steepest slope direction on the plane -- CFD Online Discussion Forums

July 6, 2005, 23:24	steepest slope direction on the plane	#1
Patrick Guest Posts: n/a	The plane is given by three points(P1, P2, P3). It's 3D. How to get the the steepest slope direction vector on this plane? It looks like a high school geometry problem. But I forget those things. thanks!

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