等比級数
geomSeries<-function(stval,endval,n){ exp(seq(from=log(stval),to=log(endval),length.out=n)) }
> stval<-runif(1) > endval<-runif(1) > n<-10 > gsout<-geomSeries(stval,endval,n) > for( i in 1:(length(gsout)-1)){ print(gsout[i]/gsout[i+1])} [1] 0.9570482 [1] 0.9570482 [1] 0.9570482 [1] 0.9570482 [1] 0.9570482 [1] 0.9570482 [1] 0.9570482 [1] 0.9570482 [1] 0.9570482