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Chapter 12: Vectors
173
12VECTR.DOC TI-86, Chap 12, US English Bob Fedorisko Revised: 02/13/01 2:31 PM Printed: 02/13/01 3:03 PM Page 173 of 10
The VECTR MATH Menu
- Š (
NAMES
EDIT
MATH
OPS
CPLX
cross
unitV
norm
dot
cross(
vectorA
,
vectorB
)
Returns the cross product of vectorA and vectorB, both of which are real or
complex two-element or three-element vectors; expressed with variables,
complex two-element or three-element vectors; expressed with variables,
cross(
ã
a,b,c
ä
,
ã
d,e,f
ä
)
returns
ã
bf
N
ce cd
N
af ae
N
bd
ä
unitV
vector
Returns a unit vector where each element of a real or complex vector is
divided by the vector norm
divided by the vector norm
norm
vector
Returns the Frobenius norm (
G(real
2
+imaginary
2
)) where the sum is over
all elements of a real or complex vector
dot(
vectorA
,
vectorB
)
Returns the dot product of vectorA and vectorB, both of which are real or
complex vectors; expressed with variables,
complex vectors; expressed with variables,
dot(
ã
a,b,c
ä
,
ã
d,e,f
ä
)
returns
ad+be+cf
The VECTR OPS (Operations) Menu
- Š )
NAMES
EDIT
MATH
OPS
CPLX
dim
Fill
4
Pol
4
Cyl
4
Sph
4
4
Rec
li
4
vc
vc
4
li
dim
vector
Returns the dimension of (or number of elements in) vector
#ofElements
¶
dim
vectorName
Creates a new vectorName of the specified length (#ofElements);
each element is 0
each element is 0
#ofElements
¶
dim
vectorName
Redimensions vectorName to the specified length (#ofElements)
Fill(
number
,
vectorName
)
Stores a real or complex number to every element in vectorName
Press
X
to enter the
¶
symbol after
#ofElements
.