[K,H,P1,P2] = surfature(X,Y,Z) returns the gaussian curvature of a surface (K), mean curvature (H), and principal curvatures (P1,P2). The inputs (X,Y,Z) are 2D arrays corresponding to the surface being analyzed. Example [X,Y,Z] = peaks [K,H,P1,P2] = surfature(X,Y,Z) surf(X,Y,Z,H, facecolor , interp ) set(gca, clim ,[-1,1])

surfature.m

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