Kediting The Elements Of A Matrix; Kmatrix Addition, Subtraction, And Multiplication; Kcalculating The Scalar Product Of A Matrix - Casio fx-570MS User Manual

k Editing the Elements of a Matrix
A j 2
Press
C) of the matrix you want to edit to display a screen for
editing the elements of the matrix.
k Matrix Addition, Subtraction, and
Multiplication
Use the procedures described below to add, subtract,
and multiply matrices.
• Example: To multiply Matrix A =
(Matrix A 3 2)
(Element input)
(Matrix B 2 3)
(Element input)
(MatA MatB)
• An error occurs if you try to add, subtract matrices whose
dimensions are different from each other, or multiply a
matrix whose number of columns is different from that of
the matrix by which you are multiplying it.
k Calculating the Scalar Product of a
Matrix
Use the procedure shown below to obtain the scalar
product (fixed multiple) of a matrix.
• Example: Multiply Matrix C =
(Edit) and then specify the name (A, B, or
[
Matrix B =
A j 1
= =
1 2
A j 1
D =
1 0
[ ]
]
–1 0 3
2 –4 1
(Dim)
= = D
4 0
(Dim)
= = = D
3 2
A j 3
A j 3
[ ]
2 –1
–5 3
E-16
1 2
by
4 0
–2 5
(
[
3 –8 5
–4
12 –20 –1
1
(A) 3
=
2
2
(B) 2
=
4
1
(Mat)
2
(Mat)
(
by 3.
)
]
0 12
= =
2
= t
5
= =
3
= t
1
-
(A)
=
(B)
)
[ ]
6 –3
–15 9