R: Compute Fibonacci and Lucas numbers

lucnum {gmp} | R Documentation

## 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: Fn=Fn-1 + Fn-2 Lucas numbers are define by: Ln=Fn + 2Fn-1

### Usage

    fibnum(n)
    fibnum2(n)
    lucnum(n)
    lucnum2(n)

### Arguments

`n` | Integer

### Value

Fibonacci numbers and Lucas number.

### Author(s)

Antoine Lucas

### References

The GNU MP Library, see https://gmplib.org

### Examples

    fibnum(10)
    fibnum2(10)
    lucnum(10)
    lucnum2(10)

[Package gmp version 0.6-2 Index]