<Ul> <Li> The divisions (± 0) / (± 0) and (± ∞) / (± ∞). </Li> <Li> The multiplications (± 0) × (± ∞) and (± ∞) × (± 0). </Li> <Li> The additions (+ ∞) + (− ∞), (− ∞) + (+ ∞) and equivalent subtractions (+ ∞) − (+ ∞) and (− ∞) − (− ∞). </Li> <Li> The standard has alternative functions for powers: <Ul> <Li> The standard pow function and the integer exponent pown function define 00, 1, and ∞ 0 as 1 . </Li> <Li> The powr function defines all three indeterminate forms as invalid operations and so returns NaN . </Li> </Ul> </Li> </Ul> <Li> The divisions (± 0) / (± 0) and (± ∞) / (± ∞). </Li> <Li> The multiplications (± 0) × (± ∞) and (± ∞) × (± 0). </Li> <Li> The additions (+ ∞) + (− ∞), (− ∞) + (+ ∞) and equivalent subtractions (+ ∞) − (+ ∞) and (− ∞) − (− ∞). </Li>

Data = size(data) 1 == 0 nan data