Description of fast matrix multiplication algorithm: ⟨4×10×30:826⟩

Algorithm type

3⁢X4⁢Y10⁢Z4+6⁢X4⁢Y8⁢Z4+2⁢X4⁢Y6⁢Z4+13⁢X2⁢Y10⁢Z2+21⁢X4⁢Y4⁢Z4+13⁢X2⁢Y8⁢Z2+X4⁢Y2⁢Z4+12⁢X2⁢Y6⁢Z2+18⁢X2⁢Y5⁢Z2+50⁢X2⁢Y4⁢Z2+2⁢X2⁢Y2⁢Z4+12⁢X2⁢Y3⁢Z2+78⁢X⁢Y5⁢Z+157⁢X2⁢Y2⁢Z2+78⁢X⁢Y4⁢Z+6⁢X2⁢Y⁢Z2+72⁢X⁢Y3⁢Z+84⁢X⁢Y2⁢Z+12⁢X⁢Y⁢Z2+186⁢X⁢Y⁢Z3X4Y10Z46X4Y8Z42X4Y6Z413X2Y10Z221X4Y4Z413X2Y8Z2X4Y2Z412X2Y6Z218X2Y5Z250X2Y4Z22X2Y2Z412X2Y3Z278XY5Z157X2Y2Z278XY4Z6X2YZ272XY3Z84XY2Z12XYZ2186XYZ3*X^4*Y^10*Z^4+6*X^4*Y^8*Z^4+2*X^4*Y^6*Z^4+13*X^2*Y^10*Z^2+21*X^4*Y^4*Z^4+13*X^2*Y^8*Z^2+X^4*Y^2*Z^4+12*X^2*Y^6*Z^2+18*X^2*Y^5*Z^2+50*X^2*Y^4*Z^2+2*X^2*Y^2*Z^4+12*X^2*Y^3*Z^2+78*X*Y^5*Z+157*X^2*Y^2*Z^2+78*X*Y^4*Z+6*X^2*Y*Z^2+72*X*Y^3*Z+84*X*Y^2*Z+12*X*Y*Z^2+186*X*Y*Z

Algorithm definition

The algorithm ⟨4×10×30:826⟩ is the (Kronecker) tensor product of ⟨2×5×15:118⟩ with ⟨2×2×2:7⟩.

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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