26¸öÏ£À°×Öĸ·Ö±ðÊÇʲô - °Ù¶È¾­Ñé

ÄÚÈÝÈçÏ£º¦¡¦Á¡¢¦¢¦Â¡¢¦£¦Ã¡¢¦¤¦Ä¡¢¦¥¦Å¡¢¡¢¦¦¦Æ¡¢¦§¦Ç¡¢¦¨¦È¡¢¦©¦É¡¢¦ª¦Ê¡¢¦«¦Ë¡¢¦¬¦Ì¡¢¦­¦Í¡¢¦®¦Î¡¢¦¯¦Ï¡¢¦°¦Ð¡¢¦±¦Ñ¡¢¦²¦Ò¡¢¦³¦Ó¡¢¦´¦Ô¡¢¦µ¦Õ¡¢¦¶¦Ö¡¢¦·¦×¡¢¦¸¦Ø¡£Ï£À°×ÖĸԴÓÚëèÄá»ù×Öĸ£¬ëèÄá»ù×ÖĸֻÓи¨Òô£¬´ÓÓÒÏò×óд£¬Ï£À°ÓïÑÔÔªÒô·¢´ï£¬Ï£À°ÈËÔöÌíÁËÔªÒô×Öĸ


ÏßÐÔ´úÊý¡£Ö÷ÒªÊÇÔõôÇó»ù´¡½âϵ?ÒÔÕâÌâΪÀý

½â AX=0 µÃ·ÇÁã½â ¦Ç=£¨0£¬0£¬1£©£¬ÕâÒ²ÊÇ»ù´¡½âϵ¡£Òò´Ëͨ½âΪ X = k¦Ç£¬ÆäÖÐ k ΪÈÎÒâʵÊý ¡£


ÔõôÓüüÅÌ´ò³öÏ£À°×Öĸ°¡?

¦§¡£¦Ç£ºeËþ¡£¡úH¡£¦¨¡£¦È£ºcËþ¡£¡úQ£¿/G£¿¡£¦©¡£¦É£º1¶úËû/°®Å¹Ëû¡£¡úIi¡£¦ª¡£¦Ê£º¿¨ÅÁ¡£¡úK¡£¦«¡£¦Ë£ºÀ±Ä¾´ó...


Çó´óÉñ½â´ðÒ»ÏÂÕâ¸ö»ý·Ö?

N¡ÊNºÜ´ó¼´N¡ú¡Þʱ£¬ÓҲ༶Êý´æÔÚÒÔϽ¥½øÐÐΪ¡Æk=0¡Þ()kn+k+1=12(n+1)¡Æk=1N1()k¦Ç(k)(n+1)k+1+O[1(n...


ÇóÊýѧ´óÉñ½â´ð,µÚÈýÌâŶ,лл

ÓÉϵÊý¾ØÕóµÄÖÈΪ 3£¬ËùÒÔ½â¿Õ¼äÊÇ Ò» άµÄ£¬²»·ÁÈ¡ x4= - 5 £»È¡¦Ç=£¨2£¬2, 2£¬-5£©£¬k¦Ç±ãÊÇÉÏÃæ·½³Ì×éµÄ½â¿Õ¼ä¡£ÈÏÕæÑ§Ï° Äã...


È˽̰æ¾ÅÄê¼¶ÎïÀíÈ«²¿¹«Ê½ ԽȫԽºÃ

»úеЧÂÊ ¦Ç= wÓÐ / w×Ü¡Á100% ¹¦ÂÊ: p=w/t w:¹¦ t:ʱ¼ä ѹǿ:p= f/s f:ѹÁ¦ s:ÊÜÁ¦Ãæ»ý ÒºÌåѹǿ:p=¦Ñgh ¦Ñ:ÒºÌåµÄÃÜ¶È h:Éî¶È(´ÓÒºÃæµ½ËùÇóµãµÄÊúÖ±¾àÀë) ...6¡¢ÈÈÁ¦Ñ§Î¶È:t=t+273k ¡¾µçѧ²¿·Ö¡¿ 1¡¢µçÁ÷Ç¿¶È:i=qµçÁ¿/t 2¡¢µç×è:r=¦Ñl/s 3¡¢Å·Ä·¶¨ÂÉ:i=u/r 4¡¢½¹¶ú¶¨ÂÉ: (1)¡¢q=i2rtÆÕÊʹ«Ê½) (2)¡¢q=uit=pt=uq...


·ÇÆë´ÎÏßÐÔ·½³Ì×éµÄÁ½¸ö²»Í¬½âÏßÐÔÎÞ¹ØÃ´?Ϊʲô¡£¡£ÊÇÄÄÌõ...

k¦Ç)=k(A¦Ç)¡£ÒòΪA¦Î=A¦Ç=b£¬ËùÒÔb=kb£¬(k-1)b=0¡£ÒòΪk-1¡Ù0£¬b¡Ù0£¬ËùÒÔ(k-1)b¡Ù0¡£Ã¬¶Ü¡£ËùÒÔ·ÇÆë´ÎÏßÐÔ·½³Ì×éµÄÈÎÒâÁ½¸ö²»Í¬½âÏßÐÔÎ޹ء£


¹ÅÏ£À°µÄÈËÃûÓÐʲôº¬Òå?

£¨²å¸öÂ¥£¬À­¶¡Óï×ÜÊÇÓÃcÀ´Æ´Ð´kÒô£¬²¢ÇÒÓ¢ÓïÔÚ½è´ÊʱÕÕ°áÁË£¬ËùÒÔÓкܶàͬԴ´Ê£¬Ï£À°ÓïÀïÊÇkµÄµØ·½£¬À­¶¡Óï¡¢Ó¢Óï¡¢»¹ÓÐЩ±ðµÄʲôÓïÑÔÀï...Ò»°ãÀ´Ëµ£¬-¦Ïºó׺´ú±íÑôÐÔ£¬-¦Ç»ò-¦ÁÊÇÒõÐÔ£¬-¦Ï¦ÍÊÇÖÐÐÔ¡£µ«ÊÇÓÐÀýÍ⣬ºÜ¶à¡£¦Â¦Â¦Ë¦Ï£¨biblos Ê飩¾ÍÊÇÒõÐÔ¡£»¹ÓÐһЩÃû´ÊÊÇ...


µç¼«¹ý³Ì¶¯Á¦Ñ§µ¼ÂÛµÄÏà¹ØÖªÊ¶ÓÐʲô?

3.5ºÍ£¨*£©Ê½¶Ô±È£¬3.5ÖÐÎÒÃÇÓÃi_{0}´úÌæÁËk^{0}£¬Õâô×öµÄºÃ´¦ÊÇ£¬¾»µçÁ÷²»ÔÙÓñê×¼µçÊÆE^{\theta'}±íʾ£¬¶ø¸ÄÓÃÁË¦Ç ´ËͼÃèÊö...


ÀÏʦÕâ¸öÌâÔõô×ö¡£¡£

Éè k1a1+k2a2+k3a3+k¦Ç = 0 ¦Ç ÓëµÈʽÁ½±ß×÷ÄÚ»ý,ÓÉÒÑÖª¦ÇÓëa1,a2,a3Õý½», µÃ k(¦Ç,¦Ç) = 0 ÒòΪ ¦Ç¡Ù0 ËùÒÔ (¦Ç,¦Ç)¡Ù0...


Ïà¹ØËÑË÷

ÈÈÃÅËÑË÷