R: Geometric Series

GeomSn {DescTools} | R Documentation

## Geometric Series

### Description

A geometric sequence is a sequence, such that each term is given by a multiple of q of the previous one. A geometric series consists out of the sum of all former values of a geometric sequence..

### Usage

    GeomSn(a1, q, n)

### Arguments

`a1` | the first element of the sequence
`q` | the factor of the sequence
`n` | number of elements to include in the sum

### Value

the sum as numeric value

### Author(s)

Andri Signorell <andri@signorell.net>

### See Also

`sum`

### Examples

    GeomSn(a1=3, q=2, n=5)

    # calculates the sum of the first 5 elements of the sequence
    (gseq <- 3 * (2^(0:5)))
    sum(gseq)

    GeomSn(a1=3, q=2, n=0:5)

[Package DescTools version 0.99.26 Index]