File:Complex numbers addition.png
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Complex_numbers_addition.png (468 × 473像素,文件大小:16 KB,MIME类型:image/png)
Transferred from en.wikipedia to Commons by Maksim.
The original description page was here. All following user names refer to en.wikipedia.
摘要
Made by myself with matlab.
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许可协议
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 |
源代码
InfoField
MATLAB code
function main ()
% set up the plotting window
thickness=2.5; fs=30; d=0.004;
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+0.2*i; z3=0.4+1.2*i;
plot_seg(z1, z2, red, thickness);
plot_seg(z2, z3, green, thickness);
plot_seg(z3, z1, blue, thickness);
pt (z1, fs, 5, d, '0');
pt (z2, fs, 7, d, 'A');
pt (z3, fs, 3, d, 'B');
pt (z2+z3, fs, 1, d, 'X');
t=z2;
z1=z2+z3; z2=z3; z3=t;
plot_seg(z1, z2, red, thickness);
plot_seg(z2, z3, green, thickness);
plot_seg(z3, z1, blue, thickness);
saveas(gcf, 'Complex_numbers_addition.eps', 'psc2')
% convert from eps to png with shell command
% convert -antialias -density 400 -scale 20% Complex_numbers_addition.eps Complex_numbers_addition.png
function plot_seg(z1, z2, color, thickness);
plot( [real(z1), real(z2)], [imag(z1), imag(z2)], 'color', color, 'linewidth', thickness );
function pt (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 |
---|---|---|
04:43, 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
Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.
Click on date to download the file or see the image uploaded on that date.
- (del) (cur) 04:36, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 468x473 (16254 bytes) (Made by myself with matlab. )
- (del) (rev) 04:34, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 234x237 (6597 bytes) (Made by myself with matlab. )
- (del) (rev) 04:28, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 168x236 (6146 bytes) (Made by myself with matlab. )
- (del) (rev) 04:26, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 130x236 (4374 bytes) (Made by myself with matlab. )
- (del) (rev) 03:44, 24 October 2005 . . en:User:Oleg_Alexandrov Oleg Alexandrov ( en:User_talk:Oleg_Alexandrov Talk) . . 244x148 (4471 bytes) (Made by myself with matlab. )
此文件中描述的项目
描绘内容
受版权保护,并由版权所有者释出于公有领域 简体中文(已转写)
著作权持有者释出至公有领域 简体中文(已转写)
image/png
数据大小 简体中文(已转写)
16,254 字节
473 像素
468 像素
文件历史
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日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
---|---|---|---|---|---|
当前 | 2006年3月26日 (日) 18:33 | 468 × 473(16 KB) | Maksim | 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=2.5; fs=30; d=0.004; red |
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