The process or result of making or becoming different
This permutation by a transposition of two numbers, say a, 13, becomes 0, a, 7, ...
Separation anxiety disorder is one permutation of anxiety disorders that is common in children.
By this permutation, Aleph, the first letter of the alphabet, becomes Lamed, the twelfth letter; Beth becomes Mem, and so on.
a and 13 are transposed, and it is clear that the number of transpositions necessary to convert the permutation say...v of the second suffixes to the natural order is changed by unity.
normalized so that the first row is the identity permutation?