Calculate the resultant vector for 3 axis of data

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Katrina Anderson
Katrina Anderson 2018-9-4
评论： Samuel Louise 2019-1-28
I have an 9 axis sensor and I have the data in matlab. I am wanting to calculate the resultant vector of acceleration, the resultant angular velocity for gyroscope.. and magnetometer.
In excel i would simply SQRT(accx^2+accy^2+accz^2) . this would be the resultant.
My question is how do i calculate this? Then, how do I automatically calculate this for every data point?
Thankyou!!
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Samuel Louise
Samuel Louise 2019-1-28
Hi I am just wondering which MPU you are using for reading the data because i am having difficulties to read data out of the MPU 9250?
Thank you
From SAM

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KSSV
KSSV 2018-9-4
% some random data for demo
accx = rand(10,1) ;
accy = rand(10,1) ;
accz = rand(10,1) ;
R = sqrt(accx.^2+accy.^2+accz.^2) ;
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Stephen23
Stephen23 2018-9-4
编辑：Stephen23 2018-9-4
"Is there a way to automatically calculate this for every row?"
That is what KSSV's answer does: it returns a 10x1 vector, each row corresponds to the same rows of the input 10x1 vectors.
Forget about how Excel works: neither MATLAB nor any other language works like a spreadsheet.

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