From: bo on 17 Mar 2010 11:14 I got a series of 3D data taken on a surface.Among these data, there are 3 curves which need to be found using regression modeling.I can ideal assume 1 of the plane is for example x=0 then apply in 2D polyfit.But how to do it in 3D polyfit, if all xyz values are present.Thanks for help
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