OEF ¼¸ºÎ»ý·Ö --- ½éÉÜ ---

±¾Ä£¿éĿǰ°üº¬ 19 ¸ö¹ØÓÚµ¥±äÁ¿º¯Êý»ý·Ö¼¸ºÎÓ¦ÓõÄÁ·Ï°: Ãæ»ý, ÖØÐÄ, »¡³¤µÈ.

»¹ÓÐÆäËü¹ØÓÚ¶¨»ý·ÖµÄÄ£¿é: OEF ¶¨»ý·ÖºÍ OEF ÎïÀí»ý·Ö.


ÏÔʽ·½³ÌµÄ»¡³¤ 2D

¼ÆËãÇúÏß Î»ÓÚ ºÍ Ö®¼äµÄ³¤¶È.

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ÄãµÄ»Ø´ðµÄ¾«¶ÈÓ¦´ïµ½Ð¡Êýµãºó 4 λ.


²ÎÊý·½³ÌµÄ»¡³¤ 2D

¼ÆËãÒÔϲÎÊýÇúÏß

,

ÔÚ Óë Ö®¼äµÄ»¡³¤.

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ÄãµÄ»Ø´ðµÄ¾«¶ÈÓ¦´ïµ½Ð¡Êýµãºó 4 λ.


ÏཻÈý´ÎÇúÏßµÄÃæ»ý

¼ÆËãÒÔÏÂÀ¶É«ÇøÓòµÄÃæ»ý, ÆäÖкìÉ«ÇúÏߵĺ¯ÊýÊÇ f(x) = .

ÄãµÄ»Ø´ðµÄ¾«¶ÈÓ¦´ïµ½ 5 λÊý×Ö.


Ô²»¡¾àÀë

µã ÒÔ³£ËÙÑØ°ë¾¶Îª µÄÔ²ÖÜÔ˶¯, ¶øÁíÒ»µã ÔòÊÇ´¦ÓÚÓëÔ²ÐÄÏà¾à µÄ¹Ì¶¨Î»ÖÃ. ¼ÆËãÕâÁ½¸öµãµÄƽ¾ù¾àÀë.

ÄãµÄ»Ø´ðµÄ¾«¶ÈÓ¦´ïµ½Ð¡Êýµãºó 4 λ.


Èý´ÎÇúÏßÃæ»ý

¼ÆËãÒÔÏÂÒõÓ°ÇøÓòµÄÃæ»ý, ÆäÖÐ C ÊǺ¯Êý f(x) = 3- µÄÇúÏß, L ÊÇ C µÄˮƽÇÐÏß.

¼ÆËã½á¹ûµÄ¾«¶ÈÖÁÉÙ 5 λÊý×Ö.


ÈÕÊ³Ãæ»ý

ÓÐÒ»¸öÈÕÆ«Ê³, ÆäÖÐÔÂÇòµÄÒõÓ°°ë¾¶µÈÓÚÌ«ÑôµÄƽ¾¶. ¶øÌ«ÑôÔÂÁÁµÄÖÐÐľàÀëÊÇÌ«Ñô°ë¾¶µÄ ±¶. ¼ÆËãÌ«ÑôÔ²Ãæ±»ÔÂÇòÕÚµ²²¿·ÖËùÕ¼µÄ°Ù·Ö±È.

¼ÆË㾫¶ÈÒªÇó´ïµ½ 0.1% »ò¸ü¸ß.


±ÕµÄ¼«×ø±ê³¤¶È

¼«×ø±ê·½³Ì ¶¨ÒåÁËÒ»ÌõÇúÏß, ÆäÖÐ ÊǼ«½Ç. ¼ÆËã´ËÇúÏß ±»±ê¼Ç²¿·Ö µÄ³¤¶È.

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¿ªµÄ¼«×ø±ê³¤¶È

¼«×ø±ê·½³Ì ¶¨ÒåÁËÒ»ÌõÇúÏß, ÆäÖÐ ÊǼ«½Ç. ¼ÆËã´ËÇúÏß µÄ ´Ó µ½ µÄ³¤¶È.

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ÂÝÏß¼«×ø±ê³¤¶È

¼«×ø±ê·½³Ì ¶¨ÒåÁËÒ»ÌõÇúÏß, ÆäÖÐ ÊǼ«½Ç. ¼ÆËã´ËÇúÏß µÄ ´Ó µ½ µÄ³¤¶È.

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ÒÑÖª¶ÔÊýÃæ»ý

¿¼ÂǺ¯Êý . ÏÂͼÏÔʾÁË f (x) µÄÇúÏß. ºìÉ«ÊúÏßÊÇÓÉ·½³Ì x=c ¸ø³öµÄ. ÒÑÖªÀ¶É«ÇøÓòµÄÃæ»ýµÈÓÚ , ÎÊ c µÄÖµÊÇʲô?

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ÄãµÄ»Ø´ðµÄ¾«¶ÈÖÁÉÙÓ¦ÓÐ 4 λСÊý.


Å×ÎïÏßÖØÐÄ

¼ÆËãÒÔÏÂÒõÓ°ÇøÓòµÄÖØÐÄ p0=(x0,y0), ÆäÖÐ C ÊǺ¯Êý f(x) = ¶¨ÒåµÄÇúÏß.

¼ÆËã½á¹ûµÄ¾«¶ÈÖÁÉÙ 5 λÊý×Ö.


Å×ÎïÏßÃæ»ý

¼ÆËãÒÔÏÂÒõÓ°ÇøÓòµÄÃæ»ý, ÕâÀï C ÊǺ¯Êý f(x) = 2 µÄÇúÏß, L ÊÇÓÉ·½³Ì += ¶¨ÒåµÄÖ±Ïß.

¼ÆËã½á¹ûµÄ¾«¶ÈÖÁÉÙ 5 λÊý×Ö.


Å×ÎïÏßÃæ»ý II

¼ÆËãÒÔÏÂÒõÓ°ÇøÓòµÄÃæ»ý, ÕâÀï C ÊǺ¯Êý f(x) = 2 µÄÇúÏß, Á½ÌõÖ±Ïß L1 ºÍ L2 ·Ö±ðÓÉ·½³Ì y= ºÍ y= È·¶¨.

¼ÆËã½á¹ûµÄ¾«¶ÈÖÁÉÙ 5 λÊý×Ö.


Å×ÎïÏßÓëԲΧ³ÉµÄÃæ»ý

¼ÆËãÒÔÏÂÒõÓ°ÇøÓòµÄÃæ»ý, ÕâÀï C ÊÇÖÐÐÄÔÚÔ­µã°ë¾¶Îª µÄÔ², ¶ø P ÊǺ¯Êý f(x) =  µÄÇúÏß.

¼ÆËã½á¹ûµÄ¾«¶ÈÖÁÉÙ 5 λÊý×Ö.


¶þ´ÎÇúÏßΧ³ÉµÄÃæ»ý

¼ÆËãÒÔÏÂÀ¶É«ÇøÓòµÄÃæ»ý, ÆäÖÐ C ÊǺ¯Êý f(x) =  µÄͼÏñ, L ÊÇÖ±Ïß x = .

ÄãµÄ»Ø´ðÖÁÉÙÓ¦ÓÐ 5 λÊý×Ö.


ÒÑÖª¶þ´ÎÃæ»ý *

¿¼ÂǺ¯Êý . ÆäÇúÏßÈçÏÂͼËùʾ. ÒÑÖª»ÆÉ«ÇøÓòµÄÃæ»ýµÈÓÚ , Çó c µÄÖµ?

xrange , yrange , plot black, arrow ,0,,0,10,grey fill ,*(-1)*0.1,yellow arrow 0,,0,,10,grey text grey,-0.04*,0.07*,small,x text grey,0.03*,-0.01*,small,y

ÄãµÄ»Ø´ðÖÁÉÙÓ¦¸Ã¾«È·µ½2 λСÊý.


ÇòÐÎÐîË®¹Þ

¹¤³§ÓÐÒ»¸öÄÚÖ±¾¶Îª Ã×µÄÇòÐÎÐîË®¹Þ, ͨ³£µÄˮλÊǾàµ×²¿ Ã×. ÓÐÒ»ÌìÓÉÓÚϵͳ¹ÊÕÏ, ˮλµøµ½ Ã×. ÎÊΪÁ˻ָ´µ½Õý³£Ë®Î»ÐèÒª³é¶àÉÙË®½øÈ¥?

ÐýתÌåÃæ»ý

¼ÆËãÓÉÐýתÒÔϺìÉ«ÇúÏßËùÉú³ÉµÄÁ¢ÌåµÄÃæ»ý:

ËüµÄÐýתÖáÊÇ Öá, ´Ó µ½ .

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ÐýתÌåÌå»ý

¼ÆËãÒÔϺìÉ«ÇúÏßÉú³ÉµÄÐýתÌåÌå»ý

ÆäÐýתÖáÊÇ Öá, ´Ó µ½ .

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