lucnum: Compute Fibonacci and Lucas numbers
Description
fibnum compute n-th Fibonacci number.
fibnum2 compute (n-1)-th and n-th Fibonacci number.
lucnum compute n-th lucas number.
lucnum2 compute (n-1)-th and n-th lucas number. Fibonacci numbers are define by: $F_n=F_{n-1}+F_{n-2}$
Lucas numbers are define by: $L_n=F_n+2F_{n-1}$
Usage
fibnum(n)
fibnum2(n)
lucnum(n)
lucnum2(n)
Value
- Fibonacci numbers and Lucas number.
References
- Gnu MP Library see http://swox.com/gmp,
- Home page: http://mulcyber.toulouse.inra.fr/projects/gmp/
[object Object]fibnum(10)
fibnum2(10)
lucnum(10)
lucnum2(10)
arith