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geometry

  

projection

  

find the projection of a given point on a given line

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

projection(Q, P, l)

Parameters

Q

-

the name of the point to be created

P

-

point

l

-

line

Description

• 

The routine finds the projection Q of point P on line l.

• 

For a detailed description of the point to be created Q, use the routine detail (e.g., detail(Q))

• 

The command with(geometry,projection) allows the use of the abbreviated form of this command.

Examples

withgeometry:

pointP,2,3,linel,m+n=1,m,n

P,l

(1)

projectionQ,P,l

Q

(2)

formQ

point2d

(3)

coordinatesQ

0,1

(4)

See Also

geometry[line]

geometry[ParallelLine]

geometry[PerpenBisector]

geometry[PerpendicularLine]

geometry[point]

 


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