# Symmetric-function

**noun**, Mathematics.

1.

a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.

Tagged: s

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- Symmetric-group
noun, Mathematics. 1. the group of all permutations of a finite set.

- Symmetric key cryptography
cryptography A cryptography system in which both parties have the same encryption key, as in secret key cryptography. Opposite: public-key cryptography. (1998-06-09)

- Symmetric lisp
A parallel Lisp in which environments are first-class objects. It is implemented in Common LISP. [“Parallelism, Persistence and Meta-Cleanliness in the Symmetric Lisp Processor”, D. Gelernter et al, SIGPLAN Notices 22(7):274-282 (July 1987)]. [“A Programming Language Supporting First-Class Parallel Environments”, S. Jagannathan, MIT-LCS/TR 434, 1989]. E-mail: Suresh Jagannathan . (1995-03-16)

- Symmetric-matrix
noun, Mathematics. 1. a matrix with the lower-left half equal to the mirror image of the upper-right half; a matrix that is its own transpose. symmetric matrix noun 1. (maths) a square matrix that is equal to its transpose, being symmetrical about its main diagonal. A skew symmetric matrix is equal to the negation of […]