numberOfRealRoots: Number of real roots
In resultant: Utilities for Multivariate Polynomials with Rational Coefficients
View source: R/numberOfRealRoots.R
numberOfRealRoots R Documentation
Number of real roots
Description
Number of distinct real roots of a univariate polynomial.
Usage
numberOfRealRoots(qspray)
Arguments
qspray
a univariate qspray polynomial
Value
An integer, the number of real roots of the polynomial.
Note
The roots are not counted with their multiplicity.
Examples
library(resultant)
x <- qlone(1)
P <- 2*x^4 + x^3 - 3*x^2 - x + 1
numberOfRealRoots(P)
resultant documentation built on Sept. 11, 2024, 8:01 p.m.
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View source: R/numberOfRealRoots.R
| numberOfRealRoots | R Documentation |
Number of real roots
Description
Number of distinct real roots of a univariate polynomial.
Usage
numberOfRealRoots(qspray)
Arguments
qspray |
a univariate |
Value
An integer, the number of real roots of the polynomial.
Note
The roots are not counted with their multiplicity.
Examples
library(resultant)
x <- qlone(1)
P <- 2*x^4 + x^3 - 3*x^2 - x + 1
numberOfRealRoots(P)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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