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group[mulperms] - multiply two permutations in disjoint cycle notation
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Calling Sequence
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mulperms(perm1, perm2)
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Parameters
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perm1, perm2
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the permutations in disjoint cycle notation
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Description
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The product is expressed in disjoint cycle notation.
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The command with(group,mulperms) allows the use of the abbreviated form of this command.
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Examples
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![mulperms([[2, 3, 4], [1, 6]], [[4, 6]])](/support/helpjp/helpview.aspx?si=8723/file04191/math51.png)
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![[[1, 4, 2, 3, 6]]](/support/helpjp/helpview.aspx?si=8723/file04191/math54.png)
| (1) |
The following convention is used for the order of the multiplication: The product is the permutation obtained by first applying perm1, and then perm2. Therefore, the result of the following operation will not be [[2,3]] but [[1,3]].
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![mulperms([[1, 2]], [[1, 2, 3]])](/support/helpjp/helpview.aspx?si=8723/file04191/math64.png)
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![[[1, 3]]](/support/helpjp/helpview.aspx?si=8723/file04191/math67.png)
| (2) |
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