File:Complex numbers addition.png
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Complex_numbers_addition.png (468 × 473 像素,檔案大小:16 KB,MIME 類型:image/png)
檔案資訊
結構化資料
說明
Transferred from en.wikipedia to Commons by Maksim.
The original description page was here. All following user names refer to en.wikipedia.
摘要
[編輯]Made by myself with matlab.
File:Complex numbers addition.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 addition.png → File:Complex numbers addition.svg
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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 |
原始碼
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.) |
原始上傳日誌
[編輯]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. )
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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 | 468 × 473(16 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=2.5; fs=30; d=0.004; red |
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