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ÎÒÓÐÒ»¸ö³ÌÐò£¬ÎҵijÌÐòÊ®·Ö¼òª£¬¼ûÁÂŶ£¬Ï£Íû´óÏÀ°ïæ ÎÊÌâ1£º ÆäÖÐÓÐÒ»¸öÇóʵ²¿µÄ¼ÆË㣬ÔõôËã³öÀ´ºó»¹ÓдøiµÄÏîÄØ£¬ ÎÊÌâ2£º ¹ØÓÚ×îºóµÄ»Í¼£¬ÎÒÊǰ´ÊéÉÏÀ´µÄ£¬Ôõô»¹ÓдíÎóÌáʾ£¿ ÒÉÎÊ3£º ÎÒ²»ÖªµÀ ÇóÒ»¸öY¹ØÓÚxµÄ±í´ïʽµ±xȡֵµÄʱºò£¬ÇóyµÄÖµ£¬ÔÚmatlabÀïÃæÔõôʵÏÖ£¿ ÎҵijÌÐòÈçÏ syms x y z a t f=0.1; g=(0.1)^2+((x-0.5)*cos(a)+y*sin(a))^2; k=f/g; pretty(k) intk=real(int(k,a,-pi/2,pi/2));%¾ÍÊÇÕâÀï pretty(intk); f1=exp(-t); n=t; f1n=f1/n; m=simple(symsum(f1n,t,g,inf));%(ÇóÖ÷Öµ£© k2=-1/g+2*m*exp(g)-2*pi*exp(g)*i; pretty(k2) gg=(-1*intk/pi-a*k2)/4*pi; pretty(gg) faix=diff(gg,x)-1.096045; h=faix*1.096045/9.8; ezmesh(h,[-2,1,-1,1]) ÎÒ²»¶®µÄ´íÎóÌáʾ£º ??? Error using ==> ezgraph3>ezfixfun at 665 The expression The expression limit £¨Ê¡ÂÔ£©must only have 2 symbolic variablesError in ==> ezgraph3>surfplot at 538 [F,var] = ezfixfun(F,fargs,flabel); Error in ==> ezgraph3 at 49 [dummy,h] = surfplot(f,domain,surfstyle,cax,Npts,fixdomain,flabel,fargs); %#ok Error in ==> ezmesh at 66 h = ezgraph3('mesh',args{:}); Error in ==> sym.ezmesh at 57 ezmesh(F,varargin{:}); Error in ==> step3 at 26 ezmesh(h1,[-2,1,-1,1]) [ Last edited by kuhailangyu on 2009-3-11 at 18:41 ] |
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cenwanglai
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2Â¥2009-03-17 14:22:44
michael503
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3Â¥2009-03-17 15:17:53
cenwanglai
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4Â¥2009-03-17 17:08:13














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