Casio CFX-9800G - Page 86

Specify the name of the matrix you want to multiply. =
[aMat A
HT rnet Vera
Fi} (Mat) WA}
FA,
Execute the operation and display the matrix where the result is stored.
a
i : fod: 38
The display.shows that.the scalar product of Matrix A is ( 12 16 )
Determinants
Determinants are calculated automatically using the formulas shown below. Note that, af-
ter you calculate a determinant, you can assign ‘it to a value memory.
“02-2 matrix
1Al = (s au!)
Ga, ag
| yy ae = ye ny
°3'x 3 matrix
a Ay Ay J
IAL = [ay ay aay Z ton ”
Gy, yz ay
FS By Ugg Agg + yz Gag Ag, + Ayg Ag, Ag2 — yx Ay Agq — Ay2 G21 ‘G33 ~
Ay3 2g M3;
© To calculate a determinant —
Example] To calculate the determinant for the following matrix (atx A).
1 23
4 6)
-1 -2 0
Perform the following operation.while in the-Matrix:Mode.
[F2)(Det)
(Mat). e
Input
the
name
of
the
matrix
whose
determinant
you
want
to
calculate.
aa)
Execute
the
operation
and
display
the
result.
d
Sg
&
The
display
shows
that
the
determinant
of
Matrix
A=
9...
“Note
that
you
can
calculate
the
determinant
for
square
matrices
(same
number
of
rows
and
columns)
only.
Attempting
to
calculate
the
determinant
for
a
matrix
that
is
not
square
Tesults:
in
a
Dim
ERROR.”
@Transposing a Matrix
Transposing
a
matrix
causes
its
rows
to
become
columns
and
its
columns
to
become
rows.
:
You
can
transpose
any
matrix
in
the
matrix
list
(Matrix
A
through
Matrix
Z)
or
the
matrix
in
the
Matrix
Answer
Memory.
To transpose a matrix :
Example!
To
transpose
the
following
matrix
(Matrix
A).
12
(3 ‘)
5 6
Perform
the
following
operation
while
in
the
Matrix
Mode.
€)(Tm) had SE
Specify
the
name
of
the
matrix
you
want
to
transpose.
1.
ost
i>
ve
Fee.
[Ten Tat ia ed |
(Mat) aaa)
—137—
z
lene
|
|
: