hello

I made this function to calculate the DFT (discrete Fourier transform) but I do not run the arduino has errors the compiler does not interpret the (I> complex number)

X=zeros(1,N); for k=0:N-1 a=zeros(1,N); for n=0:N-1 a(n+1)=x(n+1)*exp(-(1i*2*pi*n*k)/N); end X(k+1)=sum(a);

thank you Gil