sympy/source/doc/src/modules/tensor/array_expressions.rst

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N-dim array expressions
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.. automodule:: sympy.tensor.array.expressions

.. autoclass:: sympy.tensor.array.expressions.ArrayTensorProduct
.. autoclass:: sympy.tensor.array.expressions.ArrayContraction
.. autoclass:: sympy.tensor.array.expressions.ArrayDiagonal
.. autoclass:: sympy.tensor.array.expressions.PermuteDims