How to find the order of matrices ?

Asked by Pushpanjali | 9th Apr, 2017, 05:36: PM

Expert Answer:

The number of rows and columns that a matrix has is called its order.
By convention, rows are listed first; and columns, second.
Thus, we would say that the order of a matrix below is 2 x 3, meaning that it has 2 rows and 3 columns.
Example:
begin mathsize 16px style Consider space the space matrix. straight A equals open parentheses table row 1 2 cell negative 9 end cell row 3 6 7 row 8 10 47 end table close parentheses This space matrix space has space 3 space rows space left parenthesis count space horizontally right parenthesis space and space 3 space columns space too space left parenthesis count space vertically right parenthesis. So comma space the space order space is space 3 space cross times space 3. end style

Answered by Rebecca Fernandes | 9th Apr, 2017, 07:40: PM

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