Matrix

4. is obtained by changing its rows into columns (or equivalently, its columns into rows).
6. is the process calculating the total of one number multiplied by another
7. a special kind of matrix that has as many raws across as it has columns up and dawn.
8. is a square matrix having a constant value as every element of its principal diagonal, and all other elements are equal to zero.
9. is a rectangular array or table of number symbols arranged in raws and columns which is used to represent mothematical object

1. The matrix has to be square (same number of rows and columns) like this one
2. product is the summation of all product of each corresponding entries.
3. a quantifty direction as well as magnitude especially as determining the position at one point in space relative to another
5. a matrix formed from parts of a larger matrix.
6. is for each element of matrix and is equal to the part of the matrix remaining after excluding the row and the column containing that particular element.