nonnegative

adj.

非负的，正的，零的；

Nonnegative Matrices in the Mathematical Sciences
Convex and Semi-Nonnegative Matrix Factorizations
Algorithms for nonnegative independent component analysis
Multiplicative updates for nonnegative quadratic programming.
Second order Equations with Nonnegative characteristic Forms
Better Subset Regression Using the Nonnegative Garrote
Sparse nonnegative solution of underdetermined linear equations by linear programming.
On the Structure of Complete Manifolds of Nonnegative Curvature
Stationarity of Garch processes and of some nonnegative time series
A polynomial-time approximation algorithm for the permanent of a matrix with nonnegative entries