**Matrix Row Operation**

You can use this tool to do simple row multiplication, swapping selected rows, subtract/add selected rows..etc.

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**Matrix Row Operation Tool Help**

**Matrix Size**- Simply enters the number of Rows and Columns and then click**Create Matrix**button to create an empty matrix with given size.**Enter Matrix Data**- After creating the matrix you will see a grid with 0 values in each cell. Simply click on the cell and enter the values. Also you can use keyboard tab key to navigate through each cell.**Multiply Rows**– On left corner of the Matrix you will see a column with**Check Boxes**, simple click on the check box to select any row. Enter the value you like to multiply by in the box left to the**Multiply Selected Rows**button. Click on**Multiply Selected Rows**buttons to multiply selected rows by given number.**Swap Rows**- On left corner of the Matrix you will see a column with**Check Boxes**, simple click on the check box to select up to two rows. (*If you select more than 2 rows only first selected two will be taken in to consideration.*) Click on the**Swap Selected Rows**button to swap selected two rows.**Add/Subtract Rows**– Use this feature to apply multiple row operations to your matrix. For example if you want to do this operation

Row 1 = Row2 x (1.5) - Row3 x (2.5)

First select rows 2 and 3 by selecting the check boxes beginning of each row. Enter 1.5 in the text box located at right to the**First selected row**label, enter -2.5 in the text box located right to the**Second elected row**label, enter 1 in Update Row text box. Click on**calculate**button to do the row operations.