Casio CFX-9800G-w Owners Manual - Page 86

I4Mat

Page 86 highlights

Specify the name of the matrix you want to multiply. El(Mat)®E I4Mat A_ IDEEMEIRITIPIM I Execute the operation and display the matrix where the result is stored IXE AYES I 2 ISJ 4 8 The display_ shows that the scalar product of Matrix A is ( 12 16 ' NIDeterminants Determinants are calculated automatically using the formulas shown below. Note that after you calculate a determinant, you can assign it to a value memory. •2'x 2 matrix tAl ( all a1, a,1 a21 / = al, axx - an an •3"x 3 matrix 11 IA I = ( a42, afi; aZ) a„ a„ a,, = all an aaa + a1, an an an an a,, a13 a2, an - au an aax - a1x an a33 •To calculate a determinant Example To calculate the determinant for the following matrix (Matrix A). (1 2 3 4 5 -1 -2 0) -136-- Perform the following operationwhile in he Matrix Mode. E(Det) E(Mat) Input the name of the matrix whose determinant you want to calculate. 1:3 Execute the operation and display the result. ret Mat A -91 IlinEgniifiliMM F1 F2 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 results 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). 1 2 (36 64 ) Perform the following operation while in the Matrix Mode. E(Trn) Specify the name of the matrix you want to transpose. E(Mat)arn ITrn Mat IVIEHERMIZEIWIM I E E -137-

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Specify
the
name
of
the
matrix
you
want
to
multiply.
El(Mat)®E
I4Mat
A_
IDEEMEIRITIPIM
I
Execute
the
operation
and
display
the
matrix
where
the
result
is
stored
IX
E
AYES
I
2
ISJ
The
display_
shows
that
the
scalar
product
of
Matrix
A
is
(
4
8
12
16
'
NIDeterminants
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.
•2'x
2
matrix
tAl
(
all
a1,
a,1
a
21
/
=
al,
axx
-
an
an
•3"x
3
matrix
IA
I
=
(
4
a
11
2
,
fi
a
;
a
Z)
a„
a„
a,,
=
al
l
an
aaa
+
a1,
an
an
an
an
a,,
•To
calculate
a
determinant
To
calculate
the
determinant
for
the
following
matrix
(Matrix
A).
(
1
2
3
4
5
-1
-2
0)
Example
a
13
a
2
,
a
n
-
au
an
aax
-
a1x
an
a33
Perform
the
following
operation
while
in
he
Matrix
Mode.
E(Det)
E(Mat)
Input
the
name
of
the
matrix
whose
determinant
you
want
to
calculate.
1:3
Execute
the
operation
and
display
the
result.
r
et
Mat
A
-9
1
IlinEgniifiliMM
F1
F2
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
results
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
To
transpose
the
following
matrix
(Matrix
A).
1
2
(3
6
4
6
)
Perform
the
following
operation
while
in
the
Matrix
Mode.
E(Trn)
Specify
the
name
of
the
matrix
you
want
to
transpose.
Example
E(Mat)arn
ITrn
Mat
IVIEHERMIZEIWIM
I
E
E
-136--
-137-