Casio ALGEBRA FX 2.0 PLUS Function Manual page 34

Using the CAS (Computer Algebra System) Mode
u Rref
Function: Returns the reduced row echelon form of a matrix.
Syntax: Rref Mat
○ ○ ○ ○ ○
Example To determine the reduced row echelon form of the matrix below
– 2
1
– 5
K2(MAT)b(CALC)g(Rref)!+( [ )!+( [ )
-c,-c,a,-g!-( ] )!+( [ )
b,-b,j,-j!-( ] )
!+( [ )-f,c,e,-e
!-( ] )!-( ] )w
u Ref
Function: Returns the row echelon form of a matrix.
Syntax: Ref Mat
○ ○ ○ ○ ○
Example To determine the row echelon form of the matrix below
– 2
1
– 5
K2(MAT)b(CALC)h(Ref)!+( [ )!+( [ )
-c,-c,a,-g!-( ] )!+( [ )
b,-b,j,-j!-( ] )
!+( [ )-f,c,e,-e
!-( ] )!-( ] )w
7-1-33
– 2 0 – 6
– 1 9 – 9
2 4 – 4
– 2 0 – 6
– 1 9 – 9
2 4 – 4
20010102
66
1 0 0
71
147
0 1 0
71
62
0 0 1
–
71
1 1 0 3
9
0 1 – 6
2
62
0 0 1 –
71