Calling a C++ function on a 2D numpy array took me about 2 hours to figure ... to work with double** pointers in the C++ functions. The pointers themselves were not passed by reference; using double** ...

I can loop through an individual 3D array just fine, but I also want to loop through all the 3D arrays. So, I thought of creating a one-dimensional array of pointers ... I'll be using to refer ...