Integral

Change of discrete summation to definite integral

Change of discrete summation to definite integral
  1. Is summation equal to integral?

Is summation equal to integral?

Both integrals and sums represent areas: an integral is the area under a curve and a sum is an area under a bunch of rectangles. You know one area is bigger than another when the first region completely covers the second region. Based on this, you can bound an integral by a sum or vice versa.

Audio How to plot the STFT of a .wav file in GNU Octave?
How to plot the STFT of a .wav file in GNU Octave?
What is FFT in audio? What is FFT in audio?The "Fast Fourier Transform" (FFT) is an important measurement method in the science of audio and acousti...
Convolution Why we need convolution in image processing?
Why we need convolution in image processing?
Why do we need convolution in image processing?What is convolution and why use it?What is convolution process in the image processing?What is the adv...
Stable What is the relation between the terms stable, asymptotically stable, marginally stable and unstable?
What is the relation between the terms stable, asymptotically stable, marginally stable and unstable?
Is asymptotically stable same as marginally stable?What is stable marginally stable and unstable system?Is marginally stable unstable?Is marginally s...