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city007

ľ³æ (ÖªÃû×÷¼Ò)

[ÇóÖú] matlab Çó½â·ÇÏßÐÔ·½³Ì ½â³öÐéÊý½â

fun=@(N)([ N(1)+N(2)+N(3)+N(4)+N(5)+N(6)-1,...
           log(N(1))/75930-log(N(2))/62806-0.0269,...
           log(N(2))/62806-log(N(3))/77365-0.0078,...
           log(N(3))/77365-log(N(4))/53118-0.0018,...
           log(N(4))/53118-log(N(5))/85710+0.0393,...
           log(N(5))/85710-log(N(6))/82740-0.0165]);
[f,fval]=fsolve(fun,[0.2501,0.3685,0.0174,0.0574,0.1633,0.1433],optimset('display','iter'));
ÔËÐкóµÃ³ö
Optimizer appears to be converging to a point which is not a root.
Norm of relative change in X is less than max(options.TolX^2,eps) but
sum-of-squares of function values is greater than or equal to sqrt(options.TolFun)
Try again with a new starting guess.
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dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

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¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
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csgt0: ½ð±Ò+2, лл 2012-12-24 11:12:39
city007: ½ð±Ò+5, ¡ïÓаïÖú 2013-01-03 01:56:54
ʵÊý½â£¨ÎÞ¾«È·½â£©£º
n1: 0.341396457395975
n2: 4.94065645841247E-324
n3: 4.94065645841247E-324
n4: 4.94065645841247E-324
n5: 0.658604123429932
n6: 4.94065645841247E-324

ËÆºõ²»ÂÛʵÊý»¹ÊÇÐéÊý¶¼ÎÞ¾«È·½â¡£
2Â¥2012-12-22 14:07:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

city007

ľ³æ (ÖªÃû×÷¼Ò)

ÒýÓûØÌû:
2Â¥: Originally posted by dingd at 2012-12-22 14:07:28
ʵÊý½â£¨ÎÞ¾«È·½â£©£º
n1: 0.341396457395975
n2: 4.94065645841247E-324
n3: 4.94065645841247E-324
n4: 4.94065645841247E-324
n5: 0.658604123429932
n6: 4.94065645841247E-324

ËÆºõ²»ÂÛʵÊý»¹ÊÇÐéÊý¶¼ ...

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3Â¥2012-12-22 20:57:40
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11jxli1

½û³æ (ÖøÃûдÊÖ)

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
csgt0: Ó¦ÖúÖ¸Êý-1, ÇëÎðÓÃÎÞÓÃÄÚÈÝË¢Ó¦ÖúÖ¸Êý 2012-12-24 11:14:03
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4Â¥2012-12-22 21:35:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

city007

ľ³æ (ÖªÃû×÷¼Ò)

ÒýÓûØÌû:
4Â¥: Originally posted by 11jxli1 at 2012-12-22 21:35:46
fun=@(N)();
=fsolve(fun,,optimset('display','iter'));
ÔËÐкóµÃ³ö
Optimizer appears to be converging to a point which is not a root.
Norm of relative change in X is less than max(options.TolX^2,ep ...

ÎÒÈ¥£¬ÔÚÌáÎÊÖУ¬ÎÒÒÑ˵Á˺ðɡ£
5Â¥2012-12-22 23:42:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

afu2007

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
4Â¥: Originally posted by 11jxli1 at 2012-12-22 21:35:46
fun=@(N)();
=fsolve(fun,,optimset('display','iter'));
ÔËÐкóµÃ³ö
Optimizer appears to be converging to a point which is not a root.
Norm of relative change in X is less than max(options.TolX^2,ep ...

·ÇÏßÐÔ·½³Ì×飬ÓÐϵÊý¾ØÕóÂð£¿

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6Â¥2012-12-23 07:11:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

city007

ľ³æ (ÖªÃû×÷¼Ò)

ÎÊÌâÒѽâ¾ö£¬ÊÇÒòΪµ¥Î»È¡´í£¬µ¼Öµķ½³ÌÓÐ´í¡£Ð轫2-6·½³Ì½Ø¾à³ýÒÔ100000£¬·½³Ì±ã¿É½â¡£Ð»Ð»¸÷λ·¹ýµÄºÃºº°¡¡£
7Â¥2013-01-03 01:56:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

×ó˼֮һ

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
7Â¥: Originally posted by city007 at 2013-01-03 01:56:28
ÎÊÌâÒѽâ¾ö£¬ÊÇÒòΪµ¥Î»È¡´í£¬µ¼Öµķ½³ÌÓÐ´í¡£Ð轫2-6·½³Ì½Ø¾à³ýÒÔ100000£¬·½³Ì±ã¿É½â¡£Ð»Ð»¸÷λ·¹ýµÄºÃºº°¡¡£

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