Kronecker delta > Related Articles
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- Delta (disambiguation) [r]: Add brief definition or description
- 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]
- Hermite polynomial [r]: Polynomials Hn that are orthogonal with respect to an inner product defined as
[e]
- Hermitian operator [r]: linear operator on an inner product space that is equal to its Hermitian adjoint; also called self-adjoint operator. [e]
- Identity matrix [r]: A square matrix with ones on the main diagonal and zeroes elsewhere: the identity element for matrix multiplication. [e]
- Legendre polynomials [r]: Orthogonal polynomials in the variable −1 ≤ x ≤ 1 and weight function w(x) = 1. [e]
- Multipole expansion of electric field [r]: an expansion in terms of powers of 1/R of an electric potential outside a charge distribution; R is the distance of a point outside to a point inside the charge distribution. [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]
- Rotating wave approximation [r]: An approximation used in atom optics and magnetic resonance. [e]
- Rotation matrix [r]: a 3×3 proper (unit determinant) orthogonal (orthonormal rows and columns) matrix [e]
- Trace (mathematics) [r]: Sum of diagonal elements of matrix; for linear operator T, the trace is Σk ⟨vk|T|vk⟩ where {vk} is an orthonormal basis. [e]
