Monday, November 9, 2009

What is Minor ?

Definition of Minor

Minor of any element of the determinant is the submatrix , if we leave element's row and column .

For example
        4   5  6 
 A =    7   8   9
        10 11  12

 If we want to calculate the minor of 4 element , then we know this element is in first row and in first column , so we leave this first row and first  column

                        8    6 
  minor of 4 =                
                     11   12 

With this way , you can calculate minor of each and every element of determinant . 

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