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Vector sum of forces

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Daniel Moore
Daniel Moore on 6 May 2021
Answered: Steven Lord on 6 May 2021
I am given a 1468x3 matrix. The columns represnt Fx, Fy, and Fz (components of force in x, y, z directions)
I need to find the resultant force.
I know that the formula for this would be (Fx^2+Fy^2+Fz^2)^.5, but how do I do this in matlab, for all 1468 columns?
The result should be a 1468x1 matrix.

Answers (2)

James Tursa
James Tursa on 6 May 2021
sqrt(sum(F.*F,2))

Steven Lord
Steven Lord on 6 May 2021
Use the vecnorm function.

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