Hey,
It looks like the creation of the 3-D meshgrid for your input vectors ('A.Node.X', 'A.Node.Y', 'A.Node.Z') requires very large amounts of memory allocation, which exceeds maximum array size preference. To know more about the variable size preferences, please refer https://www.mathworks.com/help/matlab/matlab_env/set-workspace-and-variable-preferences.html.
A workaround could be to to generate the required matrices in batches and concatenating them in an external .mat file. You can read more about it here. However, looking at the error, and the input vector dimensions, your machine would still need 400+ TB of memory and the computation would take a lot of time, making the approach non-viable in most scenarios.
You could try reducing the input vector size, or replacing meshgrid with another function.
