Swap; Row; Row+ - Casio Algebra FX 2.0 PLUS User Manual

Using the CAS (Computer Algebra System) Mode
u Swap
Function: Swaps two rows of a matrix.
Syntax: Swap Mat, row number 1, row number 2
Example To swap row 1 with row 2 of the following matrix
1 2
3 4
K2(MAT)e(ROW)b(Swap)!+( [ )!+( [ )
b,c!-( ] )!+( [ )d,e
!-( ] )!-( ] ),b,cw
u `Row
Function: Returns the scalar product of a row of a matrix.
Syntax: `Row( Exp, Mat, row number [ ) ]
Example To multiply row 1 of the matrix below by X
1 2
3 4
K2(MAT)e(ROW)c(`Row)v,!+( [ )
!+( [ )b,c!-( ] )!+( [ )
d,e!-( ] )!-( ] ),bw
u `Row+
Function: Calculates the scalar product of one row of a matrix and adds the result to
another row.
Syntax: `Row+( Exp, Mat, line number 1, line number 2 [ ) ]
Example To multiply row 1 of the matrix below by X, and add the result to row 2
1 2
3 4
K2(MAT)e(ROW)d(`Row+)v,!+( [ )
!+( [ )b,c!-( ] )!+( [ )
d,e!-( ] )!-( ] ),b,cw
7-1-38
20010102
3 4
1 2
X 2X
3 4
1 2
X + 3 2X + 4