Œuvres de Charles Hermite publiées sous les auspices de l'Académie des sciences, par Émile Picard.

SUR LA FONCTION EXPONENTIELLE.!165 Nous aurons donc, en integrant, e- zx (z) =- x92 e-zxfln +(z ) dz +( -m + )(im +) f e -zxfl (z) dz -+ nt (m - + ) e-Zx f^-1 (z) dz, et ensuite, si nous prenons pour limites z = o et I^, X2 e-ZXfm/+l (z) dz = (2am 4- )(2 - m+2) e-zxfml(z)dz + n(m n + i) e zxe-zxf-t (z) dz. Soit maintenant x2m+ iex r 1 m= I e-ZX /i(z - I)~n dz, et cette relation deviendra S,+l = (4m 4-2 2)Sm,+ x2 s, -. C'est le resultat auquel nous voulions parvenir; en y supposant successivement m= I, 2, 3,..., les equations qu'on en tire ~2= 6E1+-X20o, S3 = IO — 2+ X2l, ~ = 14 3 4- X2,2 donnent aisement la fraction continue ~0 X2 - -10 --- - -- 6 +- I4 +. et il suffit d'employer les valeurs o=- exf e-zxdz == ex - s = x3 o ex z(z — I s = x3 ex f e-zx.z(z - t) dz = ex(2 -x) - 2 - x, ^o

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Title
Œuvres de Charles Hermite publiées sous les auspices de l'Académie des sciences, par Émile Picard.
Author
Hermite, Charles, 1822-1901.
Canvas
Page 150
Publication
Paris,: Gauthier-Villars,
1905-1917.
Subject terms
Mathematics.

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"Œuvres de Charles Hermite publiées sous les auspices de l'Académie des sciences, par Émile Picard." In the digital collection University of Michigan Historical Math Collection. https://name.umdl.umich.edu/aas7821.0003.001. University of Michigan Library Digital Collections. Accessed May 4, 2025.
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