2020-08-13 12:00:20 +02:00
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---
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id: 5e8f2f13c4cdbe86b5c72d94
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2021-07-15 13:04:11 +05:30
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title: '神经网络：优化'
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2020-08-13 12:00:20 +02:00
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challengeType: 11
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videoId: hdOtRPQe1o4
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2021-10-03 12:24:27 -07:00
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bilibiliIds:
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aid: 763064173
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bvid: BV1364y1a7eM
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cid: 409130557
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2021-01-13 03:31:00 +01:00
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dashedName: neural-networks-optimizers
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2020-08-13 12:00:20 +02:00
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---
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2020-12-16 00:37:30 -07:00
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# --question--
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## --text--
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2021-07-15 13:04:11 +05:30
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什么是优化函数？
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2020-12-16 00:37:30 -07:00
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## --answers--
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2021-07-15 13:04:11 +05:30
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一种提高模型预测准确性的函数。
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2020-12-16 00:37:30 -07:00
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---
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2021-07-15 13:04:11 +05:30
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一个为你实现梯度下降和反向传播算法的函数。
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2020-12-16 00:37:30 -07:00
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---
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2021-07-15 13:04:11 +05:30
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一个可以减少模型训练时间的函数。
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2020-12-16 00:37:30 -07:00
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## --video-solution--
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2
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