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libralibra

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% ¹¹ÔìÔ²ÐľØÕó[x,y,z],Èç¹ûÄãÓÐÕâЩÊý¾Ý¾Í²»ÓÃÁË
centers = [];
for i=1:20*20*20
    [x,y,z] = ind2sub([20,20,20],i);
    if sqrt((x-10)^2+(y-10)^2+(z-10)^2)<=8
        centers(end+1,:) = [x,y,z];
    end
end

% ×÷ͼ
figure, plot3(centers(:,1),centers(:,2),centers(:,3),'ko','MarkerFaceColor','w','MarkerSize',13);
title(['N = ',num2str(size(centers,1))]);

% ÏÔʾ²ÎÊý
grid on, box on
axis equal

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matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
3Â¥2012-04-10 01:23:42
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[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
4Â¥2012-04-10 10:05:18
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3Â¥: Originally posted by libralibra at 2012-04-10 01:23:42:
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% ¹¹ÔìÔ²ÐľØÕó,Èç¹ûÄãÓÐÕâЩÊý¾Ý¾Í²»ÓÃÁË
centers = [];
for i=1:20*20*20
     = ind2sub(,i);
    ...

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[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
5Â¥2012-04-10 10:08:32
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гæ (³õÈëÎÄ̳)

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2Â¥: Originally posted by baksi at 2012-04-10 01:13:35:
ÎÒ¾õµÃOrigin»òMatlab¶¼¿ÉÒÔ¡£²»ÖªµÀÊÇ·ñÕýÈ·Àí½âÁËÄãµÄÒâ˼¡£

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[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
6Â¥2012-04-10 10:10:49
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libralibra

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

æôÆï½«¾ü

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
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ÕŰ²ç÷: ½ð±Ò+3, ¡ï¡ï¡ïºÜÓаïÖú 2012-04-10 19:50:59
Äã×Ðϸ¿´ÎÒÉÏÃæµÄ´úÂë,
¹¹ÔìÔ²ÐÄ×ø±êµÄʱºò,ÏÈ×öÁËÒ»¸öÔ²ÐÄÔÚ(10,10,10),°ë¾¶Îª8µÄÇò,È»ºóÅжÏËùÓÐ[20,20,20]ÇøÓòÄÚµÄ×ø±ê,Èç¹ûÔÚÇòÄÚ,¾Í°ÑÔ²ÐÄÌí¼Óµ½×¼±¸»­µÄÄǸöcentersÔ²ÐÄ×ø±ê¾ØÕó,
»­Í¼µÄʱºò,¶ÔËùÓÐcentersÀïÃæµÄµã,ÒÔËüΪÇòÐÄ»­µã,Ö»ÊÇÕâ¸öµãµÄsizeÓеã´óÊÇ13.Òò´Ë¿´ÆðÀ´ÊÇСÇò.

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ÈÎÒâÐÎ×´Ò²ÊÇÒ»¸ö˼Ïë,ÕÒµ½ËùÓеã,È»ºó»­.
matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
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