Complex_numbers_multiplication.png (download) (242 × 180 pixels, file size: 3 KB, MIME type: image/png)
La bildo estas kopiita de wikipedia:en. La originala priskribo estas:
Summary Edit
Made by myself with matlab.
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Licensing Edit
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: 
Source codeEdit
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  

00:40, 22 November 2005    04:45, 24 October 2005    03:44, 24 October 2005  }
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current  09:15, November 4, 2007  242 × 180 (3 KB)  PhloxBot (Talk  contribs)  La bildo estas kopiita de wikipedia:en. La originala priskribo estas: == Summary == Made by myself with matlab. Category:Complex numbers {{SVGmath}} == Licensing == {{PDuserenOleg Alexandrov}} ==Source code== <pre><nowiki> function main () % 