1. Matrix Addition 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 +

2. Simply add terms in "like" positions.
Matrix Addition 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 +
Simply add terms in "like" positions.

3. Simply add terms in "like" positions.
Matrix Addition 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 +
Simply add terms in "like" positions.

4. Simply add terms in "like" positions.
Matrix Addition 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 +
Simply add terms in "like" positions.

5. + Matrix Addition 3 + 5 ==> A(1,1) position 3 2 5 -2 1 4 6 9 5 -1 21 4 6 9 5 -1 2 3 7 4 +
3 + 5 ==>
A(1,1)
position

6. + Matrix Addition 3 + 5 ==> A(1,1) position 3 2 5 -2 1 4 6 9 5 -1 21 4 6 9 5 -1 2 3 7 4 +
3 + 5 ==> 8
A(1,1)
position

7. + Matrix Addition Now the next term.... 3 2 5 -2 1 4 6 9 5 -1 2 3 7 41 4 6 9 5 -1 2 3 7 4
Now the next term.... + 8

8. Matrix Addition 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 + 8
A(1,2)
position

9. Matrix Addition 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 + 8 1
A(1,2)
position

10. + Matrix Addition continuing A(1,3) position 3 2 5 -2 1 4 6 9 5 -1 2 31 4 6 9 5 -1 2 3 7 4 + 8 1
continuing
A(1,3)
position

11. Matrix Addition 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 + 8 1 7
A(1,3)
position

12. + Matrix Addition Now for row 2 A(2,1) position 3 2 5 -2 1 4 6 9 5 -11 4 6 9 5 -1 2 3 7 4 +
Now for row 2 8 1 7
A(2,1)
position

13. + Matrix Addition Now for row 2 A(2,1) position 3 2 5 -2 1 4 6 9 5 -11 4 6 9 5 -1 2 3 7 4 +
Now for row 2 8 1 7 -2
A(2,1)
position

14. + Matrix Addition A(2,2) position 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 8 1 71 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2
A(2,2)
position

15. + Matrix Addition A(2,2) position 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 8 1 71 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2 3
A(2,2)
position

16. + Matrix Addition A(2,3) position 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 8 1 71 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2 3
A(2,3)
position

17. + Matrix Addition A(2,3) position 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 8 1 71 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2 3
A(2,3)
position

18. + Matrix Addition Now for row 3 A(3,1) position 3 2 5 -2 1 4 6 9 5 -11 4 6 9 5 -1 2 3 7 4 +
Now for row 3 8 1 7 -2 3
A(3,1)
position

19. + Matrix Addition A(3,1) position 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 8 1 71 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2 3 6
A(3,1)
position

20. + Matrix Addition A(3,2) position 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 8 1 71 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2 3 6
A(3,2)
position

21. + Matrix Addition A(3,2) position 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 8 1 71 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2 3 6 13
A(3,2)
position

22. + Matrix Addition A(3,3) position 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 8 1 71 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2 3 6 13
A(3,3)
position

23. + Matrix Addition A(3,3) position 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 8 1 71 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2 3 6 13
A(3,3)
position

24. Matrix Addition 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 + 8 1 7 -2 3 6 13

25. Example 2

26. + Matrix Addition 5 1 -4 -2 9 3 4 6 7 8 2 -1 5 -8 3 6 1 -5 -3 7 1 -101
-10 12 9 5 -1

27. Matrix Addition & Scalars

28. Matrix Addition & Scalars3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 + =

29. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x +
4 x __ __ =

30. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x 3 +
4 x 5 26 =
6 + 20

31. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x 2 +
4 x
(-1) 26 =
4 - 4

32. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x 5 +
4 x 2 26 18 =
10 + 8

33. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x
(-2) +
4 x 26 18 -4 =
-4 + 0

34. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x +
4 x 3 26 18 -4 12 =
0 + 12

35. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x 1 +
4 x 7 26 18 -4 12 30 =
2 + 28

36. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x 4 +
4 x 2 26 18 -4 12 30 16 =
8 + 8

37. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x 6 +
4 x 7 26 18 -4 12 30 16 40 =

38. 3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 +
2 x 9 +
4 x 4 26 18 -4 12 30 16 40 34 =

39. Matrix Addition & Scalars3 2 5 -2 1 4 6 9 5 -1 2 3 7 4 4 2 + 26 18 -4 12 30 16 40 34 =