File:Courbe survie locotracteurs actuarielle.svg
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DescriptionCourbe survie locotracteurs actuarielle.svg |
Français : Défaillance des locotracteurs : construction de la courbe de survie par la méthode actuarielle.
Créé avec Scilab, modifié avec Inkscape. English: Failure of shunters: survival curve built with the actuarial method.
Created with Scilab, modified with Inkscape. |
Date | |
Source | Own work |
Author | Cdang |
Scilab source
This media was created with Scilab, a free open-source software. Here is a listing of the Scilab source used to create this file. |
// Ce script nécessite le module Atoms CASCI
clear;
clf;
// paramètres de la loi de Weibull
beta_forme = 0.845;
eta_echelle = 126;
// génération des données
Y = linspace(0, 1, 30)
Y = Y(2:$-1);
t_orig = floor(idfweibull(Y, beta_forme, eta_echelle))';
t = [2, 5, 9, 13, 17, 22, 27, 39, 39, 39, 52, 64, 64, 76, 86, 97, 108, 121,...
135, 151, 169, 191, 215, 245, 282, 332]';
t_complet = [t ; 365 ; 365];
N0 = 28
tt = 14*(0:25);
// systèmes défaillants sur un intervalle
j = 1; // initialisation
// D(1) = 0
for i = 1:26 // par quinzaine
D(i) = sum((t >= (i-1)*14)&(t < i*14))
end
// systèmes foncitonnant en entrée d'intervalle
N(1) = N0;
for i=2:26
N(i) = N(i-1)-D(i-1);
end
// Probabilités conditionnelles
P = D./N;
// Fiabilité
for i = 1:26
R(i)=prod(1-P(1:i));
end
// tracé
scf(0);
clf;
// plot(tt, [1; R(1:$-1)], "--");
plot2d2(tt, [1 ; R(1:$-1)]);
xtitle("Courbe de survie par la méthode actuarielle", "t (j)", "R")
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I, the copyright holder of this work, hereby publish it under the following license:
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- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:57, 5 July 2013 | 503 × 398 (48 KB) | Cdang (talk | contribs) | User created page with UploadWizard |
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Short title | Défaillance de locotracteurs : courbe de survie obtenue avec la méthode actuarielle |
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Width | 502.79593 |
Height | 397.79095 |