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sudo
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zhmdream(½ð±Ò+10): ÕâÑùËäÈ»¿ÉÒÔ£¬µ«ÊǶÔÓÚÊäÈëÈÎÒâµÄa£¬»¹ÊÇÊÖ¶¯¸Ä£¬±È½ÏÂé·³ 2011-10-10 10:19:02
zhmdream(½ð±Ò+5): лл 2011-10-10 11:05:26
zhmdream(½ð±Ò+45): ллÀ²£¡ÎÊÌâ½â¾ö²î²»¶àÁË¡£ÎÒÖ®ºóÔÙ··Ê飬Ïû»¯Ïû»¯¡£¿´À´ÎÒ»¹ÊǶԺܶຯÊýºÍÃüÁîÀí½âÌ«ÉÙÁË¡£ºÇºÇ 2011-10-10 18:31:10
zhmdream(½ð±Ò+5): лл 2011-10-10 11:05:26
zhmdream(½ð±Ò+45): ллÀ²£¡ÎÊÌâ½â¾ö²î²»¶àÁË¡£ÎÒÖ®ºóÔÙ··Ê飬Ïû»¯Ïû»¯¡£¿´À´ÎÒ»¹ÊǶԺܶຯÊýºÍÃüÁîÀí½âÌ«ÉÙÁË¡£ºÇºÇ 2011-10-10 18:31:10
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SOLVE Symbolic solution of algebraic equations. solveÊÇÓÃÀ´½â³ö·ûºÅ½âµÄÀ²£¬ËùÒÔsolveÀïÃæ×Ö·û´®ÀïÃæµÄaºÍÄ㶨ÒåµÄa²¢²»ÊÇͬһ¸ö Äã¿ÉÒÔÓÃsubsº¯Êý ÕâÑù¾Í°Ñ5¡°´úÈëµ½·ûºÅ±í´ïʽ¡±ÖУ¬Çó³öÊýÖµ½âÀ´ÁË PS£ºÈç¹ûsolve²»ÄÜÇó³öһЩ·½³ÌµÄ½âÎö½â£¬ÄÇôӦ¸Ã¿¼ÂÇÓÃÆäËüÊýÖµ·½·¨ |
2Â¥2011-10-10 08:59:15
sudo
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- ×¢²á: 2011-02-24
- ÐÔ±ð: GG
- רҵ: ÎÄÒÕÃÀѧ
3Â¥2011-10-10 10:36:37
zhmdream
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ллÀ²£¡ºÇºÇ£¬ÆäʵÎÒÊÇÏë±àÒ»¸öÕâÑùµÄ³ÌÐò£º c=input('ÇëÊäÈëc:') a=x+1; b=2*x+3; A=solve('a*b+2*x+a-b=c'); subs(A,a); subs(A,b); subs(A,c); ans a¡¢b°üº¬ÁËx£¬È»ºóÇó½âx¡£µ«ÊÇÔËÐл¹ÊdzöÏÖÁËÒÔǰµÄÎÊÌ⣺ ÇëÊäÈëc:2 c =2 ans =-1/2*a*b-1/2*a+1/2*b+1 ºÇºÇ£¬ÎÒÊǸÕѧMatlab£¬²»ÊǺܶ®£¬ËùÒÔÏëÒ»²½Ò»²½ÅªÃ÷°×¡£Ð»Ð»°ïæ¡£°ïÎÒ¿´¿´ÎÊÌâ³öÔÚÄĶù£¿Ê£ÏÂ50½ð±ÒÈ«¸øÄãÁË¡£ |

4Â¥2011-10-10 11:04:43
sudo
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΢³¾¡¢ÃÎÏë(½ð±Ò+5): лл²ÎÓëÓ¦Öú~ 2011-10-10 19:48:48
΢³¾¡¢ÃÎÏë(½ð±Ò+5): лл²ÎÓëÓ¦Öú~ 2011-10-10 19:48:48
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4Â¥: Originally posted by zhmdream at 2011-10-10 11:04:43: ллÀ²£¡ºÇºÇ£¬ÆäʵÎÒÊÇÏë±àÒ»¸öÕâÑùµÄ³ÌÐò£º c=input('ÇëÊäÈëc:') a=x+1; b=2*x+3; A=solve('a*b+2*x+a-b=c'); subs(A,a); subs(A,b); subs(A,c); ans a¡¢b°üº¬ÁËx£¬È»ºóÇó½âx¡£µ«ÊÇÔËÐл¹ÊdzöÏÖÁË ... àÅ£¬ÂýÂýÀ´°Éc=input('ÇëÊäÈëc:'); syms x; a=x+1; b=2*x+3; f=a*b+2*x+a-b; %¹¹Ôì·½³ÌʽµÄ×ó±ß %½«·½³Ìʽ¹¹ÔìΪ×Ö·û´® equation = [char(f) ' = ' num2str(c,9)]; %num2str°ÑÊýֵתΪ×Ö·û´®£¬µÚ¶þ¸ö²ÎÊýÊÇÓÐЧÊý×Ö %¼ÆËã·ûºÅ½â£¨¾¹ýÉÏÃæµÄÔËËãequationÀïÃæÖ»ÓÐÒ»¸ö±äÁ¿x£© A=solve(equation, 'x') %Êä³öÊýÖµ½â double(A) |
5Â¥2011-10-10 15:01:08
sudo
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¡ï
jjdg(½ð±Ò+1): ¸Ðл²ÎÓë 2011-10-12 04:53:36
jjdg(½ð±Ò+1): ¸Ðл²ÎÓë 2011-10-12 04:53:36
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6Â¥2011-10-10 15:02:06
wanyshenger
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5Â¥: Originally posted by sudo at 2011-10-10 15:01:08 àÅ£¬ÂýÂýÀ´°Éc=input('ÇëÊäÈëc:'); syms x; a=x+1; b=2*x+3; f=a*b+2*x+a-b; %¹¹Ôì·½³ÌʽµÄ×ó±ß %½«·½³Ìʽ¹¹ÔìΪ×Ö·û´® equation = ; %num2str°ÑÊýֵתΪ×Ö·û´®£¬µÚ¶þ¸ö²ÎÊýÊÇÓÐЧÊý×Ö %¼ÆËã ... ×òÌìµ·¹ÄÁ˺þ㬽ñÌì¿´µ½ÄãµÄ·½·¨ÕæÊÇ»íÈ»¿ªÀÊ£¬Ì«¸ÐлÁË |

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