
Re: Help with creating a function
Posted:
Nov 18, 2013 2:59 PM


On Monday, November 18, 2013 1:50:31 AM UTC8, quasi wrote: > Robert Crandal wrote: > > > > > >Suppose I have the following XY data set: > > > > > >X Y > > >  > > >0 1 > > >1 1 > > >2 2 > > >3 3 > > >. . > > >. . > > >N N > > > > > >Can this be represented with a math function? > > > > > >(Only consider positive integers >= 0) > > > > It's already a function since for each x in the domain, there > > is a unique y. > > > > Presumably you want a "formula". > > > > The function f defined on the set of nonnegative integers > > by the formula > > > > f(x) = ((x1)*(((2*x1)/abs(2*x1))+1)/2)+1 > > > > is not pretty but it works. > > > > quasi
Hello ,I see you have not lost your quasi touch. However f(x)=max(x,1)=(1/2)(x+1+x1) Regards smn

