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R
polynom

plot.polynomial

Plot Method for Polynomials

Description

Plots polynomials, optionally allowing the “interesting” region to be automatically determined.

Usage

## S3 method for class 'polynomial'
plot(x, xlim = 0:1, ylim = range(Px), type = "l",
                len = 1000, ..., xlab = "x", ylab = "P(x)")

Arguments

x

an object of class "polynomial".
xlim

the range to be encompassed by the x axis.
ylim

the range to be encompassed by the y axis.
type

as for plot().
len

number of x points drawn.
...

additional arguments as for plot.
xlab,ylab

graphical parameters.

Details

This is a method for the generic function plot.

A plot of the polynomial is produced on the currently active device. Unless otherwise specified, the domain is chosen to enclose the real parts of all zeros, stationary points and zero itself.

See Also

Examples

plot(p <- poly.calc(-1:5))
polynom

A Collection of Functions to Implement a Class for Univariate Polynomial Manipulations

v1.4-0
GPL-2
Authors
Bill Venables [aut, cre] (S original), Kurt Hornik [aut] (R port), Martin Maechler [aut] (R port)
Initial release

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