24 Sep
2007
24 Sep
'07
10 a.m.
On 9/23/07, mcintosh@servidor.unam.mx <mcintosh@servidor.unam.mx> wrote:
2) The variance (or better, the standard deviation) of a function is inverse to the variance of its Fourier Transform. Thus, many large coefficients are needed to confine a function to a small region and conversely.
Which is a general form of Heisenberg's uncertainty principle. -- Mike Stay metaweta@gmail.com http://math.ucr.edu/~mike