Description of fast matrix multiplication algorithm: ⟨4×25×25:1600⟩

Algorithm type

100⁢X4⁢Y4⁢Z4+16⁢X⁢Y9⁢Z+80⁢X2⁢Y6⁢Z2+200⁢X2⁢Y4⁢Z2+80⁢X⁢Y6⁢Z+320⁢X2⁢Y2⁢Z2+100⁢X⁢Y4⁢Z+128⁢X⁢Y3⁢Z+320⁢X⁢Y2⁢Z+256⁢X⁢Y⁢Z100X4Y4Z416XY9Z80X2Y6Z2200X2Y4Z280XY6Z320X2Y2Z2100XY4Z128XY3Z320XY2Z256XYZ100*X^4*Y^4*Z^4+16*X*Y^9*Z+80*X^2*Y^6*Z^2+200*X^2*Y^4*Z^2+80*X*Y^6*Z+320*X^2*Y^2*Z^2+100*X*Y^4*Z+128*X*Y^3*Z+320*X*Y^2*Z+256*X*Y*Z

Algorithm definition

The algorithm ⟨4×25×25:1600⟩ is the (Kronecker) tensor product of ⟨2×5×5:40⟩ with ⟨2×5×5:40⟩.

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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