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determinant |
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determinantIn mathematics, an array of elements written as a square, and denoted by two vertical lines enclosing the array. For a 2 × 2 matrix, the determinant is given by the difference between the products of the diagonal terms. Determinants are used to solve sets of simultaneous equations by matrix methods. When applied to transformational geometry, the determinant of a 2 × 2 matrix signifies the ratio of the area of the transformed shape to the original and its sign (plus or minus) denotes whether the image is direct (the same way round) or indirect (a mirror image). For example |
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| Through her work, as part of a landmark trial evaluating sustained home visiting of disadvantaged families by nurses, she has seen the human cost of what is dryly known in research jargon as 'the social determinants of health'. The book provides guidance not only on systems of linear equations and matrix algebra but also on the often-harder-to-grasp topics of vector spaces, linear transformations, determinants, and eigenvector problems. Determinants of Student Achievement: New Evidence from San Diego. |
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Determinants
