**comp.graphics.algorithms**

## Subject: **Re: common point of two planes**

thank you, but could you be more specific, i'm not trained in systems

of equations and Gaussian elimination but I was thinking that it works

only for square matrices, could you please tell me how to compose such

matrix ???

i know that two planes intersect at a line, i can compute directional

vector of this line by taking cross-product of the normal vectors of

the plane (which i think is fast from computational time point of

view), but to fully specify the intersection line i need one point

which lie on the intersection line and on both planes, so if there some

fast way how to compute common point of two planes than the whole plane

x plane intersection could be fast well

jindra

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