fsolve does not work

i get the following error after running this:

f = @(k1,k2) k1+k2

fsolve(f,[0; 0])

-----------------------------------

Input argument "k2" is undefined.

Error in ==> @(k1,k2)k1+k2

Error in ==> fsolve at 248 fuser = feval(funfcn{3},x,varargin{:});

Caused by: Failure in initial user-supplied objective function evaluation. FSOLVE cannot continue.

Answer 1

[Walter Roberson]

fsolve(@(x) f(x(1),x(2), [0;0])