Matrices
- 2574267
- Mar 11, 2021
- 1 min read
Updated: Jun 3, 2021
Addition
35 20 + 40 10 = 75 30
40 25 + 10 20 = 50 55
Subtraction
5 6 - 6 0 = -1 6
7 3 - 4 2 = 3 1
Transpose
1 4 3 1 5 9
5 2 8 -> 4 2 6
9 6 7 3 8 7
Multiplication
A = [ 3 4 6 ] B= [ 4
5
-2]
AB = 3(4) + 4(5) + 6(-2)
= 12 + 20 - 12
= 32 - 12
= 20
BA = (4x3=12) (4x4=16) (4x6=24)
(5x3=15) (5x4=20) (5x6=30)
(-2x3=-6) (-2x4=-8) (-2x6=-12)
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