2020-08-13 12:00:20 +02:00
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---
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id: 5e9a0a8e09c5df3cc3600ed2
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2021-07-03 20:07:10 +05:30
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title: Numpy 是什么？
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2020-08-13 12:00:20 +02:00
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challengeType: 11
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videoId: 5Nwfs5Ej85Q
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2021-10-03 12:24:27 -07:00
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bilibiliIds:
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aid: 293086867
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bvid: BV1Tf4y1E7QZ
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cid: 409024791
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2021-01-13 03:31:00 +01:00
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dashedName: what-is-numpy
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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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2020-08-13 12:00:20 +02:00
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2020-12-16 00:37:30 -07:00
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## --text--
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2020-08-13 12:00:20 +02:00
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2021-07-03 20:07:10 +05:30
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为什么 Numpy 数组要比常规的 Python 列表更快？
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2020-08-13 12:00:20 +02:00
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2020-12-16 00:37:30 -07:00
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## --answers--
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2020-08-13 12:00:20 +02:00
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2021-07-03 20:07:10 +05:30
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Numpy 在遍历对象时不执行类型检查。
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2020-08-13 12:00:20 +02:00
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2020-12-16 00:37:30 -07:00
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---
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2021-07-03 20:07:10 +05:30
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Numpy 使用固定类型。
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2020-12-16 00:37:30 -07:00
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---
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2021-07-03 20:07:10 +05:30
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Numpy 使用连续内存。
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2020-12-16 00:37:30 -07:00
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---
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2021-07-03 20:07:10 +05:30
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上述所有的。
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2020-12-16 00:37:30 -07:00
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## --video-solution--
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4
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