File:Inversion illustration2.png
Inversion_illustration2.png (503 × 503 pixels, file size: 19 KB, MIME type: image/png)
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Summary edit
Transferred from en.wikipedia to Commons by Maksim.
The original description page was here. All following user names refer to en.wikipedia.
Licensing edit
Public domainPublic domainfalsefalse |
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. |
Source code (Matlab) edit
function main() line_thickness=2.5; font_size=25; ball_rad=0.035; N=100; Theta=0:1/N:2*pi; X=cos(Theta); Y=sin(Theta); red=[1, 0, 0]; black=[0, 0, 0]; green=[0, 1, 0.2]; blue=[0, 0, 1]; white=0.99*[1, 1, 1]; clf; hold on; axis equal; axis off r=1; z=0.0; p=0.24*i+0.24; q=i*p; L=100; T=-L:(1/N):L; T=p+q*T; Tp=1./conj(T); plot(X, Y, 'color', red, 'linewidth', line_thickness); plot(real(Tp), imag(Tp), 'color', blue, 'linewidth', line_thickness) plot(real(T), imag(T), 'color', green, 'linewidth', line_thickness) color_ball(real(z), imag(z), ball_rad, red); place_text_smartly (z, font_size, 5, 'O'); V1=3.4; plot(V1, V1, '.', 'color', white) V2=2.6; plot(-V2, -V2, '.', 'color', white) axis([-V2 V1 -V2 V1]); saveas(gcf, 'inversion_illustration2.eps', 'psc2'); function place_text_smartly (z, font_size, pos, tx) N=8; d=0.013; shiftx=0.002; shifty=0.006; p=cos(2*pi/N)+sqrt(-1)*sin(2*pi/N); z = z + p^pos * d * font_size; x = real (z); y=imag(z); H=text(x+shiftx*font_size, y+shifty*font_size, tx); set(H, 'fontsize', font_size, 'HorizontalAlignment', 'c', 'VerticalAlignment', 'c') function color_ball(x, y, r, color) Theta=0:0.1:2*pi; X=r*cos(Theta)+x; Y=r*sin(Theta)+y; H=fill(X, Y, color); set(H, 'EdgeColor', 'none');
date/time | username | edit summary |
---|---|---|
02:47, 19 November 2005 | en:User:Oleg Alexandrov | (+source code) |
02:45, 19 November 2005 | en:User:Oleg Alexandrov |
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- (del) (cur) 02:49, 19 November 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 503x503 (19102 bytes)
- (del) (rev) 02:45, 19 November 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 503x503 (19065 bytes)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:53, 19 March 2006 | 503 × 503 (19 KB) | Maksim (talk | contribs) | La bildo estas kopiita de wikipedia:en. La originala priskribo estas: == Licensing == {{PD-self}} ==Source code (Matlab)== <pre> <nowiki> function main() line_thickness=2.5; font_size=25; ball_rad=0.035; N=100; Theta=0:1/N:2*pi; X=cos(Theta |
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