Identify (Ident) - Casio Algebra FX 2.0 PLUS User Manual

Using the CAS (Computer Algebra System) Mode
u Augment (Augmnt)
Function: Combines two matrices.
Syntax: Augment( Mat, Mat [ ) ]
Example To combine the two matrices below
1 2
3 4
K2(MAT)c(CREATE)c(Augmnt)!+( [ )!+( [ )
b,c!-( ] )!+( [ )d,e
!-( ] )!-( ] ),!+( [ )!+( [ )
f,g!-( ] )!+( [ )h,i
!-( ] )!-( ] )w
u Identify (Ident)
Function: Creates an identity matrix
Syntax: Ident numeric value
To create a 2 × 2 identity matrix
Example
K2(MAT)c(CREATE)d(Ident)cw
u Fill
Function: Replaces the elements of a matrix with a specified value or expression.
This command can also be used to create a new matrix whose elements all
contain the same value or expression.
Syntax: Fill( Exp, Mat [ ) ]
Fill( Exp, number of lines, number of rows [ ) ]
Example To replace the elements of the matrix below with X
3 4
1 2
K2(MAT)c(CREATE)e(Fill)v,!+( [ )
!+( [ )d,e!-( ] )!+( [ )
b,c!-( ] )!-( ] )w
7-1-35
5 6
7 8
20010102
1 2 5 6
3 4 7 8
1 0
0 1
X X
X X