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Householder transformation Wiki: Householder transformation is a linear transformation that reflect vector \(x\) about a hyperplane to obtain \(x^{\pr 阅读全文
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Least Square Solution Please refer to this video for detailed reasoning. When the equation of \(Ax=b\) establishes, it means that vector \(b\) is with 阅读全文
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Column space Wiki: In linear algebra, the column space of a matrix A=[\(a_1,a_2,\cdots,a_n\)] is the span (all possible linear combinations) of its co 阅读全文