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文本中已有空格分隔单词,所以先用空格为分隔符将文本切割为单词词库,再将相邻单词组合生成二元词组词库,统计二元词组词库的词频即可。
用矩阵计算来代替循环嵌套,可以让代码简洁。
原数组 去负值后的数组
The text was updated successfully, but these errors were encountered:
janeite
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环境
基础任务
代码
思路
文本中已有空格分隔单词,所以先用空格为分隔符将文本切割为单词词库,再将相邻单词组合生成二元词组词库,统计二元词组词库的词频即可。
运行结果
遇到 问题
进阶任务
求导
代码
结果
向量化
概念理解
用矩阵计算来代替循环嵌套,可以让代码简洁。
代码
结果
原数组
去负值后的数组
The text was updated successfully, but these errors were encountered: