La bildo estas kopiita de wikipedia:en. La originala priskribo estas:
Summary
Made by myself with matlab.
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Licensing
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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=2.8; fs=30; d=0.005;
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; z3=2+i;
plot_seg(z1, z2, red, thickness);
plot_seg(z2, z3, green, thickness);
plot_seg(z3, z1, blue, thickness);
pt (z1, fs, 4, d, '0');
pt (z2, fs, 0, d, '1');
pt (z3, fs, 1, d, 'A');
z1=0; z2=1; z3=2-i;
plot_seg(z1, z2, red, thickness);
plot_seg(z2, z3, green, thickness);
plot_seg(z3, z1, blue, thickness);
pt (z3, fs, 7, d, 'X');
saveas(gcf, 'Complex_numbers_conjugation.eps', 'psc2')
% convert from eps to png with the shell command
% convert -antialias -density 400 -scale 20% Complex_numbers_conjugation.eps Complex_numbers_conjugation.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 |
04:59, 24 October 2005 |
en:User:Oleg Alexandrov |
(fix bug) |
04:58, 24 October 2005 |
en:User:Oleg Alexandrov |
(source code) |
03:45, 24 October 2005 |
en:User:Oleg Alexandrov |
(Made by myself 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) 03:45, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 236x238 (4756 bytes) (Made by myself with matlab. )
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