definite quadratic form

noun

Definition of definite quadratic form

: a quadratic form that is always positive or always negative for every set of values of the variables involved in it except when all the variables are zero in which case the form has the value zero

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“Definite quadratic form.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/definite%20quadratic%20form. Accessed 11 Aug. 2020.

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