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racoon01

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soliton923(½ð±Ò+1): лл²ÎÓëÌÖÂÛ~~ 2011-08-22 21:50:33
²¼Ð¡¶¡(½ð±Ò+5): 2011-11-18 15:35:19
Euler-Lagrange·½³Ì¿ÉÒÔºÍÐí¶à³£Î¢·Ö·½³ÌµÈ¼Û£¬È¡¾öÓÚÀ­ÊϺ¯ÊýµÄÑ¡Ôñ¡£
racoon
2Â¥2011-08-22 19:46:47
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zhzhtjpu

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3Â¥2011-08-23 00:11:51
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zhouuming_

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¿ÉÓÃmatlab±à³Ì

function y=lagr1(x0,y0,x)
n=length(x0); m=length(x);
for i=1:m
    z=x(i);s=0.0;
for k=1:n
       p=1.0;
for j=1:n
if j~=k            
p=p*(z-x0(j))/(x0(k)-x0(j));
         end
      end
      s=p*y0(k)+s;
      end
   y(i)=s;
end
Ilovematlab
4Â¥2011-09-29 17:43:43
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