Definition of positive definite
1
: having a positive value for all values of the constituent variables
positive definite quadratic forms
2
of a matrix
: having the characteristic roots real and positive
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“Positive definite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/positive%20definite. Accessed 27 Nov. 2021.
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Time Traveler for positive definite
The first known use of positive definite was in 1904
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