Description of fast matrix multiplication algorithm: ⟨12×21×24:3400⟩

Algorithm type

432⁢X4⁢Y6⁢Z6+648⁢X2⁢Y6⁢Z6+176⁢X2⁢Y6⁢Z3+80⁢X2⁢Y3⁢Z6+176⁢X4⁢Y3⁢Z3+264⁢X⁢Y6⁢Z3+120⁢X⁢Y3⁢Z6+760⁢X2⁢Y3⁢Z3+744⁢X⁢Y3⁢Z3432X4Y6Z6648X2Y6Z6176X2Y6Z380X2Y3Z6176X4Y3Z3264XY6Z3120XY3Z6760X2Y3Z3744XY3Z3432*X^4*Y^6*Z^6+648*X^2*Y^6*Z^6+176*X^2*Y^6*Z^3+80*X^2*Y^3*Z^6+176*X^4*Y^3*Z^3+264*X*Y^6*Z^3+120*X*Y^3*Z^6+760*X^2*Y^3*Z^3+744*X*Y^3*Z^3

Algorithm definition

The algorithm ⟨12×21×24:3400⟩ is the (Kronecker) tensor product of ⟨3×3×6:40⟩ with ⟨4×7×4:85⟩.

Algorithm description

These encodings are given in compressed text format using the maple computer algebra system. In each cases, the last line could be understood as a description of the encoding with respect to classical matrix multiplication algorithm. As these outputs are structured, one can construct easily a parser to its favorite format using the maple documentation without this software.


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