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单词 information function of a partition
释义 information function of a partition
[´in·fǝr`mā·shǝn ¦fǝŋk·shǝn ǝv ǝ pär`tish·ǝn]
MATHEMATICS
If Ξ is a finite partition of a probability space, the information function of Ξ is a step function whose sets of constancy are the elements of Ξ and whose value on an element of Ξ is the negative of the logarithm of the probability of this element.
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