Monday, November 9, 2009

Definition of Co-factor in Matrix and Determinant Topics

Co- factor is very important in the topics of matrix and determinant because , with this , we can calculate adjoint and inverse of matrix . So , understand the definition of co-factor

Definition of Co-factor

Co-factor is just multiplication of  (- 1)'s power m+n ( m is the order  of row in set of row and n is the order of column in the set of column )  with minor of that matrix .

we can explain it with the following example

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