Help with Not enough input arguments error

I am trying to use a code that will approximate Sin(x) with its Maclaurin series. This is my code:

function smp = maclaurin_sin(x, n)
smp = 0;
deriv = [0 1 0 -1]'; 
for i = 0 : n-1
    t(i+1, :) = deriv(1) * x.^(i) / factorial(i);
    deriv = circshift(deriv, -1);
end
smp = sum(t);

And this is the error: Not enough input arguments.

Error in sine2 (line 4) for i = 0 : n-1

Can anyone please help?

Answer 1

[KSSV]

I guess, you are directly running the function without giving any input. Call the function by giving some inputs:

x = pi/4 ;
n = 100 ;
smp = maclaurin_sin(x, n) ;

It gives:

smp = 0.7071 ;