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clc;clear;
l=0.8;f = 0.8; k = (2*pi)/l; x = 0;
w=l/(f*pi);z0=k*(w)^2/2;
R=6;w0=R*w;z01=k*(w0)^2/2;
t=3000:3200;[X,Y,Z] = cylinder((t-3000)/10-10,200);
Z=Z*200+3000;
I=(exp(((-2).*(X.^2))./((w).^2*(1+Z.^2./z0^2))).*exp(((-2).*(Y.^2))./((w0).^2*(1+Z.^2./(z01)^2))))./((1+Z.^2./z0^2).^(0.5).*(1+Z.^2./(z01)^2).^(0.5));

hx=mesh(X,Y,Z,I);
set(hx,'FaceColor','interp','Facealpha',0.7)
axis tight,set(gca,'PlotBoxAspectRatio',[1 1 5])
xlabel('X, \mum'),ylabel('Y, \mum'),zlabel('Z, \mum')
grid off
colorbar
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[ Last edited by nono2009 on 2009-9-23 at 14:17 ]
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hitzhang

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sunxiao(½ð±Ò+4,VIP+0):лл²ÎÓë½»Á÷£¬»¶Ó­³£À´·ÂÕæ±à³Ì°æ 4-1 22:40
>> l=0.8;f = 0.8; k = (2*pi)/l; x = 0;
w=l/(f*pi);z0=k*(w)^2/2;
R=6;w0=R*w;z01=k*(w0)^2/2;
t=3000:3200;[X,Y,Z] = cylinder((t-3100).^2/10000+2,200);
Z=Z*200+3000;
I=(exp(((-2).*(X.^2))./((w).^2*(1+Z.^2./z0^2))).*exp(((-2).*(Y.^2))./((w0).^2*(1+Z.^2./(z01)^2))))./((1+Z.^2./z0^2).^(0.5).*(1+Z.^2./(z01)^2).^(0.5));
hx=mesh(X,Y,Z,I);
set(hx,'FaceColor','interp','Facealpha',0.7)
axis tight,set(gca,'PlotBoxAspectRatio',[1 1 5])
xlabel('X, \mum'),ylabel('Y, \mum'),zlabel('Z, \mum')
grid off
colorbar
>>
2Â¥2009-04-01 20:55:40
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lxy6522

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¶àлÁË!!µ«¶ÔÕâ¸öÓï¾ä²»Ì«Àí½â,ÇëÏêϸ½âÊÍÒ»ÏÂ
cylinder((t-3100).^2/10000+2,200);
3Â¥2009-04-01 21:23:57
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hitzhang

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kuhailangyu(½ð±Ò+2,VIP+0):¸ÐлÄãµÄÈÈÐİïÖú£¡ 4-2 09:42
t-3100).^2/10000+2ÊÇÐýתÇúÃæµÄĸÏß·½³Ì¡£ÏêϸÇëÔËÐÐÏÂÃæÃüÁî
>>doc cylinder
4Â¥2009-04-01 22:45:16
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lxy6522

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windhair

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kuhailangyu(½ð±Ò+1,VIP+0):лл²ÎÓ룡 4-2 20:28
ԭͼӦ¸ÃÊÇÓÃmathematica »­µÄ°É£¬ matlabµÄcylinderÉú³ÉµÄÖùÓ¦¸Ã¶¼ÊÇÔ²µÄ°É£¬Ö»ÊÇ×ÓÎçÏßÊǿɸø³öµÄ£¬±ä½ØÃæµÄ²»ÖªµÀÓÐûÓÐÄÚÖú¯Êý£¬×Ô¼ºÐ´Ò»¸ö²ÎÊýº¯Êý¼ÆËã³ÌÐòÒ²¿ÉÒԵİÉ
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woshilsh

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7Â¥2009-04-02 22:24:16
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lxy6522

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ÎҸоõÒ²ÊÇÓÃmathmatic×öµÄ,µ«¶ÔÕâ¸ö²»ÊǺÜÊìϤ,»¹Çë°ïæ!!
8Â¥2009-04-03 13:32:32
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hitzhang

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lxy6522

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