Transferred from en.wikipedia to Commons by Maksim.

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 更多信息请参阅Help:SVG/zh。 其他语言 Alemannisch ∙ Bahasa Indonesia ∙ Bahasa Melayu ∙ British English ∙ català ∙ čeština ∙ dansk ∙ Deutsch ∙ eesti ∙ English ∙ español ∙ Esperanto ∙ euskara ∙ français ∙ Frysk ∙ galego ∙ hrvatski ∙ Ido ∙ italiano ∙ lietuvių ∙ magyar ∙ Nederlands ∙ norsk bokmål ∙ norsk nynorsk ∙ occitan ∙ Plattdüütsch ∙ polski ∙ português ∙ português do Brasil ∙ română ∙ Scots ∙ sicilianu ∙ slovenčina ∙ slovenščina ∙ suomi ∙ svenska ∙ Tiếng Việt ∙ Türkçe ∙ vèneto ∙ Ελληνικά ∙ беларуская (тарашкевіца) ∙ български ∙ македонски ∙ нохчийн ∙ русский ∙ српски / srpski ∙ татарча/tatarça ∙ українська ∙ ქართული ∙ հայերեն ∙ বাংলা ∙ தமிழ் ∙ മലയാളം ∙ ไทย ∙ 한국어 ∙ 日本語 ∙ 简体中文 ∙ 繁體中文 ∙ עברית ∙ العربية ∙ فارسی ∙ +/−

 

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

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')

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) 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. )