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词汇 Hamming weight
分类 英语词汇 英语翻译词典
释义

Hamming weight

中文百科

汉明重量

汉明重量是一串符号中非零符号的个数。因此它等同于同样长度的全零符号串的汉明距离。在最为常见的数据位符号串中,它是1的个数。

字符 字符串 汉明重量
0,1 11101 4
0,1 11101000 4
0,1 00000000 0
' ',a-z hello world 11
英语百科

Hamming weight 汉明重量

The Hamming weight of a string is the number of symbols that are different from the zero-symbol of the alphabet used. It is thus equivalent to the Hamming distance from the all-zero string of the same length. For the most typical case, a string of bits, this is the number of 1's in the string. In this binary case, it is also called the population count, popcount, or sideways sum. It is the digit sum of the binary representation of a given number and the ₁ norm of a bit vector.

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