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2. Multiple listing service - Wikipedia

   en.wikipedia.org/wiki/Multiple_listing_service

   Multiple listing service. A multiple listing service ( MLS, also multiple listing system or multiple listings service) is an organization with a suite of services that real estate brokers use to establish contractual offers of cooperation and compensation (among brokers) and accumulate and disseminate information to enable appraisals.

3. Matrix (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Matrix_(mathematics)

   In mathematics, a matrix ( pl.: matrices) is a rectangular array or table of numbers, symbols, or expressions, arranged in rows and columns, which is used to represent a mathematical object or a property of such an object. For example, is a matrix with two rows and three columns. This is often referred to as a "two by three matrix", a " matrix ...

4. Eigenvalues and eigenvectors - Wikipedia

   en.wikipedia.org/wiki/Eigenvalues_and_eigenvectors

   1) then v is an eigenvector of the linear transformation A and the scale factor λ is the eigenvalue corresponding to that eigenvector. Equation (1) is the eigenvalue equation for the matrix A . Equation (1) can be stated equivalently as (A − λ I) v = 0 , {\displaystyle \left(A-\lambda I\right)\mathbf {v} =\mathbf {0} ,} (2) where I is the n by n identity matrix and 0 is the zero vector ...

5. Matrix calculus - Wikipedia

   en.wikipedia.org/wiki/Matrix_calculus

   In mathematics, matrix calculus is a specialized notation for doing multivariable calculus, especially over spaces of matrices.It collects the various partial derivatives of a single function with respect to many variables, and/or of a multivariate function with respect to a single variable, into vectors and matrices that can be treated as single entities.

6. Vector autoregression - Wikipedia

   en.wikipedia.org/wiki/Vector_autoregression

   Vector autoregression. Vector autoregression ( VAR) is a statistical model used to capture the relationship between multiple quantities as they change over time. VAR is a type of stochastic process model. VAR models generalize the single-variable (univariate) autoregressive model by allowing for multivariate time series.

7. Co-occurrence matrix - Wikipedia

   en.wikipedia.org/wiki/Co-occurrence_matrix

   Co-occurrence matrix. A co-occurrence matrix or co-occurrence distribution (also referred to as : gray-level co-occurrence matrices GLCMs) is a matrix that is defined over an image to be the distribution of co-occurring pixel values (grayscale values, or colors) at a given offset. It is used as an approach to texture analysis with various ...