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2. Determinant - Wikipedia

   en.wikipedia.org/wiki/Determinant

   The rule of Sarrus is a mnemonic for the expanded form of this determinant: the sum of the products of three diagonal north-west to south-east lines of matrix elements, minus the sum of the products of three diagonal south-west to north-east lines of elements, when the copies of the first two columns of the matrix are written beside it as in ...

3. Minimum Data Set - Wikipedia

   en.wikipedia.org/wiki/Minimum_Data_Set

   MDS information is transmitted electronically by nursing homes to the MDS database in their respective states. MDS information from the state databases is captured into the national MDS database at Centers for Medicare and Medicaid Services (CMS). Sections of MDS (Minimum Data Set): Identification Information; Hearing, Speech and Vision

4. Category:Matrix normal forms - Wikipedia

   en.wikipedia.org/wiki/Category:Matrix_normal_forms

   A matrix normal form or matrix canonical form describes the transformation of a matrix to another with special properties. Pages in category "Matrix normal forms" The following 10 pages are in this category, out of 10 total.

5. Proofs involving ordinary least squares - Wikipedia

   en.wikipedia.org/wiki/Proofs_involving_ordinary...

   Using matrix notation, the sum of squared residuals is given by S ( β ) = ( y − X β ) T ( y − X β ) . {\displaystyle S(\beta )=(y-X\beta )^{T}(y-X\beta ).} Since this is a quadratic expression, the vector which gives the global minimum may be found via matrix calculus by differentiating with respect to the vector β {\displaystyle \beta ...

6. 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.

7. How to sign up for Medicare online - AOL

   www.aol.com/sign-medicare-online-010000075.html

   A person can sign up for Medicare parts A and B online when they turn 65. To apply online, a person will need to visit the Social Security Administration’s website to start the process.

8. Matrix representation of conic sections - Wikipedia

   en.wikipedia.org/wiki/Matrix_representation_of...

   In mathematics, the matrix representation of conic sections permits the tools of linear algebra to be used in the study of conic sections.It provides easy ways to calculate a conic section's axis, vertices, tangents and the pole and polar relationship between points and lines of the plane determined by the conic.

9. AOL

   login.aol.com/?lang=fr-FR&intl=fr

   x. AOL fonctionne mieux avec les dernières versions des navigateurs. Vous utilisez un navigateur obsolète ou non pris en charge, et certaines fonctionnalités de AOL risquent de ne pas fonctionner correctement.