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

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Qlog: Quaternion logarithm

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

Description Usage Arguments Value Author(s) Examples

Description

Qlog performs a quaternion logarithm operation. Qexp performs a quaternion exponential operation.

Usage

1
2
Qlog(Q)
Qexp(Q)

Arguments

Q

Quaternion (Q) vector [q1, q2, q3, q4].

Value

Q

Result quaternion (Q) vector [q1, q2, q3, q4].

Author(s)

Jose Gama

Examples

1
2
3
Q <- c(-0.1677489, -0.7369231, -0.3682588, 0.5414703)
Qlog(Q)
Qexp(Q)

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

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