# Definition of "nonnegative" [nonnegative]

• (adjective) Of, relating to, or being a quantity that is either positive or zero.

## Use "nonnegative" in a sentence

• "Now the covariance matrix can be written as where T is the transpose, U is an orthogonal matrix (, I is an identity matrix), D is a diagonal matrix matrix of eigenvalues (nonnegative numbers)."
• "S and R are real, with R nonnegative, and rewriting SchrÃ¶dinger's equation in terms of these new variables to obtain a pair of coupled evolution equations: the continuity equation for Ï = R2 and a modified Hamilton-Jacobi equation for S, differing from the usual classical Hamilton-Jacobi equation only by the appearance of an extra term, the quantum potential"
• "Now, to a mathematician (and I am one of those), a metric is a nonnegative function of two points in a metric space (so-called because it is a set on which a metric is defined) that tells something about how far apart (often in quite nonintuitive ways) the two points are."