Casio fx-9750G Matrix Calculations Manual de usuario descargar pdf (Pagina 17)

107

Example 1 To add the following two matrices (Matrix A + Matrix B) :

A =

B =

21 21

1(Mat)aA+

1(Mat)aB

This display indicates the following result.

A + B =

Example 2 To multiply the two matrices in Example 1 (Matrix A × Matrix B)

1(Mat)aA*

1(Mat)aB

This display indicates the following result.

A × B =

• The two matrices must have the same dimensions in order to be added or sub-

tracted. An error (Dim ERROR) occurs if you try to add or subtract matrices of

different dimensions.

• For multiplication, the number of columns in Matrix 1 must match the number of

rows in Matrix 2. Otherwise, an error (Dim ERROR) occurs.

• You can use an identity matrix in place of Matrix 1 or Matrix 2 in the matrix

arithmetic format. Use the matrix command menu’s Identity (1) command to

input the identity matrix.

1 23456

123456

Matrix Calculations 6 - 4

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Casio fx-9750G Matrix Calculations Manual de usuario Pagina 17