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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 norm - Wikipedia

   en.wikipedia.org/wiki/Matrix_norm

   1) for all positive integers r , where ρ (A) is the spectral radius of A . For symmetric or hermitian A , we have equality in (1) for the 2-norm, since in this case the 2-norm is precisely the spectral radius of A . For an arbitrary matrix, we may not have equality for any norm; a counterexample would be A = [0 1 0 0] , {\displaystyle A={\begin{bmatrix}0&1\\0&0\end{bmatrix}},} which has ...

4. List of named matrices - Wikipedia

   en.wikipedia.org/wiki/List_of_named_matrices

   A matrix whose entries are generated by the determinants of all minors of a matrix. Copositive matrix. A square matrix A with real coefficients, such that. f ( x ) = x T A x {\displaystyle f (x)=x^ {T}Ax} is nonnegative for every nonnegative vector x. Diagonally dominant matrix. A matrix whose entries satisfy.

5. Norm (mathematics) - Wikipedia

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

   Norm (mathematics) In mathematics, a norm is a function from a real or complex vector space to the non-negative real numbers that behaves in certain ways like the distance from the origin: it commutes with scaling, obeys a form of the triangle inequality, and is zero only at the origin. In particular, the Euclidean distance in a Euclidean space ...

6. 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 ...

7. Ottawa Real Estate Board - Wikipedia

   en.wikipedia.org/wiki/Ottawa_Real_Estate_Board

   The Ottawa Real Estate Board ( OREB) is a non-profit professional association of registered real estate brokers and salespeople in the Ottawa, Canada area. [1] OREB was formed in 1919 and incorporated in 1921. [1] In 1982, the name was changed to 'Real Estate Board of Ottawa-Carleton', and was changed back to the 'Ottawa Real Estate Board' in 2000.

8. The Matrix - Wikipedia

   en.wikipedia.org/wiki/The_Matrix

   The Matrix is a 1999 science fiction action film written and directed by the Wachowskis. It is the first installment in the Matrix film series, starring Keanu Reeves, Laurence Fishburne, Carrie-Anne Moss, Hugo Weaving, and Joe Pantoliano, and depicts a dystopian future in which humanity is unknowingly trapped inside the Matrix, a simulated reality that intelligent machines have created to ...

9. 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 ...