1. M

    indexing percentages

    hi all, if I'm, for example, plotting the percentage of a population with a particular attribute over a number of years (one data point per year), how can I index the percentages so that the results won't be distorted by large increases or decreases in the population size? thanks Mark
  2. B

    Indexing sequences with natural numbers

    Hi guys, I'm curious to know the answer to this question, but I know it's far beyond my level to answer, so I'll leave it here to be... analyzed (get it? real analysis lol!). Given an arbitrary finite sequence of rational numbers, can a sequence always be constructed to index the numbers with...
  3. S

    Indexing a permutation with repetition

    Hello, I have this problem: I want to distribute the calculation of variable lengths passwords(according to a certain alphabet) between several computers. I think that the best way to do this is by splicing the index interval between them. The only problem is that some of the characters might...