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[ Last edited by ÐÄÓï10086 on 2013-6-16 at 11:57 ]
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weft

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4Â¥2013-06-14 23:48:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

weft

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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
8Â¥: Originally posted by ÐÄÓï10086 at 2013-06-15 23:17:38
²»ºÃÒâ˼£¬´ò©ÁË£¬f£¨x£©ÊÇÓнç¿É²âº¯Êý....

ÄÇÕâÑùC¾ÍÊǶԵÄÁË.
·´ÀýºÜºÃÕÒ:
A. f(x)=x^2
B. ÓëAÀàËÆ, ±ÈÈçf(x) = 100 - x^2
D. f(x) = 0 (µ±x<0), f(x) = 0.5 (µ±x·Ç¸º).
Äã×Ô¼ºÈ¥ÑéÖ¤. ÁíÍâ, ¿¼²©¿¼ÑеÄÌâÄ¿²»»áÊÇÕâÖÖÌâÄ¿°É? ±¾¿Æ½×¶ÎµÄʵ±äº¯Êý¿¼ÊÔÌâĿҲ²»Ò»¶¨»áÈÝÒ×µ½Õâ¸öµØ²½°¡, ³ý·ÇÈοÎÀÏʦҪ·ÅË®.
10Â¥2013-06-16 05:23:22
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math2000

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f(x)ÓÐʲôÐÔÖÊ£¿
º¯ÊýÁÐ{fn(x)}n=1,2...Êǵ¥µ÷Ôö¼ÓµÄ
2Â¥2013-06-14 22:13:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÐÄÓï10086

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ÒýÓûØÌû:
2Â¥: Originally posted by math2000 at 2013-06-14 22:13:54
f(x)ÓÐʲôÐÔÖÊ£¿
º¯ÊýÁÐ{fn(x)}n=1,2...Êǵ¥µ÷Ôö¼ÓµÄ

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3Â¥2013-06-14 23:16:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÐÄÓï10086

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ÒýÓûØÌû:
4Â¥: Originally posted by weft at 2013-06-14 23:48:19
A,B,D¶¼Äܾٳö·´Àý

ÄúÑ¡µÄÊÇC Â𣿰´ÕÕÄúµÄÏë·¨£¬Âé·³¾ÙһϷ´Àý£¬Ð»Ð»£¡
5Â¥2013-06-15 11:33:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

math2000

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

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ÌâĿûÓÐ˵Ã÷Çå³þ£¡
6Â¥2013-06-15 21:47:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÐÄÓï10086

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ÒýÓûØÌû:
6Â¥: Originally posted by math2000 at 2013-06-15 21:47:56
ÌâĿûÓÐ˵Ã÷Çå³þ£¡

²»ºÃÒâ˼£¬È·Êµ´ò©ÁË£¬f£¨x£©ÊÇÓнç¿É²âº¯Êý.
7Â¥2013-06-15 22:54:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÐÄÓï10086

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
4Â¥: Originally posted by weft at 2013-06-14 23:48:19
A,B,D¶¼Äܾٳö·´Àý

²»ºÃÒâ˼£¬´ò©ÁË£¬f£¨x£©ÊÇÓнç¿É²âº¯Êý.
8Â¥2013-06-15 23:17:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

weft

ľ³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
5Â¥: Originally posted by ÐÄÓï10086 at 2013-06-15 11:33:10
ÄúÑ¡µÄÊÇC Â𣿰´ÕÕÄúµÄÏë·¨£¬Âé·³¾ÙһϷ´Àý£¬Ð»Ð»£¡...

ÎÒÖ»ÊÇ˵A,B,D¿Ï¶¨²»¶Ô. ÎÒûÓÐ˵µÄÊÇCÒ²²»Ò»¶¨¶Ô, ÒòΪÕÒÒ»¸ö²»¿É»ýµÄfÈ¥¹¹Ôìf_n¾ÍÓз´ÀýÁË, ÄãûÓаÑÌõ¼þ˵ȫ. ÎÒµÄÒâ˼ÊÇÔںܺõĺ¯ÊýÀàÖÐA,B,D¶¼²»¶Ô, ËùÒÔÊ×ÏÈ¿ÉÒÔÅųýËüÃÇÈý¸ö.
9Â¥2013-06-16 05:11:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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