274
LSQ
See User’s manual
LU
See User’s manual
MAKEMAT
See User’s manual
QR
See User’s manual
RANK
See User’s manual
ROWNORM
See User’s manual
RREF(matrix)
This function takes an augmented matrix of size n by n+1 and transforms it
into reduced row echelon form, with the final column containing the solution.
Eg. The system of equations
2314
23
42214
xyz
xyz
xyz
−+=
+−=−
−+=
is written as the augmented matrix
12314
21 1 3
42214
−
−
−
which is then stored as a 3x4 real matrix M1.
We now use the function RREF to change this
to reduced row echelon form and store it as
M2.
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