to determine the solution of the system:

wxcfan123 · 2011-10-07 20:12:54Z

to determine the solution of the system:簡介

來源: wxcfan123 於 2011-10-07 20:12:54 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (296 bytes)

回答: Thanks, could you develop your ideas in more details? 由皆兄弟也於 2011-10-07 18:16:43

calculate the ranks of matrix

M1 = A1 B1 C1 D1; ...

and

M2 = A1 B1 C1; A2 ...

The solution exists if and only if rank of M1 = rank of M2. The linear dependence in M1 = two plans are the same. Linear dependence in M2 but not M1 = two plans parallel ...

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• 高屋建瓴： the ranks 的概念應屬線性代數範疇，初等代數的升華。謝！ -皆兄弟也- ♂ (0 bytes) () 10/08/2011 postreply 09:31:55

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