subface
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English
Etymology
Pronunciation
Noun
subface (plural subfaces)
- (geometry) Part of a face
- 2015, Zhaosong Lu, Xiaojun Chen, “Generalized Conjugate Gradient Methods for Regularized Convex Quadratic Programming with Finite Convergence”, in arXiv:
- At each iteration, our methods first identify a face of an orthant and then either perform an exact line search along the direction of the negative projected minimum-norm subgradient of the objective function or execute a CG subroutine that conducts a sequence of CG iterations until a CG iterate crosses the boundary of this face or an approximate minimizer of over this face or a subface is found.
