منابع مشابه
Eureka moments.
Winter 2004 A ll truths are easy to understand once they are discovered,” wrote astronomer Galileo Galilei. “The point is to discover them.” The 17th-century Italian is best known as the inventor of the telescope, but if he’d been drawn to the life sciences instead of the physical sciences, he might have conceived of the microscope. As it was, the idea of using lenses to see tiny rather than fa...
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DEFINITION Consider a stream (i.e., an ordered list) S = a1, a2, . . . , an of elements ai ∈ [m] def = {1, 2, . . . ,m}. For i ∈ [m], its frequency fi is the number of times it occurs in S. The k-th frequency moment Fk of S, for real k > 0, is defined to be Fk(S) = ∑ i∈[m] f k i . Interpreting 0 0 as 0, we also define F0 this way, so that it equals the number of distinct elements in S. Observe ...
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Spins, electromagnetic moments and radii are basic observables characterizing a particular nucleus. We review a variety of experimental techniques currently used to measure these quantities for unstable nuclei far from stability and for isomeric nuclear states. The experiments can be traced back to two different principles: Optical high-resolution spectroscopy reveals the interaction between nu...
متن کاملon the moments of lkd
the mean and variance of the lagrangian katz family of distribution (lkd), the basiclagrangian katz distribution of type i (lkd-i) and type ii (lkd-ii) are provided in an easy method.the recurrence relation between the non-central, central and factorial moments, and the recurrencerelation between moments and cumulants of lkd, lkd-i and lkd-ii are given. the first fourcumulants of lkd-i and lkd-...
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ژورنال
عنوان ژورنال: Critical Times
سال: 2021
ISSN: 2641-0478
DOI: 10.1215/26410478-8855211