Tag Archives: Radius

Finding Circle Centres in 3D

Posted on 18/08/2009 by dougaj4

In 2 new functions for IP.xls I described two Excel User Defined Functions (UDFs) to find the radius and centre of a circle defined by 3D coordinates for either 3 points on the circumference, or for two tangent points and the … Continue reading →

Posted in Coordinate Geometry, Excel, Maths, Newton, UDFs, VBA | Tagged 3D coordinates, Center, Circle Centre, direction cosines, Excel, IP2.xls, Radius, UDF, VBA | 5 Comments

Two new functions for IP.xls

Posted on 18/07/2009 by dougaj4

Edit 8 Feb 2012: The functions described below have been superseded by new versions which are described at https://newtonexcelbach.wordpress.com/2009/08/18/finding-circle-centres-in-3d/. That link also gives a description (with diagrams!) of how the functions work. The download file for the new versions is … Continue reading →

Posted in Excel, Maths, UDFs, VBA | Tagged Center, Circle Centre, Excel, IP.xls, Radius, UDF, VBA | 8 Comments

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Tag Archives: Radius

Finding Circle Centres in 3D

Two new functions for IP.xls

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