单词	nonnegative
释义	nonnegative adjective non·​neg·​a·​tive ˌnän-ˈne-gə-tiv  : not negative: such as a : being either positive or zero b : taking on nonnegative values a nonnegative function Example Sentences Recent Examples on the Web In the 16th century, algebraic equations were still expressed rhetorically — in words, not symbols — and all coefficients had to be nonnegative, since mathematicians did not recognize negative numbers as legitimate. Quanta Magazine, 30 June 2022 So cubics can never be nonnegative everywhere or a sum of squares. Quanta Magazine, 1 Nov. 2021 Knowing whether a polynomial is always nonnegative might seem like a mathematical triviality. Quanta Magazine, 23 May 2018 Knowing whether a polynomial is always nonnegative might seem like a mathematical triviality. Quanta Magazine, 23 May 2018 Knowing whether a polynomial is always nonnegative might seem like a mathematical triviality. Quanta Magazine, 23 May 2018 Knowing whether a polynomial is always nonnegative might seem like a mathematical triviality. Quanta Magazine, 23 May 2018 Knowing whether a polynomial is always nonnegative might seem like a mathematical triviality. Quanta Magazine, 23 May 2018 Knowing whether a polynomial is always nonnegative might seem like a mathematical triviality. Quanta Magazine, 23 May 2018 See More Word History First Known Use 1885, in the meaning defined above
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