The vectr math menu, The vectr ops (operations) menu – Texas Instruments TI-86 User Manual

Page 185

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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,

cross(

ã

a,b,c

д

,

г

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

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,

dot(

ã

a,b,c

д

,

г

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

#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

.

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