Physics · Computational & Experimental Methods
A topic within Computational & Experimental Methods, itself one of 8 topics in that field and part of Physics.
2 works
Steven W. Smith
Builds digital signal processing out of operations on arrays of numbers rather than continuous mathematics, aimed at readers who need working code before they need a proof.
link checked 17 Sept 2026James W. Cooley & John W. Tukey
Shows a discrete Fourier transform can be computed in n log n steps instead of n-squared by recursively splitting the sum, the algorithm that made digital signal processing practical.
link checked 17 Sept 2026