Issue No. 08 - August (1990 vol. 12)
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/34.57673
<p>Correction is made and an elementary derivation is given of Clark's decomposition of the Laplacian Delta /sup 2/f(x,y) into a second directional derivative in the gradient direction of f, and a product of gradient magnitude by curvature of the level curve through f(x,y).</p>
Laplacian; decomposition; second directional derivative; calculus
M. Piech, "Decomposing the Laplacian," in IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 12, no. , pp. 830-831, 1990.