Implement operator for Einstein's summation notation

BoostGSoC18 / tensor

Adding tensor support to boostorg/ublas

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Closed bassoy closed 6 years ago

bassoy commented 6 years ago

C = A(r,j,t) * B(i,k,j) calls the appropriate tensor product function.

bassoy commented 6 years ago

We need to implement

placeholders for selecting the (non)-contracting dimensions
multiplication index data structure that stores the placeholders
auxiliary data structure to store the tensor object and the multiplication indices to hand over to some expressions