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¿´ÓÐûÓÐʲôµØ·½¿ÉÒÔÓÅ»¯£¿ clear all; fp=fopen('c:\\1.txt','w'); tic min=6; num=0; for i=1:500 l=GETBIT(i,0) + GETBIT(i,1)*sym('x1') + GETBIT(i,2)*sym('x2') + GETBIT(i,3)*sym('x3') + GETBIT(i,4)*sym('x4') + GETBIT(i,5)*sym('x5') + GETBIT(i,6)*sym('x6') + GETBIT(i,7)*sym('x7') + GETBIT(i,8)*sym('x1*x2') + GETBIT(i,9)*sym('x1*x3') + GETBIT(i,10)*sym('x1*x4') + GETBIT(i,11)*sym('x1*x5') + GETBIT(i,12)*sym('x1*x6') + GETBIT(i,13)*sym('x1*x7') + GETBIT(i,14)*sym('x2*x3') + GETBIT(i,15)*sym('x2*x4') + GETBIT(i,16)*sym('x2*x5') + GETBIT(i,17)*sym('x2*x6') + GETBIT(i,18)*sym('x2*x7') + GETBIT(i,19)*sym('x3*x4') + GETBIT(i,20)*sym('x3*x5') + GETBIT(i,21)*sym('x3*x6') + GETBIT(i,22)*sym('x3*x7') + GETBIT(i,23)*sym('x4*x5') + GETBIT(i,24)*sym('x4*x6') + GETBIT(i,25)*sym('x4*x7') + GETBIT(i,26)*sym('x5*x6') + GETBIT(i,27)*sym('x5*x7') + GETBIT(i,28)*sym('x6*x7') ; f=sym(' x1 + x1*x3+ x2*x3+x4 + x1*x4 + x2*x4 + x1*x2*x4 + x3*x4 + x1*x3*x4 + x1*x2*x3*x4 + x1*x3*x5 + x4*x5 + x1*x2*x4*x5 + x1*x2*x3*x4*x5 + x6 + x2*x6 + x1*x2*x6 + x1*x2*x3*x6 + x1*x2*x4*x6 + x1*x2*x3*x4*x6 + x1*x5*x6 + x3*x5*x6 + x1*x4*x5*x6 + x3*x4*x5*x6 + x7 + x2*x7 + x1*x2*x7 + x2*x3*x7 + x1*x4*x7+ x1*x2*x4*x7+ x1*x2*x3*x4*x7 +x5*x7 +x1*x5*x7 +x1*x3*x5*x7 +x1*x2*x3*x5*x7 +x2*x4*x5*x7 +x2*x3*x4*x5*x7 +x6*x7 +x1*x2*x6*x7 +x1*x3*x6*x7 +x1*x2*x3*x6*x7 +x2*x4*x6*x7 +x1*x3*x4*x6*x7 +x2*x3*x4*x6*x7 +x5*x6*x7 +x2*x5*x6*x7 +x1*x2*x5*x6*x7 +x2*x3*x5*x6*x7 +x1*x4*x5*x6*x7 +x3*x4*x5*x6*x7'); s=char(expand(l*f)); s=strrep(s,'^2',''); s=strrep(s,' 2*',' 0*'); s=strrep(s,' 4*',' 0*'); s=strrep(s,' 6*',' 0*'); s=strrep(s,' 8*',' 0*'); s=char(expand(sym(s))); s=strrep(s,' 2*',' 0*'); s=strrep(s,' 4*',' 0*'); s=strrep(s,' 6*',' 0*'); s=strrep(s,' 8*',' 0*'); s=strrep(s,' 10*',' 0*'); s=char(expand(sym(s))); s=strrep(s,'x1','x'); s=strrep(s,'x2','x'); s=strrep(s,'x3','x'); s=strrep(s,'x4','x'); s=strrep(s,'x5','x'); s=strrep(s,'x6','x'); s1=strrep(s,'x7','x'); fprintf(fp,'%d\r\n',i); if(poly_degree(s1)<=min&poly_degree(s1)>0) min=poly_degree(s1); num=i; end end fprintf(fp,'%d,%d\r\n',min,num); fclose(fp); toc; |
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3Â¥2012-10-08 13:39:47
Toauto
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cw277: ½ð±Ò+2, ¡ïÓаïÖú, ÄÇÎҾͶ¨ÒåһЩ±äÁ¿Ìæ»»ËüÃÇ¡£ 2012-10-10 09:49:03
cw277: ½ð±Ò+5, ¡ïÓаïÖú 2012-10-18 10:35:23
xzhdty: лл 2012-10-18 12:51:04
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cw277: ½ð±Ò+2, ¡ïÓаïÖú, ÄÇÎҾͶ¨ÒåһЩ±äÁ¿Ìæ»»ËüÃÇ¡£ 2012-10-10 09:49:03
cw277: ½ð±Ò+5, ¡ïÓаïÖú 2012-10-18 10:35:23
xzhdty: лл 2012-10-18 12:51:04
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2Â¥2012-10-08 12:04:58













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