Quaternion Norm
R2026bCalculate norm of quaternion
Quaternion Norm block
To add a block to a model, double-click the canvas and start typing the block name. Then, select the block from the list.
Libraries:
Aerospace Blockset /
Utilities /
Math Operations
Description
The Quaternion Norm block calculates the norm for a given quaternion. Aerospace Blockset™ uses quaternions that are defined using the scalar-first convention. For the equations used for the quaternion and quaternion norm, see Algorithms.
Ports
Input
Output
Programmatic Use: Add Block
To add the block programmatically, use the add_block function with one of these library block paths as the source.
"aerolibutil/Quaternion Norm"
Example: add_block("aerolibutil/Quaternion Norm","myModel/myBlock",MakeNameUnique="on")
Algorithms
The quaternion has the form of
The quaternion norm has the form of
References
[1] Stevens, Brian L., Frank L. Lewis. Aircraft Control and Simulation, Second Edition. Hoboken, NJ: Wiley–Interscience.
Extended Capabilities
Version History
Introduced before R2006a
