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positive definite

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adjective Mathematics.
  1. (of a quadratic form) positive for all real values of the variables, where the values are not all zero.
  2. (of a matrix) displaying the coefficients of a positive definite quadratic form.
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Origin of positive definite

First recorded in 1905–10
Related formspositive definiteness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018