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This function binarises an array, setting all nonzero elements to unity.
binarise(x)
A morphed array with the same dimensions as the original array.
An object that can be coerced to an array, or for which a morph method exists.
morph
Jon Clayden <code@clayden.org>
morph for the function underlying this operation, and erode for mathematical morphology functions.
erode