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Kunze Linear Algebra
· Problem 1.5.1
Systems of Linear Equations
Mathematics — Methods · matrix-multiplication
Problem
Let
A
=
[
2
−
1
1
1
2
1
]
,
B
=
[
3
1
−
1
]
,
C
=
[
1
−
1
]
.
A = \begin{bmatrix} 2 & -1 & 1 \\ 1 & 2 & 1 \end{bmatrix}, \quad B = \begin{bmatrix} 3 \\ 1 \\ -1 \end{bmatrix}, \quad C = [1 \quad -1].
A
=
[
2
1
−
1
2
1
1
]
,
B
=
3
1
−
1
,
C
=
[
1
−
1
]
.
Compute
A
B
C
ABC
A
B
C
and
C
A
B
CAB
C
A
B
.
Related theory
S Matrix And T Matrix
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