作者missluk (why...)
看板Grad-ProbAsk
标题[问题] 93中央线代
时间Wed Mar 18 17:45:06 2009
有一题
show that all elementary matrices are invertible
怎麽证？用说明的吗？？@@~
in what situation you will compute a least-square solution through
a QR fractorization？
in what condition you can coumpute a least-square soution through
a QR fractorization？
这两题can和will？？
谢谢!!!
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这不是trivial 吗？怎麽证XD
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