Coerce polynomial object to character

Description

Coerces a polynom object to a printable character representation.

Usage

## S3 method for class 'polynom'
as.character(x, variable = "x", decreasing = FALSE, ...)

Arguments

Details

The character string may be parsed into an expression for the polynomial itself.

Value

A character string.

Author(s)

Bill Venables, with contributions from Kurt Hornik

References

None

Examples

p <- poly.from.zeros(-2:4)
as.character(p)
# "48*x - 28*x^2 - 56*x^3 + 35*x^4 + 7*x^5 - 7*x^6 + x^7"

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(PolynomF)
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/PolynomF/as.character.polynom.Rd_%03d_medium.png", width=480, height=480)
> ### Name: as.character.polynom
> ### Title: Coerce polynomial object to character
> ### Aliases: as.character.polynom
> ### Keywords: symbolmath
> 
> ### ** Examples
> 
> p <- poly.from.zeros(-2:4)
> as.character(p)
[1] "48*x - 28*x^2 - 56*x^3 + 35*x^4 + 7*x^5 - 7*x^6 + x^7"
> # "48*x - 28*x^2 - 56*x^3 + 35*x^4 + 7*x^5 - 7*x^6 + x^7"
> 
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>