File:Corde vibrante fixee moitie et tiers.gif

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Corde_vibrante_fixee_moitie_et_tiers.gif ‎(610 × 460 pixels, file size: 61 KB, MIME type: image/gif, looped, 48 frames, 4.8 s)

Captions

Captions

Vibration of a string, pinched at the half and third of its length.

Summary

[edit]
Description
Français : Corde vibrante :
  • longueur entière (haut) ;
  • immobilisée à la moitié (milieu) ;
  • immobilisée au tiers (bas).
Par exemple, corde de la2 d'une guitare sur laquelle on joue le la3 (octave supérieure, milieu) et un mi5 (bas).
English: Vibranting string:
  • full length (top);
  • pinched at the half of its length (middle);
  • pinched at the third of its length (bottom).
E.g.a A2 string of a guitar, using to play a A3 (upper octave, middle) and a E5 (bottom).
Date
Source Own work
Author Cdang

Scilab source

Scilab source
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. 

chemin="whatever";
fichier=chemin+"corde_vibrante";

sixiemeNx=4; // 1/6 du nombre de points
x = linspace(0, 1, 6*sixiemeNx); // abscisse corde
nt = 48; // nombre de pas de temps
t = linspace(0, 1, nt); // temps, en période

xmat=%pi*ones(t')*x;
tmat = 2*%pi*t'*ones(x);
ymat1 = sin(tmat).*sin(xmat);
ymat2 = sin(2*tmat).*sin(2*xmat);
ymat3 = sin(3*tmat).*sin(3*xmat);

ymat2(:, 1:3*sixiemeNx)=0;
ymat3(:, 1:4*sixiemeNx)=0;

scf(0);

for i=1:nt
    
    clf();
    
    subplot(3, 1, 1);
        plot(x, ymat1(i, :));
        a=gca();
        a.data_bounds = [0,-1;1,1];
        a.axes_visible = ["off","off","off"];
        a.box="off";
    
    subplot(3, 1, 2);
        plot(x, ymat2(i, :));
        a=gca();
        a.data_bounds = [0,-1;1,1];
        a.axes_visible = ["off","off","off"];
        a.box="off";
    
    subplot(3, 1, 3);
        plot(x, ymat3(i, :));
        a=gca();
        a.data_bounds = [0,-1;1,1];
        a.axes_visible = ["off","off","off"];
        a.box="off";
    
    xs2gif(0, fichier+string(i)+".gif")
end

Licensing

[edit]
I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
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.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current12:04, 14 January 2021Thumbnail for version as of 12:04, 14 January 2021610 × 460 (61 KB)Cdang (talk | contribs)axes and box removed
11:32, 13 January 2021Thumbnail for version as of 11:32, 13 January 2021610 × 460 (214 KB)Cdang (talk | contribs)Uploaded own work with UploadWizard

You cannot overwrite this file.

There are no pages that use this file.

File usage on other wikis

The following other wikis use this file:

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:Corde_vibrante_fixee_moitie_et_tiers.gif&oldid=868313733"