# TI-BASIC:Timesrow

From Learn @ Cemetech

Revision as of 13:28, 24 February 2016 by Maintenance script (talk | contribs) (Initial automated import)

**Command Summary**

Multiplies a row by a scalar.

**Command Syntax**

- row(
*factor*,*matrix*,*row*)

**Menu Location**

Press:

- MATRX (on a TI-83) or 2nd MATRX (TI-83+ or higher) to access the matrix menu.
- RIGHT to access the MATH submenu.
- ALPHA E to select *row(, or use arrows and ENTER.

TI-83/84/+/SE

1 byte

The *row( command multiplies a row of a matrix by a scalar factor and returns the result. It is an elementary row operation used in Gaussian Elimination.

[[1,2][3,4]] [[1 2] [3 4]] *row(10,Ans,1) [[10 20] [3 4 ]]

# Advanced Uses

You can multiply columns instead of rows with the aid of the ^^T^^ (Transpose) command.

# Error Conditions

**ERR:INVALID DIM**is thrown if the row argument isn't a valid row (is larger than the size of the matrix, or otherwise bad)

# Related Commands

- |-
- |-
- *row+(