Fibonacci sequence: Difference between revisions
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The '''Fibonacci sequence''' is a | The '''Fibonacci sequence''' is a [[sequence]] of [[integer]]s in which the first and second term are both equal to 1 and each subsequent term is the sum of the two preceding it. The first few terms are <br><math>1, 1, 2, 3, 5, 8, 13, 21, 34, 55,...</math>. | ||
The Fibonacci sequence can be written recursively as <math>F_n=F_{n-1}+F_{n-2}</math>. | The Fibonacci sequence can be written [[recursion|recursively]] as <math>F_n=F_{n-1}+F_{n-2}</math>. | ||
Revision as of 15:32, 29 June 2006
The Fibonacci sequence is a sequence of integers in which the first and second term are both equal to 1 and each subsequent term is the sum of the two preceding it. The first few terms are
.
The Fibonacci sequence can be written recursively as
.
Introduction
Ratios between successive terms,
,
,
,
,
, tend towards the limit phi.
Intermediate
Binet's formula is an explicit formula used to find any nth term.
It is
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