non-negative

English

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Alternative forms

non-negative (not comparable)

1. (mathematics) Of a real number, either positive or zero; not negative; greater than or equal to zero.
Distances are non-negative.
2. (mathematics) Of a real valued function, functional, etc. which has non-negative values over a particular domain D.
For all $x \in D$, $f(x) \ge 0$

Usage notes

Can be used for an element of a subset of the real numbers, eg rationals or integers. This term is not the same as positive.