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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.

To report bugs and contribute to the development of RGPR, see how to contribute.

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

Thank you!

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

890

Version

1.1.1

License

GPL (>= 2)

Issues

Pull Requests

Stars

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Maintainer

Emanuel Huber

Last Published

March 11th, 2022

Functions in RConics (1.1.1)

quadraticFormToMatrix

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

Affine planar transformations matrix
splitDegenerateConic

Split degenerate conic
intersectConicConic

Intersection between two conics
intersectConicLine

Intersections between a conic and a line
addLine

Plot a "homogeneous" line to a plot.
adjoint

Adjoint matrix
polar

Polar line of point with respect to a conic
join

The join and meet of two points and the parallel
pEllipticInt

Partial elliptic integral
skewSymmetricMatrix

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

Arc length of an ellipse
conicMatrixToEllipse

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

RConics: Computations on conics
conicThrough5Points

Compute the conic that passes through 5 points
ellipse

Return ellipse points
cubic

Roots of the cubic equation.
cofactor

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

Test for colinearity
ellipseToConicMatrix

Transformation of the ellipse parameters into the matrix representation