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Nikhil Dasari

别名:Nikhil

Towards Data Science文章作者,深度学习教程创作者

已跟踪 3 条高相关材料

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已收录 3 条与 Nikhil Dasari 相关的内容,按评分排序。

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Backpropagation Explained for Beginners (Part 1): Building the Intuition

Towards Data Science3374 字 (约 14 分钟)
85

反向传播是神经网络训练的核心机制,通过梯度下降优化参数。本文以直观方式拆解其数学原理,适合深度学习入门者。

入选理由:反向传播通过链式法则计算梯度,优化模型参数

FeaturedArticle#深度学习#神经网络#反向传播#梯度下降英文
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Neural Networks, Explained for Beginners: Start Here If They’ve Confused You

Towards Data Science4265 字 (约 18 分钟)
85

神经网络通过激活函数建模复杂数据,本文用简单数据集解释其工作原理。

入选理由:使用简单数据集可以更清晰地理解神经网络的内部机制。

FeaturedArticle#神经网络#深度学习#激活函数#机器学习英文
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Why Gradient Descent Became Stochastic

Towards Data Science4695 字 (约 19 分钟)
78

The core reason gradient descent evolved into stochastic gradient descent (SGD) is computational scalability: as dataset size grows, batch gradient descent (BGD) becomes prohibitively expensive, while SGD updates parameters using only one or a few samples per iteration—reducing cost and leveraging noise to escape local minima; the article illustrates this via linear regression, deriving the closed-form solution from MSE and naturally motivating iterative optimization.

入选理由:线性回归中β₀=27315.74、β₁=9020.66的解析解可通过MSE对β₀/β₁求偏导并令其为0推导得出

FeaturedArticle#Gradient Descent#Stochastic Gradient Descent#Linear Regression#Optimization#Machine Learning英文

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