using summation within a function

I'm trying to compute something like this:

x=1:100
n=1:10
y=sum(x+n) (or any other f(x))

This only works if n and x have the same dimension as matrix, but what I'm after is to use to derive y =f(x) but so far I had no luck any help is wellcome

thanks

[Walter Roberson]

In a case like that, what size would you want y to come out as, and what values?

Answer 1

[Dave Behera]

The x + n part will only work if they are the same dimension. Can you please describe in detail what you are referring to as 'derive y =f(x)'?

[Sa'adatu Abubakar]

I want to use the summation function inside the newtonRaphson algorithm, how can I express it I used symsum(f,k,a,b) but it dosnt work. Do I need to use for loop?

[Walter Roberson]

sum(arrayfun(@f, a:b))

If f returns a non-scalar value then you might need

temp = arrayfun(@f, a:b, 'uniform', 0);
nd = ndims(temp{1});
y = sum(cat(nd+1, temp{:}),nd+1);