2005/08/19 | 可换性[Commutative]
类别(∑〖数学〗) | 评论(0) | 阅读(24) | 发表于 20:17
Two elements and of a set are said to be commutative under a binary operation if they satisfy
(1)

Real numbers are commutative under addition
(2)

and multiplication
(3)

The Mathematica attribute that sets a function to be commutative is Orderless.
0

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