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Data Science and Matrix Optimization-课程推荐
课程介绍:Data science is a "concept to unify statistics, data analysis, machine learning and their related methods" in order to "understand and analyze ac ...
分类:其他好文   时间:2020-06-26 22:40:13    阅读次数:63
变分推断(三)—— 进阶(续)
SVI变分推断的前两篇介绍了变分推断的构造方法、目标函数以及优化算法CAVI,同时上一篇末尾提到,CAVI并不适用于大规模的数据的情况,而这一篇将要介绍一种随机优化(stochastic optimization)的方法。这种优化方法与随机梯度下降(Stochastic Gradient Desce ...
分类:其他好文   时间:2020-06-23 01:00:54    阅读次数:76
Adam梯度下降算法分析
(一)、什么是Adam算法?Adam(Adaptive momentum)是一种自适应动量的随机优化方法(A method for stochastic optimization),经常作为深度学习中的优化器算法。 (二)、Adam算法如何实现? ? ...
分类:编程语言   时间:2020-06-19 21:04:55    阅读次数:82
Improving DNNs Hyperparameter tuning-Regularization and Optimization(week3)Tensorflow
TensorFlow Tutorial Initialize variables Start your own session Train algorithms Implement a Neural Network 1. Exploring the Tensorflow Library To sta ...
分类:其他好文   时间:2020-06-12 20:31:54    阅读次数:80
Improving DNNs Hyperparameter tuning-Regularization and Optimization(week2)Optimization Methods
1. Optimization Methods 1.1 - Gradient Descent 1.2 - Mini-Batch Gradient descent 1.3 - Momentum 1.4 - Adam 2. Model with different optimization algori ...
分类:其他好文   时间:2020-06-11 13:40:36    阅读次数:50
Improving DNNs Hyperparameter tuning-Regularization and Optimization(week1)GradientChecking
1. Gradient Checking 你被要求搭建一个Deep Learning model来检测欺诈,每当有人付款,你想知道是否该支付可能是欺诈,例如该用户的账户可能已经被黑客掉。 但是,反向传播实现起来非常有挑战,并且有时有一些bug,因为这是一个mission-critical应用,你公司 ...
分类:其他好文   时间:2020-06-10 12:52:53    阅读次数:60
Improving DNNs Hyperparameter tuning-Regularization and Optimization(week2)Regularization
Regularization Deep Learning models have so much flexibility and capacity that overfitting can be a serious problem,if the training dataset is not big ...
分类:其他好文   时间:2020-06-09 18:29:42    阅读次数:53
VIVADO(5)
矮人看戏何曾见,都是随人说长短 赵翼 Directive: opt_design (Logic optimization) 逻辑优化 power_opt_design (Power optimization) 功耗优化 place_design (Placement) 布局 phys_opt_des ...
分类:其他好文   时间:2020-06-08 23:24:34    阅读次数:80
mysql 官方文档之Optimization( 8.2 Optimizing SQL Statements)
索引下推 Block Nested-Loop and Batched Key Access Joins BNL 开启bka SET optimizer_switch='mrr=on,mrr_cost_based=off,batched_key_access=on'; Multi-Range Read ...
分类:数据库   时间:2020-05-25 15:36:14    阅读次数:74
mysql官方文档之Optimization(8.8 Understanding the Query Execution Plan)
explain执行计划字段显示 ...
分类:数据库   时间:2020-05-22 17:38:06    阅读次数:51
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