Description of fast matrix multiplication algorithm: ⟨16×18×20:3328⟩

Algorithm type

32⁢X6⁢Y8⁢Z12+32⁢X3⁢Y4⁢Z12+256⁢X4⁢Y4⁢Z8+32⁢X2⁢Y8⁢Z4+256⁢X2⁢Y2⁢Z8+64⁢X3⁢Y4⁢Z3+32⁢X⁢Y4⁢Z4+512⁢X2⁢Y2⁢Z4+512⁢X2⁢Y2⁢Z2+64⁢X⁢Y4⁢Z+512⁢X⁢Y⁢Z4+1024⁢X⁢Y⁢Z32X6Y8Z1232X3Y4Z12256X4Y4Z832X2Y8Z4256X2Y2Z864X3Y4Z332XY4Z4512X2Y2Z4512X2Y2Z264XY4Z512XYZ41024XYZ32*X^6*Y^8*Z^12+32*X^3*Y^4*Z^12+256*X^4*Y^4*Z^8+32*X^2*Y^8*Z^4+256*X^2*Y^2*Z^8+64*X^3*Y^4*Z^3+32*X*Y^4*Z^4+512*X^2*Y^2*Z^4+512*X^2*Y^2*Z^2+64*X*Y^4*Z+512*X*Y*Z^4+1024*X*Y*Z

Algorithm definition

The algorithm ⟨16×18×20:3328⟩ is the (Kronecker) tensor product of ⟨4×2×5:32⟩ with ⟨4×9×4:104⟩.

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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