# Associations to the word «Orthogonal»

## Wiktionary

ORTHOGONAL, adjective. (geometry) Of two objects, at right angles; perpendicular to each other.
ORTHOGONAL, adjective. Of a pair of vectors: having a zero inner product; perpendicular.
ORTHOGONAL, adjective. Of a square matrix: such that its transpose is equal to its inverse.
ORTHOGONAL, adjective. Of a linear transformation: preserving its angles.
ORTHOGONAL, adjective. Of grid graphs, board games and polyominoes: vertical or horizontal but not diagonal.
ORTHOGONAL, adjective. (statistics) Statistically independent, with reference to variates.
ORTHOGONAL, adjective. (software engineering) Of two or more aspects of a problem, able to be treated separately.
ORTHOGONAL, adjective. Of two or more problems or subjects, independent of or irrelevant to each other.
ORTHOGONAL COMPLEMENT, noun. (linear algebra) (functional analysis) The set of all vectors which are orthogonal to a given set of vectors.
ORTHOGONAL FUNCTION, noun. (mathematics) Either of a pair of functions whose inner product is zero
ORTHOGONAL FUNCTIONS, noun. Plural of orthogonal function

## Dictionary definition

ORTHOGONAL, adjective. Not pertinent to the matter under consideration; "an issue extraneous to the debate"; "the price was immaterial"; "mentioned several impertinent facts before finally coming to the point".
ORTHOGONAL, adjective. Statistically unrelated.
ORTHOGONAL, adjective. Having a set of mutually perpendicular axes; meeting at right angles; "wind and sea may displace the ship's center of gravity along three orthogonal axes"; "a rectangular Cartesian coordinate system".

## Wise words

The most important things are the hardest things to say. They are the things you get ashamed of because words diminish your feelings - words shrink things that seem timeless when they are in your head to no more than living size when they are brought out.
Stephen King