7Â¥: Originally posted by hxyue at 2011-12-07 15:56:07:
i =
   650
Elapsed time is 979.490715 seconds.
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%   ÐÞ¸Äʱ¼ä£º2011-12-08
%   ÐÞ¸ÄÄÚÈÝ£º
%   1.  ÒÔÑ¡¶¨µÄ×Ö·ûÊýΪһ¸öÎļþ½øÐÐÊä³ö¡£

clc
clear
tic;

S = zeros(1, 288);
S = sym(S);
for ii = 1 : 80
    S(ii) = sym(['k', num2str(ii)]);
end
%   S(81:93) = sym('0');
for ii = 94 : 173
    S(ii) = sym(['IV', num2str(ii - 93)]);
end
%   S(174 : 285) = sym('0');
S( 286 : 288 ) = sym('1');

for ii = 1:1152
t1 = S(66) + S(91) * S(92) + S(93) + S(171);
t2 = S(162) + S(175) * S(176) + S(177) + S(264);
t3 = S(243) + S(286) * S(287) + S(288) + S(69);
S = [t3, S(1:92), S(94:288)];
S = [S(1:93), t1, S(94:176), S(178:288)];
S = [S(1:177), t2, S(178:287)];
disp(ii)
end

s = char(S(1));
%   ÔÚÎı¾ÎĵµÖÐÿ¸ö×Ö·ûÕ¼1B£¬1M¿ÉÒÔ´¢´æÒÔÏÂÊýÁ¿µÄ×Ö·û£¬
%   Í¨¹ýunit¿ÉÒÔ×ÔÐÐÉèÖõ¥¸öÎļþµÄ´óС
unit = 1024 * 1024;
len = size(s, 2);
%   Í¨¹ýÏòÕýÎÞÇîÈ¡Õû£¬¿ÉÒÔ°üº¬Õû³ýºÍ·ÇÕû³ýµÄÇé¿ö¡£
fileNumber = ceil(len / unit);
%   Êä³öÇ°ÃæµÄn-1¸öÎļþ£¬ÕâЩÎļþ¿Ï¶¨ÊÇÌîÂúµÄ¡£
%   µÚÒ»¸öÎļþÃûΪchar1.txt
%   µÚ¶þ¸öÎļþÃûΪchar2.txt
%   ¡­¡­
jj = 1;
for ii = 1 : fileNumber - 1
    fid = fopen(['E:\char', num2str(ii), '.txt'], 'w');
    fprintf(fid,'%s',s(jj : jj + unit - 1));
    jj = jj + unit;
    fclose(fid);
    fprintf(['Êä³öµÚ', num2str(ii), '¸öÎļþ\n']);
end
%   Êä³ö×îºóÒ»¸öÎļþ£¬ÓпÉÄÜûÓÐÌîÂú£¬ËùÒÔÒªÓõ½end
fid = fopen(['E:\char', num2str(fileNumber), '.txt'], 'w');
fprintf(fid,'%s',s(jj : end));
fclose(fid);
fprintf(['Êä³öµÚ', num2str(fileNumber), '£¨×îºóÒ»¸ö£©¸öÎļþ\n']);

toc;