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Command Summary

Swaps two rows of a matrix.

Command Syntax


Menu Location


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

Calculator Compatibility


Token Size

1 byte

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]]
	[[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