“symmetric function”的概念、定义、翻译、参考文献-科学参考

单词	symmetric function
释义	symmetric function Mathematics A function f on n variables x₁,x₂,…,x_n is symmetric if $f (x_{σ (1)}, x_{σ (2)}, \dots, x_{σ (n)}) = f (x_{1}, x_{2}, \dots, x_{n})$ for all permutations σ‎ of n variables. See elementary symmetric polynomial. Computer A function f(x₁,x₂,…x_n) whose value is unaltered by any permutation of its n variables. Such functions arise repeatedly in switching theory.
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