其中矩阵 A 称为系数矩阵 系数矩阵(matrix of coefficients), A = [ A 系数矩阵
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matrix of the coefficients 系数矩阵
impact matrix of coefficients 影响系数矩阵
the matrix of the coefficients 系数矩阵
matrix of sensitive coefficients 灵敏度系数矩阵
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The old methods about solving a system of linear equations all base on using the row's elementary operation to matrix of coefficients or augmented matrix.
现有的关于线性方程组的解法，都是基于对系数阵或增广阵施行初等“行”变换。
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