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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 177<br />

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✫<br />

Porazdelitev gama<br />

Naj bosta b, c > 0. Tedaj ima porazdelitev Gama Γ(b, c) gostoto:<br />

in p(x) = 0 za x ≤ 0.<br />

p(x) = cb<br />

Γ(b) xb−1 e −cx , 0 < x<br />

Funkcijo Gama lahko definiramo z določenim integralom za ℜ[z] > 0<br />

(Eulerjeva integralna forma)<br />

∞<br />

Γ(z) = t z−1 e −t ∞<br />

dt = 2 e −t2<br />

t 2z−1 dt,<br />

0<br />

Univerza v Ljubljani ▲<br />

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0<br />

● ❙ ▲<br />

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☛ ✖<br />

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