How do I sum a function in matlab?

Hi,

how do I write a function in matlab, which includes a sum? My goal is to write a function which sums the Lagrange-polynomials..

Can somebody help me?

Answer 1

[Smith]

You can define a function using Anonymous function like this

f1 = @(x) x;
f2 = @(x) x.^2;

to get to sum of f1 and f2, f

f = @(x) f1(x)+f2(x);

and f is equal to x+x^2.

[wgh Huang]

Cell array will help if there are a lot of functions, which are in a particular pattern.