File:Complex numbers multiplication.png
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Complex_numbers_multiplication.png (242 × 180 像素,檔案大小:3 KB,MIME 類型: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.
摘要[編輯]
Made by myself with matlab.
File:Complex numbers multiplication.svg是本檔案的向量版本。 如果品質不低,就應該優先使用該檔案,而非PNG檔案。
File:Complex numbers multiplication.png → File:Complex numbers multiplication.svg
更多資訊請參閱Help:SVG/zh。
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授權條款[編輯]
Public domainPublic domainfalsefalse |
此作品已由其作者,英文維基百科的Oleg Alexandrov,釋出至公有領域。此授權條款在全世界均適用。 這可能在某些國家不合法,如果是的話: Oleg Alexandrov授予任何人有權利使用此作品於任何用途,除受法律約束外,不受任何限制。Public domainPublic domainfalsefalse |
Source code[編輯]
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 | 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.) |
原始上傳日誌[編輯]
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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日期/時間 | 縮圖 | 尺寸 | 使用者 | 備註 | |
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目前 | 2006年3月26日 (日) 18:33 | 242 × 180(3 KB) | Maksim(留言 | 貢獻) | 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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