These terms are usually used in the world of computing to describe disk space, or data storage space, and system memory. For instance, just a few years ago we were describing hard drive space using the term Megabytes. Today, Gigabytes is the most common term being used to describe the size of a hard drive.
The precise form of the transformation law determines the type (or valence) of the tensor. The tensor type is a pair of natural numbers (n, m), where n is the number of contravariant indices and m is the number of covariant indices.
Tensor is a class that represents the n-dimensional array numpy.ndarray. : n-dimensional array that the tensor object represents. : Constructor for tensor object. a shape (can be tuple, list) of the tensor. : Returns the number of elements of the tensor.