unconstrained

adj.

不受拘束的，不受强制的，不做作的；落泊；无拘束；

unconstrained optimization无约束最优化

unconstrained minimization无约束极小化

CUTE : Constrained and Unconstrained Testing Environment
Numerical Methods For Unconstrained Optimization And Nonlinear Equations
Numerical methods for unconstrained optimization and nonlinear equations /
CORRIGENDUM: Unconstrained N = 2 matter, Yang-Mills and supergravity theories in harmonic superspace
CUTEr and SifDec: A constrained and unconstrained testing environment, revisited
(1983), Numerical methods for unconstrained optimization and nonlinear equations. Prentice-Hall
Stochastic approximation methods for constrained and unconstrained systems
Numerical Methods for Unconstrained Optimization and Nonlinear Equations (Classics in Applied Mathematics, 16)
A Method of Combining Multiple Experts for the Recognition of Unconstrained Handwritten Numerals
Labeled Faces in the Wild: A Database forStudying Face Recognition in Unconstrained Environments