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This elementary row operation corresponds to interchanging two equations.
rowswap(x, from, to)
the matrix x, with rows from and to interchanged
x
from
to
a matrix, possibly consisting of the coefficient matrix, A, joined with a vector of constants, b.
source row.
destination row
echelon, gaussianElimination
echelon
gaussianElimination
Other elementary row operations: rowadd(), rowmult()
rowadd()
rowmult()