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searching for Exponential integral 11 found (51 total)

Integration using parametric derivatives (970 words) [view diff] no match in snippet view article find links to article

In calculus, integration by parametric derivatives, also called parametric integration, is a method which uses known Integrals to integrate derived functions

Integration by reduction formulae (1,778 words) [view diff] no match in snippet view article find links to article

In integral calculus, integration by reduction formulae is a method relying on recurrence relations. It is used when an expression containing an integer

Irene Stegun (950 words) [view diff] exact match in snippet view article find links to article

"Automatic computing methods for special functions. Part II. The exponential integral En (x)" (1974, with Ruth Zucker) "Automatic computing methods for

Lentz's algorithm (1,073 words) [view diff] exact match in snippet view article find links to article

as the other methods. As an example, it was applied to evaluate exponential integral functions. This application was then called modified Lentz algorithm

Discretization (2,443 words) [view diff] exact match in snippet view article find links to article

{\displaystyle \mathbf {Q} _{d}} is a bit trickier due to the matrix exponential integral. It can, however, be computed by first constructing a matrix, and

Interaction picture (2,261 words) [view diff] exact match in snippet view article find links to article

evolution generated by H0,S(t), or more explicitly with a time-ordered exponential integral. The density matrix can be shown to transform to the interaction

Asymptotology (1,582 words) [view diff] exact match in snippet view article find links to article

illustrate these regularities using a simple example. Consider the exponential integral function: Ei ⁡ ( y ) = ∫ − ∞ y e ζ ζ − 1 d ζ , y < 0 {\displaystyle

Gamma function (13,397 words) [view diff] exact match in snippet view article find links to article

Whittaker and Watson, 12.22. "Exponential integral E: Continued fraction representations (Formula 06.34.10.0005)". "Exponential integral E: Continued fraction

Dynamical pictures (3,911 words) [view diff] exact match in snippet view article find links to article

evolution generated by H0,s(t), or more explicitly with a time-ordered exponential integral. The density matrix can be shown to transform to the interaction

Gradshteyn and Ryzhik (11,910 words) [view diff] exact match in snippet view article find links to article

[2014-09-19]. "The integrals in Gradshteyn and Ryzhik. Part 26: The exponential integral" (PDF). Scientia. Series A: Mathematical Sciences. 26 (published

Marcum Q-function (7,425 words) [view diff] case mismatch in snippet view article find links to article

1(2), 243-253. A. Annamalai and C. Tellambura (2008). A Simple Exponential Integral Representation of the Generalized Marcum Q-Function QM(a,b) for Real-Order