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cumulants

   Also found in: Wikipedia 0.01 sec.
cumulants [′kyü·myə·ləns]
(statistics)
A set of parameterskh(h= 1, …r) of a one-dimensional probability distribution defined bywhere χx(q) is the characteristic function of the probability distribution ofx.Also known as semi-invariants.


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Comon in [23] has used higher-order cumulants whereas, Gaeta et al in [28] used ML estimation framework for BSS.
Contracted Schrodinger equation topics include the purification of correlated and reduced density matrices, cumulants, extensivity and the connected formulation, generalized normal ordering, antihermitian formulations and canonical transformation theory for dynamic correlations in multireference problems.
1/2]dw = [pi]/2 we may show that [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] and Condition 2 enables us to prove that [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] In the third step we make use of Condition 1 and show that the cumulants of order m [greater than or equal to] 3 (abbreviated by the symbol [Cum.
 
 
 
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