Description Usage Arguments Format Value Author(s) Source References Examples
AtoG
converts algebraic parameters (A, B, C, D, E, F) to
geometric parameters (Center(1:2), Axes(1:2), Angle).
1 | AtoG(ParA)
|
ParA |
vector or array with geometric parameters (A, B, C, D, E, F) |
code is: -1 - degenerate cases 0 - imaginary ellipse 4 - imaginary parell lines 1 - ellipse 2 - hyperbola 3 - parabola
list(ParG, exitCode |
list with algebraic parameters (Center(1:2), Axes(1:2), Angle) and exit code |
Jose Gama
Nikolai Chernov, 2014 Fitting ellipses, circles, and lines by least squares http://people.cas.uab.edu/~mosya/cl/
Nikolai Chernov, 2010 Circular and linear regression: Fitting circles and lines by least squares Chapman & Hall/CRC, Monographs on Statistics and Applied Probability, Volume 117
Nikolai Chernov, 2014 Fitting ellipses, circles, and lines by least squares http://people.cas.uab.edu/~mosya/cl/
Nikolai Chernov, 2010 Circular and linear regression: Fitting circles and lines by least squares Chapman & Hall/CRC, Monographs on Statistics and Applied Probability, Volume 117
1 |
Loading required package: pracma
Loading required package: geigen
$ParG
[,1]
[1,] 2.7009607
[2,] 3.8165845
[3,] 6.5206056
[4,] 3.0323167
[5,] 0.3595856
$exitCode
[1] 1
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