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u Matrix Arithmetic Operations [OPTN] - [MAT] - [Mat]/[Iden]
Example 1 To add the following two matrices (Matrix A + Matrix B) :
A K 2 (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
A f K 2 (MAT)1 (Mat)
av (A)w
Example 3 To multiply the two matrices in Example 1 (Matrix A × Matrix B)
A K 2 (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
A K 2 (MAT)1 (Mat)av (A)*
6 (g )1 (Iden)c w
Number of rows and columns
A =
1
1
2 1
2 3
2 1
B =
A =
1
1
2 1
2 3
2 1
B =
# 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. Otherwise,
an error occurs.
2-8-17
Matrix Calculations
# 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.