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woshilsh
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2Â¥2009-04-06 23:52:43
doctorzfj
Ìú¸Ëľ³æ (ÕýʽдÊÖ)
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3Â¥2009-04-07 08:51:25
woshilsh
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- Ó¦Öú: 43 (СѧÉú)
- ¹ó±ö: 10.33
- ½ð±Ò: 21115.1
- É¢½ð: 737
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- ÔÚÏß: 639.7Сʱ
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zhangyatao(½ð±Ò+2,VIP+0):лл֧³Ö£¡ 4-9 10:38
zhangyatao(½ð±Ò+2,VIP+0):лл֧³Ö£¡ 4-9 10:38
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4Â¥2009-04-08 13:02:49
nie_jia
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5Â¥2009-04-08 23:38:15
sunxiao
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zhangyatao(½ð±Ò+4,VIP+0):ллÌṩÐÅÏ¢£¡ 4-9 10:38
zhangyatao(½ð±Ò+4,VIP+0):ллÌṩÐÅÏ¢£¡ 4-9 10:38
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6Â¥2009-04-08 23:40:31
hitzhang
ľ³æ (ÕýʽдÊÖ)
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- ×¢²á: 2007-06-02
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woshilsh(½ð±Ò+3,VIP+0):ллÄúµÄÈÈÐĽâ´ð£¡ 4-11 07:59
woshilsh(½ð±Ò+3,VIP+0):ллÄúµÄÈÈÐĽâ´ð£¡ 4-11 07:59
|
>> Kol=0.017;D=0.138e-4;V0=0.11;R=4.25e-4;Z=0;c=0.001;c0=c; >> x=0:1e5; >> yy=D*x.*besselj(1,R*x)-Kol*besselj(0,R*x); >> y=yy.^2; >> y1=y(2:100000);y2=y(1:99999);y3=y(3:100001); >> l=logical([0 (y1 >> plot(x,yy);hold on;scatter(xn,zeros(size(xn)));title('\lambda_{n} roots in [0 10^{5}]') >> An=2*c0./(R*besselj(1,R*xn).*(1+D^2*xn.^2/Kol^2).*xn); >> [z r]=meshgrid(linspace(0,0.01,100),linspace(0,0.05,100)); >> zz=z( ;rr=r( ;>> AAn=repmat(An,10000,1); >> xxn=repmat(xn,10000,1); >> zzz=repmat(zz,1,14); >> rrr=repmat(rr,1,14); >> C=AAn.*exp(-xxn.^2.*zzz*D/V0).*besselj(0,rrr.*xxn); >> c=sum(C,2); >> c=reshape(c,size(z)); >> surf(z,r,c) >> camlight right; >> lighting phong; >> shading interp >> axis tight,box on >> grid off >> xlabel('{\itz}') >> ylabel('{\itr}') >> zlabel('{\itc}({\itz},{\itr})') >> |
7Â¥2009-04-10 21:28:34
















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