Infinitesimal
发表于 2025-3-26 21:50:21
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curettage
发表于 2025-3-27 04:20:11
J. Frédéric Bonnans,J. Charles Gilbert,Claudia A. Combines mathematical developments, description and analysis of algorithms.Selection of algorithms is based on their applicability to real-life problems.Includes supplementary material:
Ejaculate
发表于 2025-3-27 06:17:15
General Introductiont will be the usual dot-product: .); | · | or ∥ · ∥ will denote the associated norm. The . (vector of partial derivatives) of a function .: ℝ. → ℝ will be denoted by ∇ . or .′; the . (matrix of second derivatives) by ∇.. or .″. We will also use continually the notation .(.) = .′(.).
originality
发表于 2025-3-27 09:42:35
Special Methodsmely important, and might supersede line-searches, sooner or later. The other methods deal with the direction; they are either classical (Gauss-Newton) or recent (limited-memory quasi-Newton, truncated Newton) and apply only in some well-defined subclasses of problems.
褪色
发表于 2025-3-27 17:07:25
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悄悄移动
发表于 2025-3-27 19:44:26
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分开
发表于 2025-3-28 00:39:31
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皱痕
发表于 2025-3-28 05:33:06
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指派
发表于 2025-3-28 07:18:26
Bundle Methods. The Quest of DescentNone of the black-box methods considered so far are descent schemes. Only the steepest-descent method guarantees a decrease of the objective function at each iteration. However, it requires the complete knowledge of .., and can be unstable.
rods366
发表于 2025-3-28 10:41:57
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