[10-1010000]
[10-1010000]
Étape 2
The pivot positions are the locations with the leading 1 in each row. The pivot columns are the columns that have a pivot position.
Pivot Positions: a11 and a22
Pivot Columns: 1 and 2
Étape 3
The rank is the number of pivot columns.
2