Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
Drexel University or The Math Forum.


JT
Posts:
1,041
Registered:
4/7/12


Re: Numbersystems, bijective, padic etc
Posted:
Sep 30, 2013 12:34 PM


Den måndagen den 30:e september 2013 kl. 18:33:14 UTC+2 skrev jonas.t...@gmail.com: > Den måndagen den 30:e september 2013 kl. 17:57:49 UTC+2 skrev jonas.t...@gmail.com: > > > When i've played with constructing *zeroless* numbersystems i've come a cross terms like bijective and padic, since my formalised knowledge of math terms is null. I wonder what these terms really mean and their origin, and is there a difference between bijective base 10 and padic base 10? > > > > > > > > > > > > My native language is not english so what does a numbersystem being padic and bijective really refer to? > > > > > > > > > > > > Basicly i wonder what does these term bring to the properties and understanding of the numbersystem that is missing by simply using zeroless bases? > > > > > > > > > > > > I do realise that zeroless basesystem may indeed end up with a different set of arithmetic and calculus. But what does these terms bring that zeroless base can not encapsulate? > > > > > > > > > > > > I will implement some general purpose padic??? numbersystem converter and some basic arithmetic working for any padic +,,*,/ SQR,SQRT maybe > > > > > > > > > > > > Also i wonder about radix notation, when you use decimals to represent numbers in higher bases then 10, what is this type of numerical notation of a base called. > > > > > > > > > > > > Base 10 number 1344556 > > > > > > Base 77 number 2,72,59,59, > > > > > > > > > > > > I have a feeling that radix notation is not the correct term for what i use above or is it? > > > > > > > > > > > > If i write a basechanging function constructed using padic and this comma separated decimal notation system, what should i call it so people in math understand the notation? > > > > > > > > > > > > A general purpose base changing algorithm using > > > > > > Padic and comma separated decimal notation? > > > > I know see that p may mean prime, so the question was maybe illformed better would have been using ternary. > > > > If anyone has a comment on the base changing algorithm or the notation before i change it to bijective it is welcome. > > > > Once i implemented basic arithmetic i will change it not be restrained by the limitations of the integer type in javascript. Basicly i will probably implement a very odd looking bignumber library, only using chinese remainder theorem, and basicly no math primitives just strings.
http://web.comhem.se/jonasth/nyan.html



