samer@4: function rates=ratesched(a,b,c)
samer@4: % rates=ratesched(a,b,c): learning rate schedule
samer@4: %	a: start
samer@4: %  b: time to half
samer@4: %  c: number of steps
samer@4: rates=b*a./(b:(b+c-1));
samer@4: