2021-05-05 10:13:49 -07:00
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---
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id: 5e8f2f13c4cdbe86b5c72d94
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2021-07-16 11:03:16 +05:30
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title: '神經網絡：優化'
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2021-05-05 10:13:49 -07:00
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challengeType: 11
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videoId: hdOtRPQe1o4
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dashedName: neural-networks-optimizers
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---
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# --question--
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## --text--
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2021-07-16 11:03:16 +05:30
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什麼是優化函數？
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2021-05-05 10:13:49 -07:00
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## --answers--
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2021-07-16 11:03:16 +05:30
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一種提高模型預測準確性的函數。
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2021-05-05 10:13:49 -07:00
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---
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2021-07-16 11:03:16 +05:30
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一個爲你實現梯度下降和反向傳播算法的函數。
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2021-05-05 10:13:49 -07:00
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---
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2021-07-16 11:03:16 +05:30
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一個可以減少模型訓練時間的函數。
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2021-05-05 10:13:49 -07:00
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## --video-solution--
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2
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