矩阵

• These are matrices that may be partitioned .
  这是一些能分割的矩阵。
• B is the matrix in eq, determine a＋b .
  B是等式中的矩阵，试求AB。
• The matrix is defined as the reciprocal of a .
  该矩阵定义为A之逆矩阵。
• The square matrix is called a diagonal matrix .
  该方矩阵称为对角矩阵。
• here is called companion matrix.
  这里称友矩阵。
• The concept of a matrix arises in application .
  在实际中产生了矩阵概念。
• This matrix is condensed by the equation .
  此矩阵借方程缩聚。
• Braces are used for the column matrices .
  大括号用于列矩阵。
• The nodal matrix now has the convenient form .
  现在结点矩阵具有下面方便的形成。
• We now omit the prime on the matrix elements .
  我们现在把各矩阵元素上的一撇略去。