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English(EN) Singular Curvature in ReLU Training:Differentiation and the Gradient-Flow Limit Need Not Commute

新研究揭示ReLU神经网络训练动力学的分歧

一篇新发表在arXiv上的论文探讨了使用ReLU激活函数训练神经网络的数学基础。研究表明,当梯度下降算法应用于这些网络时,其在连续时间极限下的行为并不总是符合预期。具体而言,该论文证明了梯度下降的离散步骤和连续流极限可能发生分歧,导致网络参数更新方式存在差异。这种分歧在严格激活事件的场景中尤为明显,离散更新可能导致显著的端点误差,而全局凸性并不能完全缓解这些误差。 AI

影响 这项研究为ReLU网络的训练动力学提供了理论见解,可能影响未来的优化算法。

排序理由 发表在arXiv上的学术论文,详细介绍了神经网络训练的理论发现。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新研究揭示ReLU神经网络训练动力学的分歧

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发表在arXiv上的学术论文,详细介绍了神经网络训练的理论发现。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Xiaoyang Li, Runni Zhou ·

    ReLU训练中的奇异曲率:微分和梯度流极限不必可交换

    arXiv:2608.30960v1 Announce Type: new Abstract: Gradient descent (GD) is explicit Euler for gradient flow, but a state-accurate continuous-time surrogate need not remain accurate after differentiation. At every fixed nonresonant step size, ordinary automatic differentiation exact…