Hello.
I'm trying to compare a value in a 2-D matrix with its 4 neighbours.
I think I could use row() and col() and use x[row(x)] and x[row(x)-1] etc...,
but I can't see how it would work.
Also, any way of having a matrix fill itself with its own coordinates would
also work.
Any ideas please.
Simon Parker
Imperial College
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