Lu; Trn - Casio Algebra FX 2.0 PLUS User Manual

Using the CAS (Computer Algebra System) Mode
u LU
Function: Returns the LU resolution of a matrix.
Syntax: LU( Mat, lower memory, upper memory)
Example To determine the LU resolution of the matrix below
6 12 18
5 14 31
3 8 18
The lower matrix is assigned to variable A, while the upper matrix is assigned to variable B.
K2(MAT)b(CALC)i(LU)!+( [ )!+( [ )
g,bc,bi!-( ] )!+( [ )
f,be,db!-( ] )!+( [ )
d,i,bi!-( ] )!-( ] ),
av(A),al(B)w
The upper matrix is displayed as the calculation result.
To display the lower matrix, recall the lower matrix variable (A in this example) specified
by the command.
av(A)w
To display the upper matrix, recall the upper matrix variable (B in this example) specified
by the command.
u Trn
Function: Transposes a matrix.
Syntax: Trn Mat
Example To transpose the matrix below
1 2
3 4
K2(MAT)c(CREATE)b(Trn)!+( [ )!+( [ )
b,c!-( ] )!+( [ )d,e
!-( ] )!-( ] )w
7-1-34
20010102
6 12 18
0 4 16
0 0 1
1 0 0
5
1 0
6
1 1
1
2 2
1 3
2 4