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Givern a vector set $ \begin{Bmatrix} u_1, u_2, ..., u_k \end{Bmatrix} $ The linear combination of t

Properties of Matrix-vector Product $A$ and $B$ are m*n matrices, $u$ and $v$ are vectors in $R^n$,a

有名有姓的Matrix Square Matrix m = n 方形矩阵拥有对角线 diagonal Upper Triangular Matrix 左下角为0 $\begin{bmatrix} 2&

Metric If the matrix has m rows and n columns, we say the size of the matrix is m by n,writen m * n

Linear System = System of Linear Equations standard (unit) vector only one element is "1", the rest

Vectors A vector v is a set of numbers Components: the entries of a vector. The i-th component of ve