“cofactor”的概念、定义、习题解题方法及翻译-数学辞典

单词

cofactor

释义

cofactor

Let A be the square matrix [aij]. The cofactor, Aij, of the entry aij is equal to (−1)^i + j times the determinant of the matrix obtained by deleting the i-th row and j-th column of A. If A is the 3×3 matrix shown, the factor (−1)^i + j has the effect of introducing a + or-sign according to the pattern on the right:

So, for example,

See adjoint (of a matrix)

随便看

数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。