Image:Complex numbers addition.png

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La bildo estas kopiita de wikipedia:en. La originala priskribo estas:

Contents

Summary

Made by myself with matlab.

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Licensing

Public domain This image has been (or is hereby) released into the public domain by its author, Oleg Alexandrov at the English Wikipedia project. This applies worldwide.

In case this is not legally possible:
Oleg Alexandrov grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Source code

function main ()

% set up the plotting window
thickness=2.5; fs=30; d=0.004;
red=[1, 0, 0]; green=[0, 1, 0]; blue=[0, 0, 1];
figure(1); clf; hold on; axis equal; axis off; 
i=sqrt(-1);

z1=0; z2=1+0.2*i; z3=0.4+1.2*i;
plot_seg(z1, z2, red, thickness); 
plot_seg(z2, z3, green, thickness);
plot_seg(z3, z1, blue, thickness);

pt (z1, fs, 5, d, '0'); 
pt (z2, fs, 7, d, 'A');
pt (z3, fs, 3, d, 'B');
pt (z2+z3, fs, 1, d, 'X');

t=z2;
z1=z2+z3; z2=z3; z3=t;
plot_seg(z1, z2, red, thickness);
plot_seg(z2, z3, green, thickness);
plot_seg(z3, z1, blue, thickness);

saveas(gcf, 'Complex_numbers_addition.eps', 'psc2')
% convert from eps to png with shell command 
% convert -antialias -density 400 -scale 20% Complex_numbers_addition.eps Complex_numbers_addition.png

function plot_seg(z1, z2, color, thickness);
  plot( [real(z1), real(z2)], [imag(z1), imag(z2)], 'color', colour, 'linewidth', thickness );

function pt (z, fs, pos, d, tx)
 p=cos(pi/4)+sqrt(-1)*sin(pi/4);
 z = z + p^pos * d * fs; 
 shiftx=0.0003;
 shifty=0.002;
 x = real (z); y=imag(z); 
 H=text(x+shiftx*fs, y+shifty*fs, tx); set(H, 'fontsize', fs, 'HorizontalAlignment', 'c', 'VerticalAlignment', 'c')

date/time username edit summary
04:43, 24 October 2005 en:User:Oleg Alexandrov (source code)
03:44, 24 October 2005 en:User:Oleg Alexandrov (Made by myself with matlab.)
This chart was created with MATLAB.

Historio de la dosiero

Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.

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  • (del) (cur) 04:36, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 468x473 (16254 bytes) (Made by myself with matlab. )
  • (del) (rev) 04:34, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 234x237 (6597 bytes) (Made by myself with matlab. )
  • (del) (rev) 04:28, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 168x236 (6146 bytes) (Made by myself with matlab. )
  • (del) (rev) 04:26, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 130x236 (4374 bytes) (Made by myself with matlab. )
  • (del) (rev) 03:44, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 244x148 (4471 bytes) (Made by myself with matlab. )

File history

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

Date/Time Dimensions User Comment
current 18:33, 26 March 2006 468×473 (16 KB) Maksim (La bildo estas kopiita de wikipedia:en. La originala priskribo estas: == Summary == Made by myself with matlab. == Licensing == {{PD-self}} ==Source code== <pre><nowiki> function main () % set up the plotting window thickness=2.5; fs=30; d=0.004; red)
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