John Smith
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 Jan 18 comment What is the PDE called where rate of change is proportional to the velocity? $V$ is the gradient of a function $f$ which depends on $\phi$. Jan 16 awarded Tumbleweed Jan 9 asked What is the PDE called where rate of change is proportional to the velocity? Jan 3 comment Does Voronoi tessellation in 3D always produce convex polyhedrons? Can we prove this please (convex polyhedrons have all convex faces)? Jan 3 accepted Does Voronoi tessellation in 3D always produce convex polyhedrons? Jan 3 asked Does Voronoi tessellation in 3D always produce convex polyhedrons? Sep 22 awarded Suffrage Sep 21 answered Calculus and Physics Help! Sep 16 answered How to prove it using Mean Value Theorem Sep 16 awarded Supporter Sep 15 awarded Teacher Sep 15 answered What is this inequality called? Sep 8 awarded Scholar Sep 8 accepted Prove with MATLAB whether a set of n points is coplanar Sep 8 comment Prove with MATLAB whether a set of n points is coplanar Great!! That covers it all. Appreciate your time and effort :) Sep 8 comment Prove with MATLAB whether a set of n points is coplanar Thanks Tpofofn.. I think I am almost there but I need two more clarifications.. 1. How can you say V*U=0 is the equation of the least squared plane? and 2. Why is there a need to evaluate coefficient D in the equation of plane at the end? Any thoughts? Sep 8 comment Prove with MATLAB whether a set of n points is coplanar anybody?? I need this urgently. I have a test tonight. Sep 8 comment Prove with MATLAB whether a set of n points is coplanar It still doesn't answer my basic question that why does the eigenvector corresponding to least eigenvalue of matrix A gives the coefficient of the least squared plane and why is there the needs to obtain the parameter D, in the equation of the plane, using the mean points at the end. Sep 8 awarded Student Sep 8 asked Prove with MATLAB whether a set of n points is coplanar