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Casio ALGEBRA FX 2.0 PLUS Computer Algebra System and Tutorial Modes User Manual

Page 37

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Example

To create a 2

× 3 matrix, all of whose entries are X

K2(MAT)c(CREATE)e(Fill)v,c,dw

X X X

X X X

u SubMat

Function: Extracts a specific section of a matrix into a new matrix.

Syntax: SubMat( Mat [, start row] [, start column] [, end row] [, end column] [ ) ]

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Example

To extract the section from row 2, column 2 to row 3, column 3 from
the following matrix

1

2 3

4

5 6

7

8 9

K2(MAT)c(CREATE)f(SubMat)!+( [ )!+( [ )

b,c,d

!-( ] )!+( [ )e,f,g

!-( ] )!+( [ )h,i,j!-( ] )

5 6

!-( ] ),c,c,d,dw

8 9

• If you do not specify an end row and column, all the entries from the start row/column to the

end of the matrix are extracted.

7-1-36

Using the CAS (Computer Algebra System) Mode