### Some articles on *orthogonal*:

Stieltjes Transformation - Relationships To

... If {Pn} is a sequence of

**Orthogonal**Polynomials... If {Pn} is a sequence of

**orthogonal**polynomials for this product, we can create the sequence of associated secondary polynomials by the formula It ... measure for transforming the secondary polynomials into an**orthogonal**system ...Matrix (mathematics) - Square Matrices - Main Types -

... An

**Orthogonal**Matrix... An

**orthogonal**matrix is a square matrix with real entries whose columns and rows are**orthogonal**unit vectors (i.e ... Equivalently, a matrix A is**orthogonal**if its transpose is equal to its inverse which entails where I is the identity matrix ... An**orthogonal**matrix A is necessarily invertible (with inverse A−1 = AT), unitary (A−1 = A*), and normal (A*A = AA*) ...Lauricella's Theorem

... In the theory of

... In the theory of

**orthogonal**functions, Lauricella's theorem provides a condition for checking the closure of a set of**orthogonal**functions, namely Theorem ... A necessary and sufficient condition that a normal**orthogonal**set be closed is that the formal series for each function of a known closed normal ...Cubes -

... The cube has four special

**Orthogonal**Projections... The cube has four special

**orthogonal**projections, centered, on a vertex, edges, face and normal to its vertex figure ...**Orthogonal**projections Centered by Face Vertex Coxeter planes B2 A2 Projective symmetry Tilted views ...Classical Group - Relationship With Bilinear Forms

... Bn = SO(2n + 1), the special

... Bn = SO(2n + 1), the special

**orthogonal**group of**orthogonal**(2n + 1)-by-(2n + 1) real matrices with determinant 1 ... Dn = SO(2n), the special**orthogonal**group of**orthogonal**2n-by-2n real matrices with determinant 1 ... determinant be 1 and consider unitary groups and (disconnected)**orthogonal**groups ...### More definitions of "orthogonal":

- (
*adj*): Having a set of mutually perpendicular axes; meeting at right angles.

Example:*"Wind and sea may displace the ship's center of gravity along three orthogonal axes"*

Synonyms: rectangular

- (
*adj*): Not pertinent to the matter under consideration.

Synonyms: extraneous, immaterial, impertinent

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