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・ Truncated dodecahedral prism
・ Truncated dodecahedron
・ Truncated great dodecahedron
・ Truncated great icosahedron
・ Truncated heptagonal tiling
・ Truncated hexagonal tiling
・ Truncated hexagonal trapezohedron
・ Truncated hexaoctagonal tiling
・ Truncated icosahedral prism
・ Truncated icosahedron
・ Truncated icosidodecahedral prism
・ Truncated icosidodecahedron
・ Truncated infinite-order square tiling
・ Truncated infinite-order triangular tiling
・ Truncated mean
Truncated Newton method
・ Truncated normal distribution
・ Truncated octagonal tiling
・ Truncated octahedral prism
・ Truncated octahedron
・ Truncated order-3 apeirogonal tiling
・ Truncated order-4 apeirogonal tiling
・ Truncated order-4 heptagonal tiling
・ Truncated order-4 hexagonal tiling
・ Truncated order-4 octagonal tiling
・ Truncated order-4 pentagonal tiling
・ Truncated order-5 hexagonal tiling
・ Truncated order-5 pentagonal tiling
・ Truncated order-5 square tiling
・ Truncated order-6 hexagonal tiling


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Truncated Newton method : ウィキペディア英語版
Truncated Newton method
Truncated Newton methods, also known as Hessian-free optimization, are a family of optimization algorithms designed for optimizing non-linear function with large numbers of variables. A truncated Newton method consists of repeated application of an iterative optimization algorithm to approximately solve Newton's equations, to determine an update to the function's parameters. The inner solver is ''truncated'', i.e., run for only a limited number of iterations. It follows that, for truncated Newton methods to work, the inner solver needs to produce a good approximation in a few number of iterations; conjugate gradient has been suggested and evaluated as a candidate inner loop. Another prerequisite is good preconditioning for the inner algorithm.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Truncated Newton method」の詳細全文を読む



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