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HP HP-28S User Manual

HP HP-28S
341 pages
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Page #127 background image
Finding
the
Cross Product
Find
the
cross
product
of
the
vector in level 1
with
the
vector
[2
- 2
1].
(The cross
product
is
defined
only for two-
and
three-
element
vectors.)
Key in
the
vector.
[I]
2,-2,1
2:
1: [ 16
-11
-18
]
[2,
-2,10
IiJDIiBIIIllDlKaDBIElltI
Calculate
the
cross product, using CROSS in
the
third
row
of
the
AR-
RAY
menu
.
• 1 ARRAY
II
NEXT
II
NEXT I
CROSS
Finding
the
Dot Product
3:
2:
1 : [ -
47
-
52
-
10
]
wm!IIDDllDJIl:IBmImmmD
Find
the
dot
product
of
the
vector in level 1
with
the
vector
[5
7
2].
(The two vectors
must
have
the
same
number
of
elements.)
Key
in
the
vector.
[I] 5,7,2
Calculate
the
dot
product.
DOT
Matrices
2:
1 : [ -
47
-
52
- 10 ]
[5,7,20
wm!IIDDllDJIl:IBmImmmD
3:
2:
1:
-619
wm!IIDDllDJIl:IBmImmmD
This section describes
how
to
invert
a matrix
and
how
to find
the
determinant
of
a matrix. Both
of
these
calculations are restricted to
square
matrices-those
with
the
same
number
of
rows as columns.
126
11:
Vectors
and
Matrices

Table of Contents

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HP HP-28S Specifications

General IconGeneral
BrandHP
ModelHP-28S
CategoryCalculator
LanguageEnglish

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