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Python is a dynamically typed programming language designed by Guido van Rossum. Much like the programming language Ruby, Python was designed to be easily read by programmers. Because of its large following and many libraries, Python can be implemented and used to do anything from webpages to scientific research.

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songs18
songs18 commented Nov 25, 2019

In tensorflow website, it describes tf.losses.cosine_simialrity as follows:
Note that it is a negative quantity between -1 and 0, where 0 indicates orthogonality and values closer to -1 indicate greater similarity.
In fact, the quantity is from 1. to -1., it just takes a negative from normal cosine_similarity.
The page is at
https://tensorflow.google.cn/api_docs/python/tf/keras/losses/cosine_

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  • Updated Dec 2, 2019
  • Python
azl397985856
azl397985856 commented Nov 11, 2019

给定两个由小写字母构成的字符串 A 和 B ,只要我们可以通过交换 A 中的两个字母得到与 B 相等的结果,就返回 true ;否则返回 false 。

 

示例 1:

输入: A = "ab", B = "ba"
输出: true
示例 2:

输入: A = "ab", B = "ab"
输出: false
示例 3:

输入: A = "aa", B = "aa"
输出: true
示例 4:

输入: A = "aaaaaaabc", B = "aaaaaaacb"
输出: true
示例 5:

输入: A = "", B = "aa"
输出: false
 

提示:

0 <= A.length <= 20000
0 <= B.length <= 20000
A 和 B 仅由小写字母构成。

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