Matrix are used to represent numbers in rows and columns.
The position of the matrix elements are:
Matrix elements are named using the row and column, the element belongs to.
For instance:
The name of an element in the third row and fifth column of a matrix b is
Using the above explanation, the name of 7, -5 and -1 is as follows;
7 belongs to row 2 and column 1
So, the name is:
-5 belongs to row 3 and column 4
So, the name is:
-1 belongs to row 1 and column 2
So, the name is:
Read more about position of matrix at:
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