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ΪÁËÈ·¶¨Á½¸öδ֪²ÎÊý£¬½«Á½¸öÒÑÖªµã´øÈ뺯Êý±í´ïʽÖУ¬Á½¸öµã·Ö±ðΪ£¨1£¬inf£©ºÍ£¨-1.inf£©£¬¶ÔÓÚÕâÑùµÄ´æÔÚÆæÒìµãµÄ¶þÔª·ÇÏßÐÔ·½³Ì£¬ÊDz»ÊǼÆËã²»³öÀ´£¿ z= s*(log(2*w + 2*(w^2 - a^2)^(1/2)) + atan((w*(1 - a^2)^(1/2)*i)/(w^2 - a^2)^(1/2))*(1 - a^2)^(1/2)*i) ΪÁËÇóÈ¡aºÍsÁ½¸öδ֪²ÎÊý£¬´øÈ루w,z£©ÒÑÖªÓ³Éäµã£¨1,inf£©ºÍ£¨-1£¬inf£© £¬½øÐнⷽ³Ì£º >> [a,s]=solve(' s*(log(2*1 + 2*(1^2 - a^2)^(1/2)) + atan((1*(1 - a^2)^(1/2)*i)/(1^2 - a^2)^(1/2))*(1 - a^2)^(1/2)*i)=inf',' s*(log(2*(-1) + 2*((-1)^2 - a^2)^(1/2)) + atan(((-1)*(1 - a^2)^(1/2)*i)/((-1)^2 - a^2)^(1/2))*(1 - a^2)^(1/2)*i)=inf','a','s') Error using solve>processString (line 337) ' s*(log(2*1 + 2*(1^2 - a^2)^(1/2)) + atan((1*(1 - a^2)^(1/2)*i)/(1^2 - a^2)^(1/2))*(1 - a^2)^(1/2)*i)=inf ' is not a valid expression or equation. Error in solve>getEqns (line 267) eqns = processString(eqns, v, vc); Error in solve (line 150) [eqns,vars,options] = getEqns(varargin{:}); |
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