Description of fast matrix multiplication algorithm: ⟨9×14×16:1260⟩

Algorithm type

24X4Y6Z4+60X4Y4Z4+8X2Y8Z2+24X2Y3Z6+24X4Y2Z4+48X2Y6Z2+60X2Y2Z6+24X2YZ6+48X2Y4Z2+8XY4Z3+72X2Y3Z2+48XY3Z3+220X2Y2Z2+24XY4Z+48XY2Z3+72X2YZ2+144XY3Z+40XYZ3+144XY2Z+120XYZ24X4Y6Z460X4Y4Z48X2Y8Z224X2Y3Z624X4Y2Z448X2Y6Z260X2Y2Z624X2YZ648X2Y4Z28XY4Z372X2Y3Z248XY3Z3220X2Y2Z224XY4Z48XY2Z372X2YZ2144XY3Z40XYZ3144XY2Z120XYZ24*X^4*Y^6*Z^4+60*X^4*Y^4*Z^4+8*X^2*Y^8*Z^2+24*X^2*Y^3*Z^6+24*X^4*Y^2*Z^4+48*X^2*Y^6*Z^2+60*X^2*Y^2*Z^6+24*X^2*Y*Z^6+48*X^2*Y^4*Z^2+8*X*Y^4*Z^3+72*X^2*Y^3*Z^2+48*X*Y^3*Z^3+220*X^2*Y^2*Z^2+24*X*Y^4*Z+48*X*Y^2*Z^3+72*X^2*Y*Z^2+144*X*Y^3*Z+40*X*Y*Z^3+144*X*Y^2*Z+120*X*Y*Z

Algorithm definition

The algorithm ⟨9×14×16:1260⟩ is the (Kronecker) tensor product of ⟨3×2×4:20⟩ with ⟨3×7×4:63⟩.

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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