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Determine whether array is empty
TF = isempty(A)
TF = isempty(A) returns logical 1 (true) if A is an empty array and logical 0 (false) otherwise. An empty array has at least one dimension of size zero, for example, 0-by-0 or 0-by-5.
B = rand(2,2,2); B(:,:,:) = []; isempty(B) ans = 1
is*
