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Í­³æ (³õÈëÎÄ̳)

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

laosam280

½û³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
±¾ÌûÄÚÈݱ»ÆÁ±Î

2Â¥2015-10-14 11:44:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
µ±n>=2ʱ,


Ã²ËÆÎÞ·¨½øÒ»²½»¯¼ò.
We_must_know. We_will_know.
3Â¥2015-10-15 03:58:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
3Â¥: Originally posted by hank612 at 2015-10-15 03:58:11
µ±n>=2ʱ,
det=a_n\prod_{i=1}^{n-1}(a_i-y)+y\cdot \sum_{k=1}^{n-1}\prod_{i=n-k+1}^{n-1}(a_i-x)\prod_{j=1}^{n-k-1}(a_j-y)

Ã²ËÆÎÞ·¨½øÒ»²½»¯¼ò.

ÐÐÁÐʽÓÐnÏî, µÈÓÚ


ÉÏÃæÌù×ÓÖÐÓиöÉϱêÓдí.
We_must_know. We_will_know.
4Â¥2015-10-15 04:11:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
4Â¥: Originally posted by hank612 at 2015-10-15 04:11:13
ÐÐÁÐʽÓÐnÏî, µÈÓÚ
a_n\prod_{i=1}^{n-1}(a_i-y)+\sum_{k=1}^{n-1}\prod_{i=n-k+1}^{n}(a_i-x)\cdot y \cdot \prod_{j=1}^{n-k-1}(a_j-y)

ÉÏÃæÌù×ÓÖÐÓиöÉϱêÓдí....

¿´À´Ã¿´Î¶¼Äܻ쵽0.5 ¸ö½ð±Ò, ¹þ¹þ

°ÑÂ¥ÉϵĹ«Ê½Ð´µÃ¸üÕûÆëЩ:


·ûºÅ˵Ã÷: Èç¹û ϱê´óÓÚÉϱê, ¸ÃÇóºÍÏîµ±×öÁã´¦Àí;

Èç¹û ϱê´óÓÚÉϱê, ¸ÃÇó»ýÏîµ±×ö1´¦Àí.
We_must_know. We_will_know.
5Â¥2015-10-15 04:27:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
5Â¥: Originally posted by hank612 at 2015-10-15 04:27:24
¿´À´Ã¿´Î¶¼Äܻ쵽0.5 ¸ö½ð±Ò, ¹þ¹þ

°ÑÂ¥ÉϵĹ«Ê½Ð´µÃ¸üÕûÆëЩ:
\prod_{j=1}^n (a_j-y) -\sum_{s=1}^n \prod_{i=n-s+2}^{n} (a_i-x)\cdot y \cdot \prod_{j=1}^{n-s}(a_j-y)

·ûºÅ˵Ã÷: Èç¹û\Sigma ϱê´óÓÚÉÏ ...

ÔÙ´ÎÀûÓÃÂ¥ÉϵĴíÎóÆ­½ð±Ò.

ÐÐÁÐʽµÈÓÚ
We_must_know. We_will_know.
6Â¥2015-10-15 04:34:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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