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Magma[Center] - compute the center of a magma
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Calling Sequence
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Center( m )
Centre( m )
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Parameters
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m
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Array representing the Cayley table of a finite magma
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Description
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The center of a magma is the set of its members that both commute and associate with every member of the magma. Alternatively, it is the intersection of the nucleus and the commutant.
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The Center command returns the center of the magma m as a set. The spelling Centre is also supported as a synonym.
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Compatibility
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The Magma[Center] command was introduced in Maple 15.
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Examples
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![m := Matrix([[1, 2, 3], [2, 3, 1], [3, 1, 2]])](/support/helpjp/helpview.aspx?si=8547/file02095/math75.png)
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![m := Matrix([[1, 1, 1, 1, 1], [1, 1, 1, 1, 1], [1, 1, 1, 1, 1], [1, 1, 1, 2, 4], [1, 2, 2, 4, 5]])](/support/helpjp/helpview.aspx?si=8547/file02095/math89.png)
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![m := Matrix([[1, 1, 1, 1, 1], [1, 1, 1, 1, 1], [1, 1, 1, 1, 1], [1, 1, 1, 2, 4], [1, 2, 1, 4, 5]])](/support/helpjp/helpview.aspx?si=8547/file02095/math103.png)
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