Array processing operation and summation

Hi,

I need to read in an integer N from the keyboard and then use array processing operation andsummation to compute the value of the expression.

The expression is ((n+1)/sqrt(n)+n^3)

[KSSV]

What have you attempted for your home work?

[Rui Hou]

I have already used for and while loop.

Answer 1

[Image Analyst]

Use the sum() function, if that is allowed.

N = input(.................. % TO DO -- you finish it!
% Get n as a vector [1, 2, 3, 4, ..... N]:
n = 1 : N

Now use your equation ((n+1) ./ sqrt(n) + n .^ 3) , passing it into sum().

Or don't assign n like that, and have a for loop over n and have the equation inside the for loop.

[Rui Hou]

Thank you! That helps!

Answer 2

[KSSV]

To achieve this you need to read about input and for loop.

1. Use input and enter the value of N.
2. Initialize the required sum value to zero.
3. Run a d for loop from n = 1 to N, inside the loop calculate your formula and sum using the above initliazed value.

[Rui Hou]

Ok. Thank you!