# Fast weighted summation of erfc functions

 Title Fast weighted summation of erfc functions Publication Type Journal Articles Year of Publication 2007 Authors Raykar VC, Duraiswami R, Krishnapuram B Journal Technical Reports from UMIACS UMIACS-TR-2007-03 Date Published 2007/01/08/ Keywords Technical Report Abstract Abstract: Direct computation of the weighted sum of N complementaryerror functions at M points scales as O(MN). We present a O(M + N) $\epsilon$-exact approximation algorithm to compute the same. URL http://drum.lib.umd.edu/handle/1903/7535