In this paper we test different conjugate gradient (CG) methods for solving largescale unconstrained optimization problems. The methods are divided in two groups: the first group includes five basic ...
Journal of Vegetation Science, Vol. 20, No. 6 (Dec., 2009), pp. 984-995 (12 pages) Question: (i) How do species richness and species turnover change along a pH gradient? (ii) What are possible driving ...
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