: Astronomía: matrix

mathematical technique > algebra > vector space > matrix

matrix

In mathematics, a matrix is a square or rectangular array of numbers, symbols, or mathematical expressions, usually written enclosed in a large pair of parentheses. Matrices, which are added and multiplied using a special set of rules, are extremely useful for representing quantities, particularly in some branches of physics. A matrix can be thought of as a linear operator on vectors. Matrix-vector multiplication can be used to describe geometric transformations such as scaling, rotation, reflection, and translation. (Encyclopedia of Science, by David Darling, https://www.daviddarling.info/encyclopedia/M/matrix.html)

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