La bildo estas kopiita de wikipedia:en. La originala priskribo estas:
[edit] Licensing
function main()
clf; hold on; axis equal; axis off; % prepare the screen
linewidth=3; i=sqrt(-1); N=50; height=0.3; V=[]; M=[]; % initialize variables
white=0.99*[1, 1, 1]; red=[1, 0, 0]; lightblue=[135 206 250]/256;
Z=[0, 1, 0.5+i*sqrt(3)/2.0]; L=length(Z);
[V, M]=corner (N, V, M, Z(L), Z(1), Z(2), height);
for k=2:(L-1)
[V, M]=corner (N, V, M, Z(k-1), Z(k), Z(k+1), height);
end
[V, M]=corner (N, V, M, Z(L-1), Z(L), Z(1), height);
H=fill(real(V), imag(V), lightblue); set(H, 'LineWidth', linewidth/2, 'EdgeColor', lightblue)
for k=1:L
W=M(k, :);
plot(W, 'color', red, 'linewidth', linewidth)
end
% force the window to be a bit bigger than the picture
Winxmin=min(real(V)); Winxmax=max(real(V));
Winymin=min(imag(V)); Winymax=max(imag(V));
bd=0.1;
plot(Winxmin-bd, Winymin-bd, 'color', white);
plot(Winxmax+bd, Winymax+bd, 'color', white);
saveas(gcf, 'Extreme_points_illustration.eps', 'psc2')
% make a rounded corner at b with edges going towards a and c (all complex numbers)
function [V, M]=corner (N, V, M, a, b, c, height)
i=sqrt(-1);
v=-i*height*(b-a)/abs(b-a); w=-i*height*(c-b)/abs(c-b);
theta1=atan2(imag(v), real(v)); theta2=theta1+atan2(imag(w/v), real(w/v));
Theta=linspace(theta1, theta2, N);
C=b+height*exp(i*Theta);
M=[M', C']'; V=[V, C];
date/time |
username |
edit summary |
06:32, 21 November 2005 |
en:User:Oleg Alexandrov |
(<span class="autocomment"><a href="/wiki/Image:Extreme_points_illustration.png#Source_code_in_MATLAB" title="Image:Extreme points illustration.png">→</a>Source code in <a href="/wiki/MATLAB" title="MATLAB">MATLAB</a></span>) |
01:33, 21 November 2005 |
en:User:Oleg Alexandrov |
(+source code) |
01:30, 21 November 2005 |
en:User:Oleg Alexandrov |
|
[edit] Historio de la dosiero
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.
Cliquer sur une date et une heure pour voir le fichier tel qu’il était à ce moment-là
La page ci-dessous contient cette image :