
Re: Help with formula (revised question)
Posted:
Nov 20, 2013 3:52 AM


On Wed, 20 Nov 2013, Robert Crandal wrote:
> Here is the new data set: > > X Y >   > 0.0 1 > 0.1 1 > 0.5 1 > 0.9 1 > 1.0 1 > 1.03 2 > 1.5 2 > 1.8 2 > 2.0 2 > 2.3 3 > 3.0 3 > 3.2 4 > > Can this data be represented with a formula > that only uses either addition, subtraction, > multiplication, division, modulus, or the power (^) > function, or any combination of these? No, the function is ceiling x = floor x. It's a well accepted function even availible in some computer languages. Before computers, mathematicians used [x] for the greatest interger <= x, which computer languages call floor or int(), as in basic.

