del2

(/tools/hpmatlab/toolbox/matlab/datafun/del2.m)

Function Synopsis

V = del2(U)

Help text

DEL2	Five-point discrete Laplacian.
	V = del2(U) is a matrix the same size as U with each element
	equal to the difference between an element of U and the average
	of its four neighbors.  For the "corners" and "edges", only two
	or three neighbors are used.

	See also GRADIENT, DIFF.

Cross-Reference Information

end            /tools/hpmatlab/toolbox/matlab/lang/end.m
if             /tools/hpmatlab/toolbox/matlab/lang/if.m
size           /tools/hpmatlab/toolbox/matlab/general/size.m