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Continue to ChatOn the accuracy of first-order numerical derivatives in multidimensional digital waveguide mesh topologies - https://avesis.metu.edu.tr/yayin/81dcbc9e-108c-477d-996c-24ea8bdbf3b8/on-the-accuracy-of-first-order-numerical-derivatives-in-multidimensional-digital-waveguide-mesh-topologies