OEF Ä溯Êý
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±¾Ä£¿éÄ¿Ç°°üº¬ 6 ¸ö¹ØÓÚË«Éäʵº¯ÊýµÄÄ溯ÊýµÄÁ·Ï°:
¶¨ÒåÓò, ÇóÖµ, µ¼ÊýµÈ.
¶þ´Îº¯ÊýË«ÉäÐÔ
¿¼ÂÇ ¶¨ÒåΪ (x) = . µÄ ``º¯Êý'' : [,] -> [,]. ÎÊ µÄÐÔÖÊÈçºÎ?
·Öʽ
Éè : [,] -> [,] ÊÇÒ»¸öº¯Êý, ¶¨ÒåΪ (x) = . ÑéÖ¤ ÊÇË«ÉäµÄ, ²¢¼ÆËãÆäÄ溯Êý -1: [,] -> [,].
Äã¿ÉÒÔÓà sqrt(2) ±íʾ 2 µÄƽ·½¸ù.
Ä溯ÊýµÄÖµ
Éè : -> ÊÇÒ»¸öº¯Êý, ¶¨ÒåΪ (x) = . ÑéÖ¤ ÊÇË«ÉäµÄ, ËùÒÔÎÒÃÇÓÐÒ»¸öÄ溯Êý -1: -> . ¼ÆË㺯ÊýÖµ -1().
ÄãµÄ»Ø´ð±ØÐ뾫ȷµ½ 4 λÓÐЧÊý×Ö.
²»¿É΢Ä溯Êý
º¯Êý : -> ¶¨ÒåΪ (x) = ËüÊÇË«ÉäµÄ, µ«´æÔÚÒ»¸öµã ʹµÃÄ溯Êý -1(x) ÔÚ Éϲ»¿É΢. Çó .
¶þ´Îº¯Êý
Éè : [,] -> [,] ÊÇÒ»¸öº¯Êý, ¶¨ÒåΪ (x) = . ÑéÖ¤ ÊÇË«ÉäµÄ, ²¢¼ÆËãÄ溯Êý -1: [,] -> [,].
Äã¿ÉÒÔÓà sqrt(2) ±íʾ 2 µÄƽ·½¸ù.
Ä溯ÊýµÄµ¼Êý
Éè : -> ÊÇÒ»¸öº¯Êý, ¶¨ÒåΪ (x) = . ÑéÖ¤ ÊÇË«ÉäµÄ, ËùÒÔÎÒÃÇÓÐÒ»¸öÄ溯Êý (x) = -1(x). ¼ÆËãµ¼ÊýÖµ '() .
ÄãµÄ»Ø´ð±ØÐ뾫ȷµ½ 4 λÓÐЧÊý×Ö.
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- Description: Ò»×é¹ØÓÚË«Éäʵº¯ÊýµÄÄ溯ÊýµÄÁ·Ï°. exercises interactifs, calcul et trac� de graphes en ligne
- Keywords: interactive mathematics, interactive math, server side interactivity, analysis, calculus, inverse, derivative, interval