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Neologism based on the English prefix contra- and gredient. Gredient may be based on the English word grid, since the mathematical objects referred to as contragredient are often represented as grids of numbers.


contragredient (not comparable)

  1. (mathematics) Generally, an object contragredient to another is the object inversed and transposed.
  2. (mathematics) A contragredient representation in linear algebra is the transpose of the former representation of an inverse object.
  3. (mathematics) A contragredient matrix is a transpose of an inverse matrix.

Derived terms[edit]