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The nabla operator is used to simplify notations when x-, y- and z-components can occur.



The symbol is used in vector calculus in three distinct differential operators for the gradient f, for the divergence ∇⋅, and for the rotation ∇×.


Example 1

The Laplacian Δ is a differential operator given by the divergence of the gradient of a function f  on Euclidean space


Extra informatiion

The Scottish physicist Peter Tait (1831 - 1901) has suggested the nabla symbol.


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