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Topic: Calculating orthocentre of triangle
Replies: 4   Last Post: Mar 15, 2002 1:15 AM

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Jon Roberts

Posts: 47
Registered: 12/6/04
Re: Calculating orthocentre of triangle
Posted: Oct 20, 1999 1:50 AM
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The centroid divides the segment joining the circumcentre and the
orthocentre in the ratio 2:1. The centroid is the average of the
triangle's vertices, and if there is a similar neat formula for the
circumcentre, then the orthocentre would be calculable from that.

Arne wrote:

> I need to calculate the orthocentre of a triangle. The only info
> available to me are the coordinates of the endpoints of the triangle.
> I would like to use matlab to calculate the orthocentre.
> Any ideas???

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