del2

Core Math

Discrete Laplacian of a 2-D matrix. Returns a matrix of the same size where each element is the average of its neighbors minus the element itself, divided by 4. Boundary elements use only available neighbors.

Syntax

del2(F)

Examples

del2([1 2 3; 4 5 6; 7 8 9])
▶ Run

See Also

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