Every element present in the square matrix has minor. For example, we want to calculate minor of element a11, then we eliminate 1st row and 1st column from the matrix and calculate determinant of remaining matrix. The determinant of that remaining matrix is minor of a11. Similarly, if we want to calculate minor of element a12 then we eliminate 1st row and 2nd column from the matrix,
Archives for March 2012
Calculating Determinant of 3 x 3 matrices
In the last post, I discussed about calculating determinants of 1 x 1 and 2 x 2 matrices. This post will teach you to calculate determinants of 3 x 3 matrices. The procedure is to choose any row or column from the matrix. It is better to choose a row or column which is having
Determinant of Matrix
With every square matrix, we can associate a number which is called determinant of matrix. It is denoted by |A| for matrix A. In this post, we will learn how to calculate determinant of 1 x 1, 2 x 2 and 3 x3 matrices. We can also calculate value of determinant of different square matrices with the help of co-factors. [Read more…]
Properties of Transpose of Matrix
How to find transpose of a given Matrix?
We are given matrix A, how can we find its transpose. To find transpose of matrix, it is necessary to understand definition of transpose of matrix.
If
then its transpose which is written as
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