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# TRANSFORMATION

A set of transitions (Ashby) from the possible states of a system to their respective successors. In whatever language a transformation is stated, it should spell out the set of operands or states to which the transformation applies (*see* domain) and the set of transforms which result from applying that transformation (*see* range). A mathematical function, e.g., y=f(x), is one form of transformation, a code, a transition matrix, a causal network, a Petri-graph and a set of rewrite rules are others. (Krippendorff)

URL= http://cleamc11.vub.ac.be/ASC/TRANSFORMAT.html