Znn3bq.jpeg
²é¿´: 2352  |  »Ø¸´: 14
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

sss668800

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] ¹âѧÖеÄɫɢ·½³Ì£¬ÔÚ¸÷ÏòÒìÐÔ²ÄÁÏÖÐÈçºÎ±íʾ£¿

ÎÒ¿´µÄÊÇ1968ÄêVeselago½éÉܸ´´Åµ¼Âʺ͸´½éµç³£ÊýµÄÄÚÈÝ£¬µÚ1¸ö·½³ÌÊǽéÉÜɫɢµÈʽÔÚ¸÷ÏòÒìÐÔ²ÄÁÏÖбíʾ£¬KiºÍKjÊÇ´ú±íʲôÒâ˼£¿ÊµÔÚÊÇÄÑÒÔÀí½â£¬Ë­ÄÜ˵˵£¿
ºìÉ«×ó±ßÁ½¸öʽ×Ó²»ÊÇÒѾ­±íʾ³öÁËwºÍkµÄ¹ØÏµÁË£¬ÎªÉ¶»¹ÓÐKiºÍKjÄØ£¿
Ã²ËÆKiºÍKjÔÚµÚ2¸ö·½³ÌÏûʧÁË£¬Ò²¾ÍÊÇ˵¸÷ÏîͬÐÔ½éÖÊKiºÍKjµÈÓÚ0.
¹âѧÖеÄɫɢ·½³Ì£¬ÔÚ¸÷ÏòÒìÐÔ²ÄÁÏÖÐÈçºÎ±íʾ£¿
1.JPG

[ Last edited by sss668800 on 2013-6-2 at 21:11 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

voidmainym

гæ (³õÈëÎÄ̳)

²¨Ê¸Á¿k=ki + kl +kj £¬ÆäÖÐi/l/j ÊÇx/y/z ÖáµÄ±ê¼Ç¡£¦ÅºÍ¦ÌÔÚ¸÷ÏòÒìÐÔ½éÖÊÖÐÊÇÕÅÁ¿£¬¼´3*3¾ØÕ󣬦Å_il ºÍ ¦Ì_lj ´ú±í¾ØÕóÔª¡£
µÚÒ»Ïî¸ù¾Ý°®Òò˹̹ÇóºÍÔ¼¶¨Ó¦¸ÃÊÇ£¨Èçͼ¹«Ê½£©
¹âѧÖеÄɫɢ·½³Ì£¬ÔÚ¸÷ÏòÒìÐÔ²ÄÁÏÖÐÈçºÎ±íʾ£¿-1
²¶»ñ.JPG

aaa
7Â¥2013-06-03 13:28:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 15 ¸ö»Ø´ð

Ëï?ª730

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
sss668800: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú, ¶àл»Ø¸´£¬ÄãºÍϦÑô°æÖ÷¶¼°ïÁ˲»ÉÙæ£¡ 2013-06-05 00:52:41
kÓ¦¸ÃÊǵç´Å²¨µÄ²¨Ê¸Á¿
sunyu730_emuch@126.com
2Â¥2013-06-03 00:33:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

pippi6

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¹¤³ÌºÍ¿ÆÑ§ÊýÖµ¼ÆËã×Éѯ

²¨ÊýÊÇÒ»¸öʸÁ¿

ÆäÖÐ
ÊÇ·ÖÁ¿¡£kÊÇÄ£
3Â¥2013-06-03 00:44:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sss668800

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by pippi6 at 2013-06-03 00:44:48
²¨ÊýÊÇÒ»¸öʸÁ¿
\bf{k}=k_1 \bf{e}_1+k_2 \bf{e}_2+k_3 \bf{e}_3
ÆäÖÐ
k_1,k_2,k_3ÊÇ·ÖÁ¿¡£kÊÇÄ£
k=\sqrt{k_1^2+k_2^2+k_3^2}

ÄÇÉÏÃæ¹«Ê½ÈçºÎÖ¤Ã÷ÄØ£¿¸ø¸öÊéÀïÃæÓеÄÒ²ÐУ¬ÕâÀï¦Å¡¢¦Ì¶¼ÊÇÕÅÁ¿¡£
4Â¥2013-06-03 12:46:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 284Çóµ÷¼Á +7 ÈÃÎÒÉϰ¶°É°¢Î÷ 2026-04-09 7/350 2026-04-09 18:59 by haironglove
[¿¼ÑÐ] Ò»Ö¾Ô¸¿ó´ó£¬²ÄÁϹ¤³Ìר˶314·Ö£¬0856¿Éµ÷¶¼¿ÉÒÔ +10 ÎÞи¿É»÷µÄ¾ÞÈË 2026-04-09 10/500 2026-04-09 18:44 by l_paradox
[¿¼ÑÐ] Ò»Ö¾Ô¸ÏôóÉúÎïѧ332Çóµ÷¼Á +10 ³Ø³Ø³Ø³Ø³Ø³Ø 2026-04-08 10/500 2026-04-09 17:10 by ¶À×íÃι³Ç
[¿¼ÑÐ] 085600£¬321·ÖÇóµ÷¼Á +19 ´ó²öС×Ó 2026-04-04 20/1000 2026-04-09 14:12 by Delta2012
[¿¼ÑÐ] 22408 270·Ö +9 sanjin020722 2026-04-08 10/500 2026-04-09 14:11 by Ê«Óë×ÔÓÉ
[¿¼ÑÐ] 0860004 Çóµ÷¼Á 309·Ö +7 Yin DY 2026-04-08 7/350 2026-04-09 14:06 by ditto77778
[¿¼ÑÐ] ²ÄÁÏר˶322 +14 ¹þ¹þ¹þºðºðºð¹þ 2026-04-05 14/700 2026-04-09 13:25 by 5268321
[¿¼ÑÐ] Çóµ÷¼Á£¬ÏÖÔÚ»¹ÄÜÌîµÄ +3 Éϰ¶Ð¡Ó¨¼ÓÓÍ 2026-04-08 3/150 2026-04-08 14:30 by zhq0425
[¿¼ÑÐ] 22408 266Çóµ÷¼Á +11 masss11222 2026-04-07 14/700 2026-04-08 11:06 by yulian1987
[¿¼ÑÐ] 085602µ÷¼Á ³õÊÔ×Ü·Ö335 +3 19123253302 2026-04-06 3/150 2026-04-07 18:00 by jp9609
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +5 СÁõͬѧ߹߹ 2026-04-06 5/250 2026-04-06 18:34 by sherry_1901
[¿¼ÑÐ] Çóµ÷¼Áµ½0856²ÄÁϹ¤³Ì +3 ³Ì9915 2026-04-05 3/150 2026-04-05 18:15 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 313Çóµ÷¼Á +5 º£ÈÕº£ÈÕ 2026-04-04 5/250 2026-04-05 15:52 by jndximd
[¿¼ÑÐ] Ò»Ö¾Ô¸½­ÄÏ´óѧ085501»úе¹¤³Ìר˶326·Ö£¬±¾¿Æ¼Ñľ˹´óѧ +5 ¹ËÈô¸¡Éú 2026-04-03 9/450 2026-04-05 09:57 by 1753564080
[¿¼ÑÐ] 311·Ö 22408 Çóµ÷¼Á +3 bing_bot 2026-04-03 3/150 2026-04-05 00:43 by chongya
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤306·ÖÕÒµ÷¼Á +12 ²×º£ÇáÖÛe 2026-04-03 13/650 2026-04-04 23:45 by lqwchd
[¿¼ÑÐ] 342Çóµ÷¼Á +3 Liang7111 2026-04-04 5/250 2026-04-04 19:47 by dongzh2009
[¿¼ÑÐ] ÇóÉúÎïѧרҵµ÷¼Á-332·Ö +5 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 5/250 2026-04-04 10:05 by rzh123456
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 ÎâèùÓ±£¡ 2026-04-03 11/550 2026-04-04 09:56 by ССÊ÷2024
[¿¼ÑÐ] 317·Ö Ò»Ö¾Ô¸½­ÄÏ´óѧ »¯Ñ§¹¤³Ìѧ˶ Çóµ÷¼Á +6 YinTai 2026-04-03 6/300 2026-04-03 22:30 by Î޼ʵIJÝÔ­
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û