Image:Fonctions pseudo-voigt.png

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[edit] Summary

PV = η·L + (1-η)·G

Pseudo-fonctions de Voigt : somme d'un gaussienne et d'une lorentzienne

Pseudo-Voigt functions: sum of a gaussian and of a lorentzian

Auteur/author : Christophe Dang Ngoc Chan (cdang)

Réalisé avec/made with : Scilab

clear;clf;

// Loi normale centrée réduite

deff('y=gauss(x)','y=1/(sqrt(2*%pi))*exp(-x^2/2)')

// Fonction de Lorentz

deff('y=lor(x)','y=1/(2*%pi*(0.25+x^2))')

// Intervalle d'étude

pas=0.01;
X=[-3:pas:3]';

// Pseudo-fonctions de Voigt

G=feval(X,gauss);G1=2/3*G;G2=0.5*G;G3=1/3*G;
L=feval(X,lor);L1=1/3*L;L2=0.5*L;L3=2/3*L;

P1 = L1+G1;
P2 = L2+G2;
P3 = L3+G3;

plot2d(X,[G,P1,P2,P3,L],style=[1,2,3,4,5],leg='eta=0@eta=1/3@eta=1/2@eta=2/3@eta=1')
xtitle('Pseudo-fonctions de Voigt','x','y')

[edit] Licensing

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation license, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation license". Aragonés | العربية | Asturianu | Български | বাংলা | ইমার ঠার/বিষ্ণুপ্রিয়া মণিপুরী | Brezhoneg | Bosanski | Català | Cebuano | Česky | Dansk | Deutsch | Ελληνικά | English | Esperanto | Español | Eesti | Euskara | فارسی | Suomi | Français | Gaeilge | Galego | עברית | Hrvatski | Magyar | Bahasa Indonesia | Ido | Íslenska | Italiano | 日本語 | ქართული | ភាសាខ្មែរ | 한국어 | Kurdî / كوردی | Latina | Lëtzebuergesch | Lietuvių | Bahasa Melayu | Nnapulitano | Nederlands | ‪Norsk (nynorsk)‬ | ‪Norsk (bokmål)‬ | Occitan | Polski | Português | Română | Русский | Slovenčina | Slovenščina | Shqip | Српски / Srpski | Svenska | తెలుగు | ไทย | Türkçe | Українська | اردو | Tiếng Việt | Volapük | Yorùbá | ‪中文(中国大陆)‬ | ‪中文(台灣)‬ | +/-

La page ci-dessous contient cette image :

• Fonction de Voigt