image thumbnail

ELLIPSATE

version 1.0.0.0 (1.59 KB) by R P
circumscribe data into an ellipse

614 Downloads

Updated 11 Apr 2013

View License

Syntax: [ ellipseX , ellipseY ] = ellipsate( dataX , dataY , stdev )

Example:
data=mvnrnd([0.5 1.5], [0.025 0.03 ; 0.03 0.16], 100);
dataX=data(:,1);
dataY=data(:,2);
stdev = 2; %# 2 standard deviations, 95% of population
[ ellipseX , ellipseY ] = ellipsate( dataX , dataY , stdev );
plot(dataX, dataY, '.')
axis square
hold on
plot(ellipseX , ellipseY, 'r')

Function based on the code of Amro, described in
http://stackoverflow.com/questions/3417028/ellipse-around-the-data-in-matlab

Cite As

R P (2022). ELLIPSATE (https://www.mathworks.com/matlabcentral/fileexchange/41245-ellipsate), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R13
Compatible with any release
Platform Compatibility
Windows macOS Linux
Tags Add Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!