# permutation

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## permutation

(pĕr″mū-tā′shŭn) [L. per, completely, + mutare, to change]
Transformation; complete change; act of altering objects in a group.
References in periodicals archive ?
The goal is to permute the rows and columns of a given graph such that the non-zero entries form as thin a "band" as possible along the main diagonal.
This gain is larger than the gain in the wc and permute tests, since more data copies are eliminated.
As the input to the permute and delete atoms is located in respectively their first and second argument, one would naturally select a level mapping:
The method permute the pixels by transforming the nucleotide into its base pair for random times, the other is to generate the new keys according to the plain image and the common keys, which can make the initial conditions of the chaotic maps change automatically in every encryption process.
4) a routine to permute the columns of a sparse matrix and a routine to permute the rows of a full matrix.
This is because the time required to permute each element is proportional to the total size of the contingency table, whereas for the Markov chain method, computation time does not increase much with the number of subpopulations, the number of alleles, or the total size of all samples (results not shown).
If it were possible to randomly permute the list of items to be inserted, trees would work well with high probability for any input sequence.
Il a affirme avoir permute avec un autre steward avec le consentement du chef de secteur.
For the experiments, we scale and permute A from (1.
The key step is to remove some inessential moves from the James-Peel tree for D(w), namely those which only permute rows or columns.
Noting that, given two subgroups H and K of a group G, the product HK = {hk | h [member of] H, k [member of] K} is not always a subgroup of G, one says that the subgroups H and K permute if HK = KH, or equivalently, if HK is a subgroup of G.

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