psi function


Also found in: Wikipedia.

psi function

[′sī ‚fəŋk·shən]
(mathematics)
The special function of a complex variable which is obtained from differentiating the logarithm of the gamma function.
(quantum mechanics)
References in periodicals archive ?
Psychological concepts of psi function: A review and constructive critique.
Abou-Salem, "Mass spectra and leptonic decay widths of heavy quarkonia by using psi function," Journal of Physics G: Nuclear and Particle Physics, vol.
The (p, q)-analogue of the psi function is defined as the logarithmic derivative of the (p, q)gamma function, and has the following series representation and integral representation:
Thus the complex has a certain unitary character, as if it were represented by a psi function for the entire collection of atomic centers.
The aim of the present paper is to investigate several interesting properties of a linear operator [L.sup.p.sub.q,s]([[alpha].sub.i]) associated with the Fox-Wright psi function.
We define the k-analogue of the psi function as the logarithmic derivative of the [[GAMMA].sub.k] function, that is
With this mammoth task of selecting and deselecting in terms of sensed relevance, the psi function (the Prophet) has only one binary tool: in regard to ESP, it is to orient toward the thing or away from it to something else instead.
the legitimacy of parapsychological studies and the reality of the psi function, as one of the elements forming human nature".
agencies to coordinate PSI functions, as required by law.
Li, Monotonicity properties for the gamma and psi functions, Sci.
Rao believes that psi functions to focus "normal" perception in a particular direction.
The analysis of the content of these tapes strongly suggests that psi functions in a similar way to other sensory modalities when there is reduced information input.