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Question

0

For e.g. any range of number 0 - n

0 1 2 3 4 5 6

to:

0 2 4 6 4 2 0

Is there a name for this kind of formula or calculation?

asked Sep 2 2011 at 17:43

	Would you clarify the mapping? – Charles Sep 2 2011 at 17:58
	Sorry Charles, I do not know the mapping too, that's what I want to find out as well. – yzyzyz Sep 2 2011 at 18:04

Aeryk · Accepted Answer · 2011-09-02 18:16:36Z UTC

2

The tent map. In your case it'd be scaled to $f(x) = 2 \min(x, 6-x)$.

answered Sep 2 2011 at 18:16

Aeryk
1,067●3●8

Thank you so much! – yzyzyz Sep 2 2011 at 20:10

Is there a name for a formula to calculate ascending numbers to a quadratic-like sequence?