Package: c-graph (2.0.1-3.1)

interactive visualization tool for the convolution theorem

GNU C-Graph is a novel tool for visualizing the mathematical operation of convolution. "C-Graph" is an abbreviation for "Convolution Graph". A game changer, C-Graph -- the de facto tool for visualizing the convolution theorem in universities worldwide -- is invaluable for lecture demonstrations and lab work in the teaching of signals and systems, as well as other courses featuring convolution. GNU C-Graph is widely used across industries that utilize signal processing techniques for design, test, and development: telecommunications, instrumentation and control, manufacturing, automotive, aviation and aerospace, medical devices, and others. This nifty package seamlessly generates publication quality graphics for papers, lecture demonstrations, and other professional presentations.

GNU C-Graph is interactive, prompting the user to enter character or numerical values from the keyboard - dispensing with the learning curve for writing code. A Texinfo manual provides sample sessions and an overview of the convolution theorem. C-Graph computes the linear convolution of two signals in the time domain then compares their circular convolution by demonstrating the convolution theorem. Each signal is modeled by a register of discrete values simulating samples of a signal, and the discrete Fourier transform (DFT) computed by means of the fast Fourier transform (FFT).

Select, Transform, Visualize : GNU C-Graph makes visualizing convolution easy

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