som 7.2.1 → 7.2.2

raw patch · 2 files changed

+2/−2 lines, 2 files

Files

som.cabal +1/−1
src/Data/Datamining/Clustering/SOMInternal.hs +1/−1

som.cabal view

@@ -1,5 +1,5 @@ name:           som-version:        7.2.1+version:        7.2.2 synopsis:       Self-Organising Maps description:    A Kohonen Self-organising Map (SOM) maps input patterns                  onto a regular grid (usually two-dimensional) where each

src/Data/Datamining/Clustering/SOMInternal.hs view

@@ -64,7 +64,7 @@ instance (Floating a, Fractional a, Num a)     => LearningFunction (DecayingGaussian a) where   type LearningRate (DecayingGaussian a) = a-  rate (DecayingGaussian r0 rf w0 wf tf) t d = r * exp (-(d*d)/(w*w))+  rate (DecayingGaussian r0 rf w0 wf tf) t d = r * exp (-(d*d)/(2*w*w))     where a = t/tf           r = r0 * ((rf/r0)**a)           w = w0 * ((wf/w0)**a)