参数的过程中使用的一种求导法则。 具体来说，链式法则是将复合函数的导数表示为各个子函数导数的连乘积的一种方法。在

This process is often as clear-cut as updating a number of strains of code; it could also require A serious overhaul that's spread across various documents from the code.

From the latter circumstance, implementing a backport could possibly be impractical when compared with upgrading to the latest version on the program.

Add this topic for your repo To associate your repository While using the backpr subject matter, pay a visit to your repo's landing website page and select "deal with matters." Learn more

was the ultimate official release of Python 2. To be able to keep on being current with stability patches and go on enjoying all of the new developments Python provides, businesses needed to enhance to Python 3 or start freezing prerequisites and decide to legacy extended-time period assist.

With this state of affairs, the person remains working an older upstream Variation in the application with backport packages utilized. This does not supply the complete security features and advantages of functioning the most recent Model of your application. End users should really double-Test to check out the precise program update quantity to make sure they are updating to the newest Model.

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Backporting needs usage of the software package’s source code. As a result, the backport can be formulated and furnished by the Main growth workforce for BackPR closed-supply software.

Backporting is actually a catch-all expression for almost any exercise that applies updates or patches from a more moderen Model of software to an more mature version.

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过程中，我们需要计算每个神经元函数对误差的导数，从而确定每个参数对误差的贡献，并利用梯度下降等优化

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在神经网络中，偏导数用于量化损失函数相对于模型参数（如权重和偏置）的变化率。

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