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posted @ 2017-10-19 23:56
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协议 阅读全文
posted @ 2017-10-19 19:27
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m*n matrix m*n=1000 f(A)=25 https://www.cs.princeton.edu/courses/archive/spring12/cos598C/svdchapter.pdf finding the best k -dimensional subspace with 阅读全文
posted @ 2017-10-19 18:51
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https://hadoop.apache.org/docs/r1.2.1/hdfs_design.html Introduction The Hadoop Distributed File System (HDFS) is a distributed file system designed to 阅读全文
posted @ 2017-10-19 10:45
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hive.spark.client.rpc.sasl.mechanisms DIGEST-MD5 Name of the SASL mechanism to use for authentication. 阅读全文
posted @ 2017-10-19 09:42
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损失函数+惩罚函数 2阶导数 二阶导数_百度百科 https://baike.baidu.com/item/%E4%BA%8C%E9%98%B6%E5%AF%BC%E6%95%B0/1139067 second derivative 设 ,求 和 。 [6] 解:用导数定义求解: [6] 翻译 搜索 阅读全文
posted @ 2017-10-19 08:09
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RAM disk 阅读全文
posted @ 2017-10-19 01:33
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