Is there a mistake on the "Navigation Toolbox"?

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Chengbin Wang
Chengbin Wang on 5 Sep 2020
Answered: Ryan Salvo on 19 Apr 2021
When I use the Navigation Toolbox, I find someting maybe is wrong.
In the "..\Polyspace\R2020a\toolbox\shared\positioning\positioning\+fusion\+internal\+frames\NED.m", there is :
" % LinAccelSign - is the linear acceleration a positive or negative
% quantity.
% In ENU, it is a negative quantity.
LinAccelSign = -1; "
and in the "..\Polyspace\R2020a\toolbox\shared\positioning\positioning\+fusion\+internal\+frames\ENU.m", there is:
" % LinAccelSign - is the linear acceleration a positive or negative
% quantity.
% In ENU, it is a negative quantity.
LinAccelSign = -1; " Is that wrong??
I'm confused, but this definition is critical!

Accepted Answer

Ryan Salvo
Ryan Salvo on 19 Apr 2021
Hi Chengbin,
The source code is correct, there is just a typo in the NED.m file. The comment in that file should read "In NED, it is a negative quantity."
Thanks,
Ryan

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