Linked Questions
14 questions linked to/from Fitting points to tilted, off-center ellipse
18
votes
3
answers
6k
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Fitting ellipse to 5 given points on the plane
Five points are required to define a unique ellipse. An ellipse has five degrees of freedom: the $x$ and $y$ coordinates of each focus, and the sum of the distance from each focus to a point on the ...
20
votes
2
answers
1k
views
Visualization: elliptical insights into data sets…
I was recently reading the following paper on visualization techniques using ellipses to gain statistical insights. Elliptical visualization for looking at correlations has briefly been touched on ...
7
votes
5
answers
3k
views
An easier way to find the properties of an ellipse from its equation?
In this Q&A about fitting an ellipse to a set of points, there are multiple answers that generated general equations of the ellipse, like this one by @ubpdqn:
However, the steps to find out the ...
12
votes
4
answers
8k
views
How to fit a surface to 3D data in Mathematica?
I have a set of data coordinates which is mostly compatible with an Ellipsoid:
{{x1,y1,z1},{x2,y2,z2}, ... , {xn,yn,zn}}
Now I want to find the best 3d volume ...
5
votes
3
answers
4k
views
Fitting data to a circle with FindFit
I'm currently trying to use the Mathematica's FindFit command to fit a curve of some data to the bottom half of a circle. The data is of the form
...
4
votes
5
answers
1k
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How to use Mathematica to plot an ellipse given foci and semimajor axis?
How can I use Mathematica (version 9) to plot an ellipse, given the coordinates of its two foci and the length of its semimajor axis, where the major axis is not necessarily parallel to either the $x$-...
7
votes
5
answers
683
views
How to fit an ellipse to 2D data points?
All code in the question is a slight modification of code here.
First I use a method george2079 used to make random points near an ellipse.
...
13
votes
2
answers
286
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Why BoundingRegion does not work well?
Bug introduced in 8 or earlier and fixed in 12.0.0
The underlying bug is unstable and wrong rendering of Disk[] and Circle[] ...
2
votes
2
answers
1k
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Find the values of 3 variables that best fit 6 equations [duplicate]
I have 6 equations
...
8
votes
2
answers
263
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Behaviour of RegionDistance with Ellipse?
The data is:
data = {{13, 60}, {36, 35}, {70, 29}, {106, 41}, {118, 72}, {94,
94}, {49, 99}, {24, 85}};
When I try to find a fit circle,So my method is work ...
2
votes
3
answers
405
views
How to fit implicit function based on an image in mathematica?
I know how to make a plot given a function, but I don't know how to get implicit function based on an image.
For example, I have the image shown below (thumbnail):
Full size image import:
...
1
vote
3
answers
168
views
Fitting C-shaped points with right-pointing parabola, ellipse, circle or other
I was trying to fit the following points:
...
0
votes
2
answers
720
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fitting an ellipse to a data
I want to fit an ellipse model to a data. This sample data I extracted from a simple parametric plot of 2 Sin[t], Cos[t](Let's say, I don't know that) and I want to ...
3
votes
0
answers
961
views
Fitting a rotated ellipse to data points [closed]
I have a bunch of x,y scatter data and I am trying to fit an ellipse through them. I understand that this question has been asked before and there are resources for this, e.g.:
Fitting ellipse to 5 ...