sum(1:1:50) % 3.3.1a

sum((1:1:20).^2) % 3.3.1b

sum(3:2:9./1:1:4) % 3.3.2a

sum((2.^(1:1:8))./1:1:8) % 3.3.2b

x = 0:1:10; maxx = max(x) % 3.3.3a

cosx = cos(x) % 3.3.3b

meanx = mean(x) % 3.3.3c
>> vector_operations

ans =

        1275


ans =

        2870


ans =

     7


ans =

    35


maxx =

    10


cosx =

  Columns 1 through 10

    1.0000    0.5403   -0.4161   -0.9900   -0.6536    0.2837    0.9602    0.7539   -0.1455   -0.9111

  Column 11

   -0.8391


meanx =

     5

>>