Ctft

Ctft Why DFT is used for approximating CTFT when you can approximate CTFT-integral itself?
Why DFT is used for approximating CTFT when you can approximate CTFT-integral itself?
Why do we use DFT?Is DFT an approximation?What is the difference between CTFT and Dtft?Why do we need DFT in DSP? Why do we use DFT?First, the DFT c...