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# plot_ellipse

Draw an ellipse on the current plot

plot_ellipse(a, ls) draws an ellipse defined by X'AX = 0 on the current plot, centred at the origin, with Matlab line style ls.

plot_ellipse(a, C, ls) as above but centred at C=[X,Y]. current plot. If C=[X,Y,Z] the ellipse is parallel to the XY plane but at height Z.

H = plot_circle(C, R, options) as above but return handles. For multiple circles H is a vector of handles, one per circle.

## Options

'edgecolor' | the color of the circle's edge, Matlab color spec
'fillcolor' | the color of the circle's interior, Matlab color spec
'alpha' | transparency of the filled circle: 0=transparent, 1=solid
'alter', H | alter existing circles with handle H

## See also

plot_circle

© 1990-2014 Peter Corke.