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词汇 Back propagation
分类 英语词汇 英语翻译词典
释义

Back propagation

原声例句
连线杂志

I'm gonna say back propagation for artificial intelligence.

我要说是人工智能的反向传播。

连线杂志

Back propagation will tell it how to change its AI brain so that it is better able to understand cats in the future.

反向传播将告诉它如何改变它的人工智能大脑,以便它在未来能够更好地理解猫。

连线杂志

Back propagation is the few lines of code that tells an artificial intelligence algorithm, " If I see data, how can I become smarter based off of that data? "

反向传播是告诉人工智能算法的几行代码,“如果我看到数据,我如何根据这些数据变得更聪明?”

科学杂志:科技

But there's this little magic trick called back propagation and this is very unbiological-- Your neurons don't do this at all.

但是有一个叫做反向传播的小魔术,这是非常不符合生物学的——你的神经元根本不会这样做。

中文百科

反向传播算法 Backpropagation

(重定向自Back propagation)
具有2个输入单元和1个输出单元的一个简单的神经网络
单一训练实例的线性神经元的误差曲面。
两个输入误差的神经元的误差曲面

反向传播英语:Backpropagation,缩写为BP)是“误差反向传播”的简称,是一种与最优化方法(如梯度下降法)结合使用的,用来训练人工神经网络的常见方法。该方法计算对网络中所有权重计算损失函数的梯度。这个梯度会反馈给最优化方法,用来更新权值以最小化损失函数。

反向传播要求有对每个输入值想得到的已知输出,来计算损失函数梯度。因此,它通常被认为是一种监督式学习方法,虽然它也用在一些无监督网络(如自动编码器)中。它是多层前馈网络的Delta规则的推广,可以用链式法则对每层迭代计算梯度。反向传播要求人工神经元(或“节点”)的激励函数可微。

英语百科

Backpropagation 反向传播算法

(重定向自Back propagation)
A simple neural network with two input units and one output unit
Error surface of a linear neuron for a single training case.
Error surface of a linear neuron with two input weights

Backpropagation, an abbreviation for "backward propagation of errors", is a common method of training artificial neural networks used in conjunction with an optimization method such as gradient descent. The method calculates the gradient of a loss function with respect to all the weights in the network. The gradient is fed to the optimization method which in turn uses it to update the weights, in an attempt to minimize the loss function.

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