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ÕâÊÇÒ»¸ö¹ØÓÚÏòÁ¿¿Õ¼äµÄ¾­µäÁ·Ï°: ¸ø³ö RRn ÖеÄÒ»¸öлù calB ÒÔ¼°ÀûÓà RRn µÄ±ê×¼»ù¸ø³öµÄÏòÁ¿ U (Ò»¸ö n ÔªÊý×é), ÄãÓ¦¸ÃÕÒµ½ U ÔÚ»ù calB ϵÄ×ø±ê. Ò²¾ÍÊÇ˵, Èç¹û calB = (V1, ..., Vn), Çó³öʵÊý ci (i = 1 ... n), ËüÃÇÂú×ã
U = sumin ci Vi.


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±ðµÄÀàËÆÁ·Ï°: bases   vector spaces   linear algebra  

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