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摘要︰1. Introduction: Linear conjugate gradient method: solve a large linear system of equations Nonlinear conjugate gradient method: adaption of linear CG 閱讀全文(wen)
posted @ 2020-04-06 07:46 cihui.pan 閱讀 (51) 評論 (0) 編輯
摘要︰1. SVD Based Methods: Word Document Co occurrence Matrix: give general topics leading to "Latent Semantic Analysis", large matrix $\mathbb{R}^{V\times 閱讀全文(wen)
posted @ 2020-04-06 07:46 cihui.pan 閱讀 (118) 評論 (0) 編輯
摘要︰1. Introduction: Trust region methods choose the direction and length of the step simultaneously. If a step is not acceptable, they reduce the size of 閱讀全文(wen)
posted @ 2020-04-06 07:46 cihui.pan 閱讀 (127) 評論 (0) 編輯
摘要︰1. The Wolfe Conditions The Armijo condition: $\alpha_k$ should give sufficienti decrease in the object function $f$: $$f(x_k+\alpha_k p_k)\leq f(x_k) 閱讀全文(wen)
posted @ 2020-04-06 07:46 cihui.pan 閱讀 (189) 評論 (0) 編輯
摘要︰1. Classification Continuous vs Discrete Optimization Constrained vs Unconstrained Optimization Global vs Local Optimization Stochastic vs Determinist 閱讀全文(wen)
posted @ 2020-04-06 07:46 cihui.pan 閱讀 (55) 評論 (0) 編輯

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