Casio ALGEBRA FX 2.0 PLUS Computer Algebra System and Tu Manual do Utilizador descarregar pdf (Página 35)

20010102

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

61218

51431

3818

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!-( ] )!+( [ ) 61218

d,i,bi!-( ] )!-( ] ), 04 16

av(A),al(B)w 00 1

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

K2(MAT)c (CREATE)b(Trn)!+( [ )!+( [ )

b,c!-( ] )!+( [ )d,e 13

!-( ] )!-( ] )w 24

7-1-34

Using the CAS (Computer Algebra System) Mode

100

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Casio ALGEBRA FX 2.0 PLUS Computer Algebra System and Tu Manual do Utilizador Página 35