Matrix Calculations
| uMatrix Arithmetic Operations |
Example 1 To add the following two matrices (Matrix A + Matrix B) :
A = |
| 1 | 1 |
| B = |
| 2 | 3 |
| 2 | 1 |
|
| 2 | 1 | ||
|
|
|
|
|
AK2(MAT)1(Mat)av(A)+
1(Mat)al(B)w
Example 2 Calculate the product to the following matrix using a multiplier value of 5 :
Matrix A =
1 2
3 4
AfK2(MAT)1(Mat)
av(A)w
Example 3 To multiply the two matrices in Example 1 (Matrix A ⋅ Matrix B)
AK2(MAT)1(Mat)av(A)*
1(Mat)al(B)w
Example 4 To multiply Matrix A (from Example 1) by a 2 ⋅ 2 identity matrix
AK2(MAT)1(Mat)av(A)*
6(g)1(Iden)cw
Number of rows and columns
#The two matrices must have the same dimensions in order to be added or subtracted. An error occurs if you try to add or subtract matrices of different dimensions.
#For multiplication (Matrix 1 ⋅ Matrix 2), the number of columns in Matrix 1 must match the number of rows in Matrix 2. Other- wise, an error occurs.
#When performing matrix arithmetic operations, inputting the Identity command at the location of a matrix command (such as Mat A) makes it possible to perform identity matrix calculations.
20050401