Of, relating to, or being a quantity that is either positive or zero. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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."