Laplacian: Difference between revisions
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imported>Gemma E. Mason (Notation and definition in Cartesian, spherical and cylindrical co-ordinates.) |
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Revision as of 00:17, 3 September 2010
The Laplacian is a differential operator of the form
where are Cartesian (that is, rectangular) co-ordinates. The Laplacian is usually denoted by the symbol or written as the gradient squared .
In cylindrical co-ordinates, the Laplacian takes the form
In spherical co-ordinates, the Laplacian is