Description of fast matrix multiplication algorithm: ⟨6×11×15:653⟩

Algorithm type

12X4Y5Z4+20X4Y4Z4+24X2Y6Z2+6X2Y5Z2+8X2Y3Z4+23X2Y4Z2+26X2Y2Z4+9XY6Z+XY5Z2+X3Y3Z+2X2Y4Z+63X2Y3Z2+5XY5Z+XY4Z2+4XY3Z3+9X3Y2Z+5X2Y3Z+90X2Y2Z2+18XY4Z+35XY3Z2+14XY2Z3+14X3YZ+6X2Y2Z+3X2YZ2+87XY3Z+10XY2Z2+12XYZ3+2X2YZ+71XY2Z+33XYZ2+39XYZ12X4Y5Z420X4Y4Z424X2Y6Z26X2Y5Z28X2Y3Z423X2Y4Z226X2Y2Z49XY6ZXY5Z2X3Y3Z2X2Y4Z63X2Y3Z25XY5ZXY4Z24XY3Z39X3Y2Z5X2Y3Z90X2Y2Z218XY4Z35XY3Z214XY2Z314X3YZ6X2Y2Z3X2YZ287XY3Z10XY2Z212XYZ32X2YZ71XY2Z33XYZ239XYZ12*X^4*Y^5*Z^4+20*X^4*Y^4*Z^4+24*X^2*Y^6*Z^2+6*X^2*Y^5*Z^2+8*X^2*Y^3*Z^4+23*X^2*Y^4*Z^2+26*X^2*Y^2*Z^4+9*X*Y^6*Z+X*Y^5*Z^2+X^3*Y^3*Z+2*X^2*Y^4*Z+63*X^2*Y^3*Z^2+5*X*Y^5*Z+X*Y^4*Z^2+4*X*Y^3*Z^3+9*X^3*Y^2*Z+5*X^2*Y^3*Z+90*X^2*Y^2*Z^2+18*X*Y^4*Z+35*X*Y^3*Z^2+14*X*Y^2*Z^3+14*X^3*Y*Z+6*X^2*Y^2*Z+3*X^2*Y*Z^2+87*X*Y^3*Z+10*X*Y^2*Z^2+12*X*Y*Z^3+2*X^2*Y*Z+71*X*Y^2*Z+33*X*Y*Z^2+39*X*Y*Z

Algorithm definition

The algorithm ⟨6×11×15:653⟩ is taken from:

Andrew I. Perminov. FastMatrixMultiplication, GitHub, February 2026. [ GitHub repository ]

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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