On: The NumPy array: a structure for efficient numerical computation (2011) [pdf]

[srean]

If you want multidimensional arrays in C++, then blitz++ is your friend.

There is Eigen but it wont do multidimensional stuff. Although there might be a few projects out there that wrap the multidimensional functionality around Eigen arrays.

[kersny → srean]

One such multidimensional extension of Eigen is from Google and I believe was extracted from TensorFlow:

https://bitbucket.org/eigen/eigen/src/039efd86b75ce1b72befb7...