Affine Gradient from Mesh Gradient

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Affine Gradient from Mesh Gradient #13

Closed yujanshrestha closed 6 years ago

yujanshrestha commented 6 years ago

Convert a mesh gradient (cost/dx, cost/dy, cost/dz) as an Nx3 vector into an affine gradient (cost/translation, cost/rotation, etc) as a 4x4 affine matrix.