# adjoint

[aj-oint]

- a square matrix obtained from a given square matrix and having the property that its product with the given matrix is equal to the determinant of the given matrix times the identity matrix.
- Also called Hermitian conjugate, transposed conjugate. the matrix obtained from a given matrix by interchanging rows and columns and by replacing each element by its complex conjugate.

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## Origin of adjoint

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for adjoint

### Historical Examples of adjoint

As soon as she had left the room, Leigh dropped the ten louis into the adjoint's hand.

No Surrender!G. A. Henty

In addition to the pass, the adjoint had given Leigh a note to his cousin.

No Surrender!G. A. Henty

He was allowed to see his adjoint, who came to him with a troubled face.

Leaves from a Field Note-BookJ. H. Morgan

In 1650 Girardon was made member of the Academy, in 1659 professor, in 1674 “adjoint au recteur,” and finally in 1695 chancellor.

## adjoint

- maths
- another name for Hermitian conjugate
- a generalization in category theory of this notion

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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