How do I turn data values with corresponding 3D coordinates into a 3D matrix?

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zhen
zhen 2018-1-9
回答： Kim Folmer Andersen 2018-1-11
Currently, I have one 3x4935 matrix with xyz coordinates, and another 1x4935 matrix with force values. I want to have a 3D matrix with the force values at their corresponding xyz coordinates.
I also want to average the force values (non zero) that are at the same coordinate.
The xyz coordinates have already been rounded to the decimal that I want them using this following code.
translation = floor(trans) + (round((trans-floor(trans))/0.5)*0.5)
Thank you in advance!

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回答（1 个）

Kim Folmer Andersen
take a look at plot3(x,y,z) for plotting the points. next decide how you want the forces applied. 4th argument to plot3 can be color (in normalized rgb), so thats one option. there is also quiver(x,y,z,u,v,w) for plotting arrows at all the points, but since you only have one value of force, what direction (u,v,w) do you want the arrow to point in?

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