X_{k}=sum_n=0^N-1x_{n}*{(cos(2pikn/N)-jsin(2pikn/N))} सोडवा

$$X_{k} = \sum_{n = 0}^{N - 1} x_{n} \cdot {(\cos(2 \pi k n / N) - j \sin(2 \pi k n / N))}$$

X_k साठी सोडवा

$$X_{k}=x_{n}\left(\sum _{n=0}^{N-1}-j\sin(\frac{2\pi kn}{N})+\cos(\frac{2\pi kn}{N})\right)$$

$$N\neq 0$$