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geometry

 MajorAxis
 find the length of the major axis of a given ellipse

 Calling Sequence center(e)

Parameters

 e - ellipse

Description

 • The routine returns the length of the major axis of the given ellipse e.
 • The line segment through the foci and across the ellipse is called the major axis.
 • The command with(geometry,MajorAxis) allows the use of the abbreviated form of this command.

Examples

 > $\mathrm{with}\left(\mathrm{geometry}\right):$
 > $\mathrm{ellipse}\left(\mathrm{e1},2{x}^{2}+{y}^{2}-4x+4y=0,\left[x,y\right]\right):$
 > $\mathrm{MajorAxis}\left(\mathrm{e1}\right)$
 ${2}{}\sqrt{{6}}$ (1)