How can I rotate a set of points around an axis?
22 views (last 30 days)
Show older comments
Jonathan Babitsch
on 8 Jun 2020
Commented: Jonathan Babitsch
on 8 Jun 2020
Hi everybody,
I have a question concerning a mathematical problem that I would like to solve.
If I have a Matrix 8x3, and like every line in the matrix describes a point, how can i rotate all the points in the matrix for example around the z axis?
I have tried it with a rotaionmatrix, but does that work? What does my code need to look like?
I'm sorry I don't really know how to do that. I have the following:
Above is the Code where I calculate the rotation matrix, and here is the set of points I would like to rotate:
Thanks a lot for your replies in advance, I'm glad for any help. I'm new to Matlab so I don't really know how to do this.
Have a nice evening,
Johnny
0 Comments
Accepted Answer
James Tursa
on 8 Jun 2020
Edited: James Tursa
on 8 Jun 2020
Arrange your points as column vectors and do a matrix multiply. E.g.,
result = rotmxXYZ * K.';
The result will have your points as column vectors also.
If you really need them in rows, then transpose result, or do this:
result = K * rotmxXYZ';
More Answers (0)
See Also
Categories
Find more on 2-D and 3-D Plots in Help Center and File Exchange
Products
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!