Property	Value
Hex Value	$15
Categories	Catalog > R Matrix > Math
Localizations	FR: permutLigne(

rowSwap(

Overview

Returns a matrix with rowA of matrix swapped with rowB.

Availability: Token available everywhere.

Syntax

rowSwap(matrix,rowA,rowB)

Arguments

Name	Type	Optional
matrix	matrix
rowA
rowB

Location

2nd, matrix, MATH, C:rowSwap(

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Description

The rowSwap( command swaps two rows of a matrix and returns the result. It is an elementary row operation used in Gaussian Elimination.

[[1,2][3,4]]
    [[1 2]
     [3 4]]
rowSwap(Ans,1,2)
    [[3 4]
     [1 2]]

Advanced Uses

You can swap columns instead of rows with the aid of the ^T (transpose) command.

Error Conditions

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

Related Commands

• row+(
• *row(
• *row+(

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Source: parts of this page were written by the following TI|BD contributors: DarkerLine, GoVegan.

History

Calculator	OS Version	Description
TI-82	1.0	Added

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Last update: September 30, 2023 15:38:51
Created: February 23, 2023 23:15:01

Authors: Adrien Bertrand