File:Complex numbers multiplication.png
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Complex_numbers_multiplication.png (242 × 180 pixels, file size: 3 KB, MIME type: image/png)
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Transferred from en.wikipedia to Commons by Maksim.
The original description page was here. All following user names refer to en.wikipedia.
Summary
[edit]Made by myself with matlab.
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Licensing
[edit]Public domainPublic domainfalsefalse |
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This work has been released into the public domain by its author, Oleg Alexandrov at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: Oleg Alexandrov grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse |
Source code
[edit]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=1+i; draw_segment(z1, z2, red, thickness); draw_segment(z2, z3, green, thickness); draw_segment(z3, z1, blue, thickness); place_text_smartly (z1, fs, 5, d, '0'); place_text_smartly (z2, fs, 7, d, '1'); place_text_smartly (z3, fs, 1, d, 'A'); z1=0; z2=2*i; z3=2*i*(1+i); draw_segment(z1, z2, red, thickness); draw_segment(z2, z3, green, thickness); draw_segment(z3, z1, blue, thickness); place_text_smartly (z2, fs, 1, d, 'B'); place_text_smartly (z3, fs, 3, d, 'X'); saveas(gcf, 'Complex_numbers_multiplication.eps', 'psc2') function draw_segment(z1, z2, color, thickness); plot( [real(z1), real(z2)], [imag(z1), imag(z2)], 'color', color, 'linewidth', thickness ); function place_text_smartly (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 |
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00:40, 22 November 2005 | en:User:Oleg Alexandrov | (changes to source code) |
04:45, 24 October 2005 | en:User:Oleg Alexandrov | (source code) |
03:44, 24 October 2005 | en:User:Oleg Alexandrov | (Made by myself with matlab.) |
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[edit]Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.
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- (del) (cur) 03:44, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 242x180 (3520 bytes) (Made by myself with matlab. )
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:33, 26 March 2006 | ![]() | 242 × 180 (3 KB) | Maksim (talk | contribs) | 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=2.8; fs=30; d=0.005; red= |
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