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E-18
VCT
0.4 1 0.8
1.5 0.5 1.5
0.8 0 0.6
[ ]
(
)
kInverting a Matrix
You can use the procedure below to invert a square matrix.
• Example: To invert Matrix C =
(Matrix C 3҂3) A
j
1(Dim)
3(C)
3 =
3
=
(Element input) D 3 =
6
=
D 11 =
3
=
D 4 =
6 =
4
=
D 8 =
13
= t
(MatC
–1
) A
j
3(Mat)
3(C)
a
=
• The above procedure results in an error if a non-square
matrix or a matrix for which there is no inverse
(determinant = 0) is specified.
kDetermining the Absolute Value of a
Matrix
You can use the procedure described below to determine
the absolute value of a matrix.
• Example: To determine the absolute value of the matrix
produced by the inversion in the previous example.
(AbsMatAns) A
A
A
j
3(Mat)
4(Ans)
=
Vector Calculations
The procedures in this section describe how to create a
vector with a dimension up to three, and how to add, sub-
tract, and multiply vectors, and how to obtain the scalar
product, inner product, outer product, and absolute value
of a vector. You can have up to three vectors in memory at
one time.
–3 6 –11
3–4 6
4–8 13
[ ]
–0.4 1 –0.8
–1.5 0.5 –1.5
–0.8 0 –0.6
[ ]
( )