Fourier, Gauss, and Heisenberg

Several weeks ago I wrote about the Fourier uncertainty principle which gives a lower bound on the product of the variance of a function f and the variance of its Fourier transform. This post expands on the earlier post by quoting some results from a recent paper [1]. Gaussian density The earlier post said that the […] The post Fourier, Gauss, and Heisenberg first appeared on John D. Cook....

Submit