eulerd
Convert quaternion to Euler angles (degrees)
Description
converts the quaternion, eulerAngles
= eulerd(quat
,rotationSequence
,rotationType
)quat
, to an N-by-3
matrix of Euler angles in degrees.
Examples
Convert Quaternion to Euler Angles in Degrees
Convert a quaternion frame rotation to Euler angles in degrees using the "ZYX" rotation sequence.
quat = quaternion([0.7071 0.7071 0 0]); eulerAnglesDegrees = eulerd(quat,"ZYX","frame")
eulerAnglesDegrees = 1×3
0 0 90.0000
Input Arguments
quat
— Quaternion to convert to Euler angles
quaternion
object | array of quaternion
objects
Quaternion to convert to Euler angles, specified as a quaternion
object or an array of quaternion
objects of any dimensionality.
rotationSequence
— Rotation sequence
"ZYX"
| "ZYZ"
| "ZXY"
| "ZXZ"
| "YXZ"
| "YXY"
| "YZX"
| "YZY"
| "XYZ"
| "XYX"
| "XZY"
| "XZX"
Rotation sequence of Euler angle representation, specified as one of these values.
"YZY"
"YXY"
"ZYZ"
"ZXZ"
"XYX"
"XZX"
"XYZ"
"YZX"
"ZXY"
"XZY"
"ZYX"
"YXZ"
The rotation sequence defines the order of rotations about the axes. For
example, if you specify a rotation sequence of "YZX"
:
The first rotation is about the y-axis.
The second rotation is about the new z-axis.
The third rotation is about the new x-axis.
Data Types: char
| string
rotationType
— Type of rotation
"point"
| "frame"
Type of rotation, specified as "point"
or
"frame"
.
In a point rotation, the frame is static and the point moves. In a frame rotation, the point is static and the frame moves. Point rotation and frame rotation define equivalent angular displacements but in opposite directions.
Data Types: char
| string
Output Arguments
eulerAngles
— Euler angle representation (degrees)
N-by-3 numeric matrix
Euler angle representation in degrees, returned as an
N-by-3 numeric matrix, where N is the
number of quaternions in the quat
argument.
For each row of eulerAngles
, the first column
corresponds to the first axis in the rotation sequence, the second column
corresponds to the second axis in the rotation sequence, and the third
column corresponds to the third axis in the rotation sequence.
The data type of the Euler angles representation is the same as the
underlying data type of quat
.
Data Types: single
| double
Extended Capabilities
C/C++ Code Generation
Generate C and C++ code using MATLAB® Coder™.
Version History
Introduced in R2018b
See Also
Functions
Objects
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