File:Complex numbers multiplication.png
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Complex_numbers_multiplication.png (242 × 180像素,文件大小:3 KB,MIME类型:image/png)
文件信息
结构化数据
说明
Transferred from en.wikipedia to Commons by Maksim.
The original description page was here. All following user names refer to en.wikipedia.
摘要[编辑]
Made by myself with matlab.
File:Complex numbers multiplication.svg是此文件的矢量版本。 如果此文件质量不低于原点阵图,就应该将这个PNG格式文件替换为此文件。
File:Complex numbers multiplication.png → File:Complex numbers multiplication.svg
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许可协议[编辑]
Public domainPublic domainfalsefalse |
本作品已被作者英语维基百科的Oleg Alexandrov释出到公有领域。这适用于全世界。 在一些国家这可能不合法;如果是这样的话,那么: Oleg Alexandrov无条件地授予任何人以任何目的使用本作品的权利,除非这些条件是法律规定所必需的。Public domainPublic domainfalsefalse |
Source code[编辑]
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.) |
原始上传日志[编辑]
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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/时间 | 缩略图 | 大小 | 用户 | 备注 | |
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当前 | 2006年3月26日 (日) 18:33 | 242 × 180(3 KB) | Maksim(留言 | 贡献) | 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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