²é¿´: 3480  |  »Ø¸´: 8
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

Â¥1970-01-01 08:00:00
ÒÑÔÄ   ÉêÇëÊýѧEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³

icecho

ľ³æ (ÕýʽдÊÖ)

e^(-ix)Óëe^ix¾ÍÓÐÏàλ²î¡£
6Â¥2013-11-06 07:23:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 9 ¸ö»Ø´ð

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

e^ix=cosx+i*sinx
cosx=Re[e^ix], ¹ÊÖ®¡£
2Â¥2013-11-05 22:19:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Bltzmnn

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2013-11-05 22:19:16
e^ix=cosx+i*sinx
cosx=Re, ¹ÊÖ®¡£

ÐéÊý²¿·Ö²»¿¼ÂÇ£¿ÄÇô£¬e^(-ix)Óëe^ix±íʾͬһ²¨£¿µ«ÊÇÈçºÎÀí½âËüÃǵIJ»Í¬µÄ´«²¥·½ÏòÄØ£¿

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
µÀ¿ÉµÀ£¬·Ç³£µÀ¡£
3Â¥2013-11-05 23:21:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
3Â¥: Originally posted by Bltzmnn at 2013-11-05 23:21:38
ÐéÊý²¿·Ö²»¿¼ÂÇ£¿ÄÇô£¬e^(-ix)Óëe^ix±íʾͬһ²¨£¿µ«ÊÇÈçºÎÀí½âËüÃǵIJ»Í¬µÄ´«²¥·½ÏòÄØ£¿
...

ÍøÉÏÓйýÒ»¸öÌÖÂÛ£¬ÓÐûÓС°¸ºÆµÂÊ¡±¡£½¨ÒéÄãËÑһϣ¬¾Í³öÀ´ÁË¡£
4Â¥2013-11-05 23:45:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 315·ÖÇóµ÷¼Á +4 26¿¼ÑÐÉϰ¶°æ26 2026-03-26 4/200 2026-03-26 10:20 by king123£¡
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤304ÇóBÇøµ÷¼Á +3 Çñgl 2026-03-26 3/150 2026-03-26 09:42 by ÍõЦÓîÒ»¶¨ÊÇÑо
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ339²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +3 ½­ÍùÂôÓã 2026-03-26 3/150 2026-03-26 09:42 by ÍõСǷi
[¿¼ÑÐ] 0856Çóµ÷¼Á +6 zhn03 2026-03-25 7/350 2026-03-26 08:51 by zhyzzh
[¿¼ÑÐ] ¿¼Ñе÷¼Á +6 ºôºô£¿~+123456 2026-03-24 6/300 2026-03-25 22:55 by 418490947
[¿¼ÑÐ] ²ÄÁÏѧ˶333Çóµ÷¼Á +4 ±±µÀÏï 2026-03-24 4/200 2026-03-25 14:16 by mapenggao
[¿¼ÑÐ] 281Çóµ÷¼Á +4 Koxui 2026-03-24 5/250 2026-03-25 11:38 by userper
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á +9 A-¶ßÀ²ZÃÎ 2026-03-23 15/750 2026-03-25 11:18 by Ainin_
[¿¼ÑÐ] 300·Ö£¬²ÄÁÏ£¬Çóµ÷¼Á£¬Ó¢Ò»Êý¶þ +5 ³¬ÔÞµÄ 2026-03-24 5/250 2026-03-24 21:07 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] ²ÄÁÏ292µ÷¼Á +8 éÙËÌ˼ÃÀÈË 2026-03-23 8/400 2026-03-24 16:33 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³£¬×Ü·Ö308Çóµ÷¼Á +7 īīĮ 2026-03-23 8/400 2026-03-23 20:36 by Creta
[¿¼ÑÐ] ѰÕÒµ÷¼Á +4 ¾óǿâ? 2026-03-21 4/200 2026-03-22 16:14 by ľÍÐζ¶
[¿¼ÑÐ] 275Çóµ÷¼Á +6 shansx 2026-03-22 8/400 2026-03-22 15:27 by barlinike
[»ù½ðÉêÇë] ɽ¶«Ê¡ÃæÉÏÏîÄ¿ÏÞ¶îÆÀÉó +4 ʯÈð0426 2026-03-19 4/200 2026-03-22 08:50 by Wei_ren
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +4 ÄÝÄÝninicgb 2026-03-21 4/200 2026-03-21 18:39 by ѧԱ8dgXkO
[¿¼ÑÐ] Äϲý´óѧ²ÄÁÏר˶311·ÖÇóµ÷¼Á +6 77chaselx 2026-03-20 6/300 2026-03-21 07:24 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ Î÷±±´óѧ £¬070300»¯Ñ§Ñ§Ë¶£¬×Ü·Ö287£¬Ë«·ÇÒ»±¾£¬Çóµ÷¼Á¡£ +4 ³¿»èÏßÓëÐǺ£ 2026-03-19 4/200 2026-03-20 22:15 by JourneyLucky
[¿¼ÑÐ] 295¸´ÊÔµ÷¼Á +8 ¼òľChuFront 2026-03-19 8/400 2026-03-20 20:44 by zhukairuo
[¿¼ÑÐ] 295²ÄÁÏÇóµ÷¼Á£¬Ò»Ö¾Ô¸Î人Àí¹¤085601ר˶ +5 Charlieyq 2026-03-19 5/250 2026-03-20 20:35 by JourneyLucky
[¿¼ÑÐ] 0856µ÷¼Á£¬ÊÇѧУ¾ÍÈ¥ +8 sllhht 2026-03-19 9/450 2026-03-20 14:25 by ÎÞи¿É»÷111
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û