Step
3D• Step[n, i, j, k] represents a special step function. Step returns 1 if the member of {i, j, k} indicated by index n is greater than the other members, 0 otherwise. • Step is used to develop the piecewise continuous expressions used to represent the transformation of an axis with an unspecified reference direction.
• Step is not defined for complex numbers.
• See also: ReferenceDirection.
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