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单词 kronecker delta
释义 kro·neck·er delta
\¦krōˌnekə(r)-\ noun
Usage: usually capitalized K
Etymology: after Leopold Kronecker died 1891 German mathematician
: a function of two variables that is 1 when the variables have the same value and is 0 when they have different values
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更新时间:2024/11/11 19:01:22