quat.m File Reference

PSS internal file version information. More...

Functions
function	quat (in x)
	Create an object of class quat. More...
function	ctranspose (in a)
	Default in the Space Shuttle Convention. More...
function	get (in a)
	PSS internal file version information. More...
function	scalar (in a)
	PSS internal file version information. More...
function	vector (in a)
	PSS internal file version information. More...

Detailed Description

PSS internal file version information.

---

Copyright (c) 1997 Princeton Satellite Systems, Inc. All rights reserved.

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Date

2015-01-15

Revision

8fdf9a329962b7113ca51ebe27ec9155ace5d8a7

Returns the vector part of a quaternion.

Function Documentation

ctranspose()

function ctranspose

(

in

a

)

Default in the Space Shuttle Convention.

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Copyright (c) 1997 Princeton Satellite Systems, Inc. All rights reserved.

---

---

PSS internal file version information

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Date

2016-03-14

Revision

2da09fbf46418658d86af477892840a08f9cc907

Computes the transpose of a quaternion.

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Form

b = ctranspose( a )

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Inputs

a           (:)   Object of type quat

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Outputs

b           (:)   Object of class quat

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get()

function get

(

in

a

)

PSS internal file version information.

---

Copyright (c) 1997 Princeton Satellite Systems, Inc. All rights reserved.

---

---

Date

2015-01-15

Revision

8fdf9a329962b7113ca51ebe27ec9155ace5d8a7

Gets the scalar and vector equivalent of a quat.

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Form

[s, v] = get( a )

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Inputs

a           (:)   Object of type transmat

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Outputs

s           (1,1) Scalar part
v           (3,1) Vector part

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Referenced by Deactivate(), and MLog().

quat()

function quat

(

in

x

)

Create an object of class quat.

You can input:

4-by-1 matrix - assumed to be a quaternion
3-by-1 matrix - assumed to be an array of angles
3-by-3 matrix - assumed to be a transformation matrix

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Form

q = quat( x )

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Inputs

x       (4,1) Quaternion
(3,3) Matrix
(3,1) Array of angles

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Outputs

q      (1,1) Object of class  quaternion.

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scalar()

function scalar

(

in

a

)

PSS internal file version information.

---

Copyright (c) 1997 Princeton Satellite Systems, Inc. All rights reserved.

---

---

Date

2015-01-15

Revision

8fdf9a329962b7113ca51ebe27ec9155ace5d8a7

Returns the scalar part of a quaternion.

---

Form

s = scalar( a )

---

---

Inputs

a       (:,:) Quaternion

---

Outputs

s       (1,1) Scalar part

---

vector()

function vector

(

in

a

)

PSS internal file version information.

---

Copyright (c) 1997 Princeton Satellite Systems, Inc. All rights reserved.

---

---

Date

2015-01-15

Revision

8fdf9a329962b7113ca51ebe27ec9155ace5d8a7

Returns the vector part of a quaternion.

---

Form

s = vector( a )

---

---

Inputs

a       (:,:) Quaternion

---

Outputs

s       (3,1) Scalar part

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