1. Matrix (mathematics) - Wikipedia, the free encyclopedia
In mathematics, a matrix (plural matrices, or less commonly matrixes) is a rectangular array of numbers, such as. An item in a matrix is called an entry or an element.
2. Invertible matrix - Wikipedia, the free encyclopedia
A matrix that is its own inverse, i.e. and , is called an involution. Density. Over the field of real numbers, the set of singular n-by-n matrices, considered as a subset of , is a null ...
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4. What is a Matrix?
A matrix is a grid, with each location in the grid containing some information. For example, a chess board is a matrix in which every square contains a specific item of ...
5. Matrix -- from Wolfram MathWorld
A matrix is a concise and useful way of uniquely representing and working with linear transformations. In particular, every linear transformation can be represented by a matrix ...
6. A-Matrix is a Clinical Research Organisation (CRO)
Home. A-Matrix is a Clinical Research Organisation (CRO), headquartered in Riga, Latvia and operating throughout Eastern Europe in collaboration with regional and international Key ...
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8. Welcome to SandOnline.net: Your #1 Online Source for Sand and Minerals
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9. SAM: Stat-A-Matrix
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