Chapter 4: Programming in Matlab - College of the Redwoods

290 Chapter 4 Programming in Matlab
15.
17.
>> P((P20))
ans =
1
1
1
1
1
1
2
3
4
1
3
1
4
35
1
35
70
>> A(mod(A,2)==0)
ans =
16
4
2
14
10
6
8
12
21.
>> A(mod(A,3)==0)
ans =
9
3
6
15
12
>> u=1:100;
>> k=isprime(u);
>> u(k)
ans =
Columns 1 through 4
2 3 5 7
Columns 5 through 8
11 13 17 19
Columns 9 through 12
23 29 31 37
Columns 13 through 16
41 43 47 53
Columns 17 through 20
59 61 67 71
Columns 21 through 24
73 79 83 89
Column 25
97
23. Define the anonymous function.
f=@(x) 2+sqrt(x+5);
19.
Evaluate the function on [−10, 10]
and plot the result.