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ghyyhl

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] ¸÷λ´óÉñ£¬Õâ¸ö·½³ÌÔõô½â°¡£¿£¿ ÒÑÓÐ1È˲ÎÓë

·½³Ì£º£¨1-y)exp(y)=exp(-x)
y=????

¸÷·´óÉñ£¬¿ÉÒÔ½â³öÀ´Âð
»Ø¸´´ËÂ¥

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
10Â¥: Originally posted by ghyyhl at 2015-05-31 18:26:50
ÎÒÊÇÏëת»»³Éx=-y'-ln(1-y')   ÒÔxΪ×Ý×ø±ê×÷ͼ ÄâºÏµÄ
y'=y/y0

ÎÒµÄÊý¾ÝÊÇyºÍx
y0´ó¸ÅÊÇ19.56×óÓÒ...

// 1stop code
Parameters  a;
Variable   x, y;
ConstStr  p=y/a;
Function  x=-p-ln(1-p);
data;
2.00E-07        0
6.65E-06        3.86846
1.33E-05        6.82462
3.33E-05        9.78077
5.99E-05        11.73692
8.65E-05        13.69308
1.13E-04        15.64923
1.40E-04        15.64923
1.66E-04        17.60539
1.93E-04        17.60539
2.33E-04        18.60539
2.59E-04        19.56154
2.86E-04        19.56154
3.13E-04        19.56154
3.39E-04        19.56154

a  = 861.317798104597
11Â¥2015-05-31 19:58:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 15 ¸ö»Ø´ð

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

-x=y+ln(1-y)
x=f(y)
ÔÙת»»³É y=g(x)
2Â¥2015-05-30 19:04:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

peterflyer

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

peterflyer


¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ghyyhl(feixiaolin´ú·¢): ½ð±Ò+5, ¿ÉÒÔ¼¶Êý½â 2015-05-31 07:24:28
ghyyhl: ½ð±Ò+5, ¡ïÓаïÖú, лл 2015-05-31 17:25:14
Õâ¸öʽ×ÓÊǹØÓÚyµÄ³¬Ô½º¯Êý£¬½â²»³öÀ´³õµÈº¯ÊýµÄÐÎʽµÄ¡£
3Â¥2015-05-30 22:22:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ghyyhl

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2015-05-30 19:04:26
-x=y+ln(1-y)
x=f(y)
ÔÙת»»³É y=g(x)

°æÖ÷½²Ïêϸµãß¹£¬Ôõôת»»£¿
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