matrices

• This is standard matrix theory .
  这是规范的矩阵理论。
• The basis matrix b is unimodular .
  基矩阵B是幺模的。
• Another matrix associated with g is the adjacency matrix .
  伴随于G的另一个矩阵是邻接矩阵。
• It is important to distinguish matrices from determinants .
  将矩阵与行列式相区分是重要的。
• This may be reduced to the much more condensed matrix form .
  这可以简化成较精简的矩阵形式。
• Scalar formulas do carry over for these matrices .
  对于这些矩阵，数量间一些公式确实保留下来。
• a real symmetric matrix a can be expressed as u.
  一个实对称矩阵A能被表示为U。
• They may be conveniently expressed in the following matrix form .
  它们可以方便地表示成下列矩阵形式。
• The 90 keys of the keyboard must be organized as a 9 by 10 matrix .
  键盘的90个键必须组成910的矩阵。
• A matrix consisting of one column or one row is known as a vector .
  由一列或一行构成的矩阵通称为向量。