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The routine finds the midpoint of two points A, B, or of a segment seg.

For a detailed description of the midpoint C, use the routine detail (i.e., detail(C))

The command with(geom3d,midpoint) allows the use of the abbreviated form of this command.

$\mathrm{with}\left(\mathrm{geom3d}\right)\:$

$\mathrm{point}\left(A\,a\,b\,c\right),\mathrm{point}\left(B\,d\,e\,f\right)\:$

$\mathrm{midpoint}\left(C\,A\,B\right)$

$C$

$\mathrm{coordinates}\left(C\right)$

$\left[\frac{a}{2}+\frac{d}{2}\,\frac{b}{2}+\frac{e}{2}\,\frac{c}{2}+\frac{f}{2}\right]$