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Rotation Angles to Direction Cosine Matrix

Convert rotation angles to direction cosine matrix

Library

Utilities/Axes Transformations

Description

The Rotation Angles to Direction Cosine Matrix block determines the direction cosine matrix (DCM) from a given set of rotation angles, R1, R2, and R3, respectively the first, second, and third rotation angles. The output is a 3-by-3 DCM that performs coordinate transformations based on rotation angles.

Parameters

Rotation Order

Specifies the input rotation order for three rotation angles. From the list, select ZYX, ZYZ, ZXY, ZXZ, YXZ, YXY, YZX, YZY, XYZ, XYX, XZY, or XZX. The default is ZYX.

Inputs and Outputs

InputDimension TypeDescription

First

3-by-1 vectorContains the rotation angles, in radians.

OutputDimension TypeDescription

First

3-by-3 matrixContains the direction cosine matrix.

Introduced in R2007b

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