############
Basic Concept
############

This paper introduces the basic concepts of Paddle:

- `Guide to Fluid Programming <./programming_guide/programming_guide_en.html>`_ :introduces the basic concept and usage of Paddle.
- `LoD-Tensor User Guide <lod_tensor_en.html>`_ : LoD-Tensor is a high-level feature of Paddle. It adds sequence information on the basis of tensor and supports processing variable length data.
- `Broadcasting <broadcasting_en.html>`_ : introduces Paddle provides broadcasting semantics.

..  toctree::
    :hidden:

    programming_guide/programming_guide_en.md
    lod_tensor_en.rst
    broadcasting_en.rst