Fourier Transform (matlab)?
>> clear >> t=[-2:0.01:2]; >> g=sqrt((t.^2)-4); >> plot(t,imag(g), 'r'); >> hold on >> plot(t,imag(fft(g)), 'b'); Not sure exactly what your problem is asking, but this might do it. I just use the built-in Fourier transform of Matlab. I assume you don't h...