fibonacci series in matlab

function f = fibnum(n) 
% fibnum Fibonacci number
% fibnum(n) generates the nth Fibonacci number
if n <= 1 f = 1;
else f = fibnum(n-1) + fibnum(n-2);
end

Geting error when I type in command window

>> fibnum(12)

Undefined function or variable 'fibnum'.

Answer 1

[the cyclist]

I'm guessing that the function is not on the search path (where MATLAB will look for functions to execute).

What is the result of

which fibnum

?

You can use the addpath command to add the directory where that function is to your path.