Casio CFX-9850GC PLUS Manuel de calcul - Page 16

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Casio CFX-9850GC PLUS Manuel de calcul
6 - 4
Matrix Calculations
k k k k k Matrix Transposition
A matrix is transposed when its rows become columns and its columns become
rows. The following is the format for matrix transposition.
94
Example
Obtain the determinant for the following matrix :
Matrix A =
3(Det)1(Mat)aAw
• Determinants can be obtained only for square matrices (same number of rows
and columns). Trying to obtain a determinant for a matrix that is not square
produces an error.
• The determinant of a 2
| A | =
• The determinant of a 3
| A | =
= a
11
4 (Trn)
Example
To transpose the following matrix :
Matrix A =
4(Trn)1(Mat)aAw
1
2
3
4
5
6
–1 –2
0
2 matrix is calculated as shown below.
a
a
11
12
= a
a
– a
11
22
a
a
21
22
3 matrix is calculated as shown below.
a
a
a
11
12
13
a
a
a
21
22
23
a
a
a
31
32
33
a
a
+ a
a
a
+ a
22
33
12
23
31
13
– a
a
a
– a
a
a
11
23
32
12
21
Matrix
Mat A
Mat Z
MatAns
1
2
3
4
5
6
a
12
21
a
a
21
32
– a
a
a
33
13
22
31
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