An introduction to discrete mathematics, including combinatorics and graph theory. The necessary background tools in set theory, logic, recursion, relations, and functions are also included. Masters ...

Abstract: In this letter, we propose to realize optical discrete Fourier transform (DFT) and inverse discrete Fourier transform (IDFT) on one single multimode interference (MMI) coupler. In comparison ...

Little, a little, few, a few 区分形容 “量少” 的四个说法 Episode 190710 / 10 Jul 2019 Two pairs of very tricky but useful quantifiers ...