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Base classes and interfaces that make custom numerical expressions compatible with standard iteration patterns.
Distinct from Collection Iterators: Distinct from general Collection Iterators by specifically targeting the compatibility of lazy numerical expressions with iteration.
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xtensor is a C++ multidimensional array library for numerical computing that provides N-dimensional containers with an interface mirroring the NumPy API. It utilizes a lazy evaluation expression engine to defer numerical computations until assignment, which minimizes memory allocations and intermediate copies. The library features a foreign memory array adaptor that allows it to wrap external buffers, such as NumPy arrays, to perform numerical operations in-place without duplicating data. It further optimizes performance through lazy broadcasting and a system that manages the lifetime of temp
Traverses elements across multidimensional expressions along a chosen axis or slice.