Example from Class

MATH 220 E, 14 February 2025

Define a matrix:

b={{1,-1,3,3},{2,1,3,1},{-1,-5,3,2}}

Display the matrix nicely:

MatrixForm[b]

Put the matrix in reduced row echelon form:

RowReduce[b]

Display the reduced form nicely:

MatrixForm[RowReduce[b]]