Identity matrix/Related Articles

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A list of Citizendium articles, and planned articles, about Identity matrix.
See also changes related to Identity matrix, or pages that link to Identity matrix or to this page or whose text contains "Identity matrix".

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  • Angular momentum (classical) [r]: The tendency of a rotating object to resist changes to its rotational motion. [e]
  • Antisymmetrizer [r]: operator that projects onto an antisymmetric subspace of a tensor product space of identical linear spaces; [e]
  • Characteristic polynomial [r]: The polynomial attached to a square matrix or endomorphism det(A-XI)=0. [e]
  • Diagonal matrix [r]: A square matrix which has zero entries off the main diagonal. [e]
  • Dirac delta function [r]: Sharply peaked function, generalization of the Kronecker delta; a distribution that maps a regular function onto a single function value. [e]
  • Eigenvalue [r]: A vector v is an eigenvector of a matrix A if A v = λ v; the number λ is the eigenvalue of the matrix A belonging to the eigenvector v. [e]
  • GF method [r]: Method to compute the normal coordinates of a vibrating molecule. [e]
  • Identity (mathematics) [r]: Add brief definition or description
  • Identity element [r]: An element whose behaviour with respect to a binary operation generalises that of zero for addition or one for multiplication. [e]
  • Identity function [r]: The function from a set to itself which maps each element to itself. [e]
  • Kronecker delta [r]: A quantity depending on two subscripts which is equal to one when they are equal and zero when they are unequal. [e]
  • Linear quadratic control [r]: Controller design for a deterministic linear plant based on the minimization of a quadratic cost functional. [e]
  • Matrix inverse [r]: The equivalent of the reciprocal defined for certain matrices. [e]
  • Matrix [r]: A mathematical construct generally represented as a rectangular array of elements. [e]
  • Molecular orbital theory [r]: Deals with definition and computation of molecular orbitals. [e]
  • Monoid [r]: An algebraic structure with an associative binary operation and an identity element. [e]
  • Pauli spin matrices [r]: Three anticommuting matrices, each having two rows and two columns, which represent the components of the electron spin operator. [e]
  • Reflection (geometry) [r]: In Euclidean geometry, a distance preserving transformation that reverses orientation [e]
  • Rotation matrix [r]: a 3×3 proper (unit determinant) orthogonal (orthonormal rows and columns) matrix [e]
  • Spherical harmonics [r]: A series of harmonic basis functions that can be used to describe the boundary of objects with spherical topology. [e]
  • Spherical polar coordinates [r]: Angular coordinates on a sphere: longitude angle φ, colatitude angle θ [e]
  • Vector field [r]: A vector function on the three-dimensional Euclidean space . [e]
  • Zero matrix [r]: A matrix consisting entirely of zero entries. [e]