Matlab- Fibonacci Series

n=input('Pick a number:\n');
fib=zeros(1,n);
fib(1)=1;
fib(2)=1;
k=3;
while k<=n
fib(k)=fib(k-2)+fib(k-1);
k=k+1;
end
fprintf('The fibonacci series to %d terms is \n',n);
fprintf('%g\n',fib);