compute power of a given point with respect to a given sphere - Maple Help

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geom3d[powerps] - compute power of a given point with respect to a given sphere

Calling Sequence

powerps(P, s)

Parameters

P

-

point

s

-

sphere

Description

• 

The power of point P with respect to sphere s is R2+d2 where d is the distance from point P to the center of s, and R is the radius of s.

• 

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

Examples

withgeom3d:

pointo&comma;X&comma;Y&comma;Z&colon;assume0<k&colon;

spheres&comma;o&comma;k&colon;

pointP&comma;x1&comma;y1&comma;z1&colon;

powerpsP&comma;s

Xx12&plus;Yy12&plus;Zz12k~2

(1)

See Also

geom3d[inversion]


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