Assignment # 1

Numerical Computations

(LAB)

Submitted by:

Hashim Khan

Registration Id:

DDP-SP13-BEC-053

Submitted To:

Dr. Abdul Jawad

Submission Date:

12-3-2015

TASK 1 = Pick the element of 1st, 4th and 5th row.

>> r=magic(6)

r =

35 1 6 26 19 24

3 32 7 21 23 25

31 9 2 22 27 20

8 28 33 17 10 15

30 5 34 12 14 16

4 36 29 13 18 11

>> r([1 4 5], : )

ans =

35 1 6 26 19 24

8 28 33 17 10 15

30 5 34 12 14 16

>>

TASK 2 = Pick the elements of 1st, 5th and 6th column.

>> r=magic(6)

r =

35 1 6 26 19 24

3 32 7 21 23 25

31 9 2 22 27 20

8 28 33 17 10 15

30 5 34 12 14 16

4 36 29 13 18 11

>> r( : , [1 5 6])

ans =

35 19 24

3 23 25

31 27 20

8 10 15

30 14 16

4 18 11

>>

TASK 3 = Choose elements r52, r53, r55, r56............................r62, r63,

r65, r66 in this order.

>> r=magic(6)

r =

35 1 6 26 19 24

3 32 7 21 23 25

31 9 2 22 27 20

8 28 33 17 10 15

30 5 34 12 14 16

4 36 29 13 18 11

>> r(5:6,2:6)

ans =

5 34 12 14 16

36 29 13 18 11

>>

TASK 4 = Choose elements r22, r25, r26

...........................r52, r55, r56

...........................r62, r65, r66 in this order.

>> r=magic(6)

r =

35 1 6 26 19 24

3 32 7 21 23 25

31 9 2 22 27 20

8 28 33 17 10 15

30 5 34 12 14 16

4 36 29 13 18 11

>> r([2 5 6], [2 5 6])

ans =

32 23 25

5 14 16

36 18 11

>>

36 18 11

>>