27 lines
382 B
Matlab
Executable File
27 lines
382 B
Matlab
Executable File
function [xe,ye]=ellipplot(P,gamma,ecolor,xc)
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%ELLIPPLOT Internal function for plotting ellipsoid
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if nargin<4
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xc = zeros(length(P),1);
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end
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if nargin<3
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ecolor = [1 0 0];
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end
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if nargin<2
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gamma = 1;
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end
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P=P/gamma;
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P=chol(P);
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theta = linspace(-pi,pi,1000);
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z = [cos(theta); sin(theta)];
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x = inv(P)*z;
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for n=1:length(x)
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x(:,n)=x(:,n)+xc;
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end;
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fill(x(1,:),x(2,:),ecolor) |