作者sea1985 (海嗨咍)
看板Grad-ProbAsk
标题[理工] [线代]一题证明
时间Wed Nov 11 10:03:32 2009
Any matrix obtained by performing a single elemantary row operation
on the unit matrix is known as an Elementary Matrix.
Prove that each elementary matrix is nonsingular and has an
elementary matrix sa its inverse.
麻烦有空的高手帮小弟解答一下^0^
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1F：→ iyenn:Row switching matrix才能满足T^-1=T吧? 11/11 11:04
2F：→ iyenn:喔,原来是问有一个XD 11/11 11:05
3F：→ iyenn:wiki查Elementary_matrix会有~ 11/11 11:07