Qrandom: Generate uniform random unit quaternions

In RSpincalc: Conversion Between Attitude Representations of DCM, Euler Angles, Quaternions, and Euler Vectors

Description

Qrandom generates uniform random unit quaternions.

Usage

Qrandom(n=NA)

Arguments

n	Optional integer for the number of generated quaternions, default = 1.

Value

Q	Uniform random unit quaternion (Q) vector [q1, q2, q3, q4] or matrix n x 4.

Author(s)

Jose Gama

Examples

Qrandom()
Qrandom(5)

Example output

           [,1]      [,2]       [,3]       [,4]
[1,] 0.07540681 0.1176031 0.04668728 -0.9890923
           [,1]       [,2]       [,3]       [,4]
[1,] -0.5035290 -0.5276611  0.3682817  0.5765422
[2,]  0.3547558  0.1561162  0.6974109  0.6028218
[3,]  0.4106757 -0.3204730 -0.7825206 -0.3410337
[4,] -0.1125573  0.2589709 -0.9514479  0.1225225
[5,] -0.5734886  0.6605912  0.4300572  0.2231164

RSpincalc documentation built on May 2, 2019, 10:59 a.m.