File:Ueberlagerung gegenlaeufiger Wellen -01.gif

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Ueberlagerung_gegenlaeufiger_Wellen_-01.gif ‎(435 × 343 pixels, file size: 313 KB, MIME type: image/gif, looped, 80 frames)

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Description
Deutsch: Animated GIF Stehende Welle 
% MATLAB, Herbert Weidner
r = -0.1; %Reflexionsfaktor
steps = 1/80; zeit = (0.: steps : 3.);
wave = sin( 2. * pi * zeit);
%huell=zeros(1,length(zeit)); %nur bei init !
hinlaufend = sin (2. * pi * zeit - 2. * pi * phi);
ruecklaufend = -r*sin (2. * pi * zeit + 2. * pi * phi);
sum = hinlaufend + ruecklaufend;
plot(zeit,hinlaufend, zeit,ruecklaufend, zeit,sum, zeit,huell)
ylim([-2 2])
active.BackgroundColor = [0 0 0];
axis tight
set(gcf,'nextplot','replacechildren','visible','off')
f = getframe; k=1;
[im,map] = rgb2ind(f.cdata,256,'nodither');
for phi=steps:steps:1
hinlaufend = sin (2. * pi * zeit - 2. * pi * phi);
ruecklaufend = -r*sin (2. * pi * zeit + 2. * pi * phi);
%vertauschtes VZ wegen Schreibrichtung links->rechts
sum = hinlaufend + ruecklaufend;
%huell=max(huell,sum); %nur bei init !
plot(zeit,hinlaufend, zeit,ruecklaufend, zeit,sum, zeit,huell)
ylim([-2 2]); f = getframe;
im(:,:,1,k) = rgb2ind(f.cdata,map,'nodither'); k=k+1;
end
imwrite(im,map,'SWR-01.gif','DelayTime',0,'LoopCount',inf)
Date
Source Own work (Original text: selbst programmiert)
Author

Herbertweidner (Diskussion)

Herbertweidner at German Wikipedia

Licensing

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Transferred from de.wikipedia to Commons by Wdwd using CommonsHelper.

The original description page was here. All following user names refer to de.wikipedia.
  • 2012-10-16 21:07 Herbertweidner 435×343× (320977 bytes) {{Information |Beschreibung = animated GIF Stehende Welle % MATLAB, Herbert Weidner r = -0.1; %Reflexionsfaktor steps = 1/80; zeit = (0.: steps : 3.); wave = sin( 2. * pi * zeit); %huell=zeros(1,length(zeit)); %nur bei init ! hinlaufend = sin (2.…

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Date/TimeThumbnailDimensionsUserComment
current17:58, 28 October 2012Thumbnail for version as of 17:58, 28 October 2012435 × 343 (313 KB)File Upload Bot (Magnus Manske) (talk | contribs)Transfered from de.wikipedia by User:wdwd using CommonsHelper

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