Calculating Derivatives on a Triangular Grid

You thought we can only calculate derivatives on a rectangular grid? Then read this and we will convince you of the opposite. Triangles can sometimes be a bit frightening. Here we show you how to make friends with them. Let’s make friends!

• Part 1: Deriving Derivatives on Triangular Grid
• Part 2: Verification of Derivative Function

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Selecting and Reindexing of Area of Interest

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Part 1: Deriving Derivatives on Triangular Grid