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RConics: a free and open-source package for computations on conics and much more

Based on projective geometry.

This is an ongoing project.

If you have any questions, comments or suggestions, feel free to contact me (in english, french or german): emanuel.huber@pm.me

Thank you!

Chek the companion website

https://emanuelhuber.github.io/RConics/

How to install

You must first install R. Then, in R console, enter the following:

if(!require("devtools")) install.packages("devtools")
devtools::install_github("emanuelhuber/RConics")
library(RConics)

Alternatively, you can download the package as a zip file and install it in R following these instructions:

https://riptutorial.com/r/example/5556/install-package-from-local-source

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Version

Install

install.packages('RConics')

Monthly Downloads

1,044

Version

1.1.2

License

GPL (>= 2)

Issues

Pull Requests

Stars

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Maintainer

Emanuel Huber

Last Published

February 17th, 2025

Functions in RConics (1.1.2)

pEllipticInt

Partial elliptic integral
intersectConicConic

Intersection between two conics
intersectConicLine

Intersections between a conic and a line
polar

Polar line of point with respect to a conic
skewSymmetricMatrix

\((3 \times 3)\) skew symmetric matrix
rotation

Affine planar transformations matrix
splitDegenerateConic

Split degenerate conic
ellipseToConicMatrix

Transformation of the ellipse parameters into the matrix representation
colinear

Test for colinearity
arcLengthEllipse

Arc length of an ellipse
cubic

Roots of the cubic equation.
ellipse

Return ellipse points
conicThrough5Points

Compute the conic that passes through 5 points
cofactor

\((i,j)\)-cofactor and \((i,j)\)-minor of a matrix
conicMatrixToEllipse

Transformation of the matrix representation of an ellipse into the ellipse parameters
RConics-package

RConics: Computations on conics
adjoint

Adjoint matrix
addLine

Plot a "homogeneous" line to a plot.
quadraticFormToMatrix

Transformation of the quadratic conic representation into the matrix representation.
join

The join and meet of two points and the parallel