## Definitions

### from Wiktionary, Creative Commons Attribution/Share-Alike License

- n. Alternative capitalization of Pfaffian

### from The Century Dictionary and Cyclopedia

- n. In mathematics, the coefficient of the product of the alternate units in the nth power of a linear function of the binary products of 2n alternate units.

## Etymologies

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## Examples

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mollusque commented on the word pfaffian

An analog of the determinant defined only for a 2n x 2n antisymmetric matrix. It is a polynomial of the polynomial ring in elements of the matrix, such that its square is equal to the determinant of the matrix.

May 3, 2008