Data605-Week1-Discussion1-kamath

Exercise- Matrix - C10

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1. A + B

   A+B

   ##      [,1] [,2] [,3]
   ## [1,]    4    6   -2
   ## [2,]    4   -3    5

2. A + C

   #A+C

   A and C are not the same size.A+C is not defined.

3. B^t + C

   B1 + C

   ##      [,1] [,2]
   ## [1,]    5    2
   ## [2,]    6   -6
   ## [3,]   -1    7

4. A + B^t

   #A + B1

   A and B^t are not the same size. A + B^t is not defined.

5. (BetA)C

    Beta * C

   ##      [,1] [,2]
   ## [1,]    1    2
   ## [2,]    2    0
   ## [3,]   -1    1

6. 4A - 3B

   4 * A - 3 * B

   ##      [,1] [,2] [,3]
   ## [1,]   -5   10  -15
   ## [2,]   30   30  -15

7. A^t + (Alpha)C

   A1 + (Alpha * C)

   ##      [,1] [,2]
   ## [1,]    9   22
   ## [2,]   20    3
   ## [3,]  -11    8

8. A + B -C^t

   A + B - C1

   ##      [,1] [,2] [,3]
   ## [1,]    2    2    0
   ## [2,]    0   -3    3

9. 4A + 2B - 5C^t.

   4*A + 2*B - 5 * C1

   ##      [,1] [,2] [,3]
   ## [1,]    0    0    0
   ## [2,]    0    0    0

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