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VectorCalculus

  

*

  

An overloaded version of Star that deals with scalar multiplication of Vectors

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

s*v

Parameters

s

-

algebraic; the scalar to scale the Vector

v

-

Vector(algebraic); the Vector to scale

Description

• 

Returns the scalar multiplication of s and v.

• 

An overloaded version for the VectorCalculus package that deals with scaling Vectors (scalar multiplication) in different coordinate systems.

• 

The following table describes the interaction between different types of Vector objects in different coordinate systems when the Star operator is applied.

 

coord()

*

coord(*)

1

free Vector

cartesian

free Vector

cartesian

 

free Vector

curved

error

 

2

rooted Vector(root)

any

rooted Vector (root)

any

3

vector field

any

vector field

any

4

position Vector

cartesian

position Vector

cartesian

• 

Note that in 2-D math, the Star operator appears as a dot.

Examples

Only free Vectors in cartesian coordinates can be scaled.

(1)

Rooted Vectors in any coordinate system can be scaled.

(2)

(3)

(4)

(5)

Vector Fields in any coordinate system can be scaled.

Position Vectors can be scaled.

(6)

(7)

See Also

VectorCalculus

VectorCalculus[PositionVector]

VectorCalculus[RootedVector]

VectorCalculus[Vector]

VectorCalculus[VectorField]

 


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