Spline Matrix Tutorial METRIC Domain.sm (88 KiB) downloaded 71 time(s).

The bivariate "linterp" is reputed behaves like Quadratic

Spline Matrix Tutorial METRIC Domain EXPLORER.sm (14 KiB) downloaded 72 time(s).

Hello.
I think I understand the idea. I will think about this. Thank you for your insistence. However, it also counted the very simple and schematic form you used here and you did not use it on the other subject. With respect and all the best.