Mercurial > hg > ishara
annotate general/numerical/scalar/expdecay.m @ 61:eff6bddf82e3 tip
Finally implemented perceptual brightness thing.
| author | samer |
|---|---|
| date | Sun, 11 Oct 2015 10:20:42 +0100 |
| parents | db7f4afd27c5 |
| children |
| rev | line source |
|---|---|
| samer@4 | 1 function lambda=expdecay(k,d) |
| samer@4 | 2 % expdecay - compute interpolation ratio for exponential decay |
| samer@4 | 3 % |
| samer@4 | 4 % expdecay :: [Size->nonneg], [Size->nonneg] -> [Size->nonneg]. |
| samer@4 | 5 % |
| samer@4 | 6 % this gives exponential convergence |
| samer@4 | 7 |
| samer@4 | 8 if nargin==2, lambda=1-k; |
| samer@4 | 9 else lambda=@(d)1-k; end |