permutation [,pə:mju:'teiʃən]

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n. replacement��substitution��switch��transposition

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1. The permutation is even if the number of in versions it contains is even.
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2. The block cipher with a substitution permutation network is the best known and widely used block cipher system.
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3. To present a new application of permutation entropy method for automatic brain consciousness task classification.
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n.
  1. an event in which one thing is substituted for another
  2. the act of changing the arrangement of a given number of elements
  3. complete change in character or condition
  4. act of changing the lineal order of objects in a group

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permutation
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cyclic permutation
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permutation decoding
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permutation graph
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loop permutation
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