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searching for Exponential integral 8 found (47 total)

alternate case: exponential integral

Discretization (2,018 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 (1,664 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
Abramowitz and Stegun (1,975 words) [view diff] case mismatch in snippet view article find links to article
Elementary Analytical Methods Elementary Transcendental Functions Exponential Integral and Related Functions Gamma Function and Related Functions Error
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
Integration by reduction formulae (1,905 words) [view diff] exact match in snippet view article find links to article
^{2}x\sin x+{\frac {2}{3}}\sin x\right]+C,\,} where C is a constant. Exponential integral Another typical example is: ∫ x n e a x d x . {\displaystyle \int
Dynamical pictures (3,909 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 (10,762 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 (published 2015)
List of mathematical constants (6,226 words) [view diff] case mismatch in snippet view article find links to article
{\log(s+1)}{e^{s}-1}}\ ds=\!-\!\sum _{n=1}^{\infty }{\frac {e^{n}}{n}}Ei(-n)} Ei: Exponential Integral Before 2003 Pell constant P P e l l {\displaystyle {{\mathcal {P}}_{_{Pell}}}}