On Tue, Jul 02, 2013 at 10:03:47AM -0700, Kiarash Zamani Aghaie wrote: > I personally prefer to get the representation of the polynomial in the > physical coordinates. However, I guess that using a simple scaling, we > can obtain the coefficients in other representations.
Well, simple scaling and shifting of two dimensional polynomials involves some two-dimensional binomial expansions... So it is possible but not altogether straightforward. I implemented the display and export of coefficients (try snapshot 2.31.20130705 or later). Unfortunately, the simple case used fitting of two dimensional Legendre polynomials scaled to range [-1,1] internally before. This was faster and more stable but I found the coefficients to be just bloody too complicated (and error prone) to recalculate to coefficients of plain powers. The net result is that the instant preview is somewhat less instant for high degrees now. Regards, Yeti ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ Gwyddion-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gwyddion-users
