Description of fast matrix multiplication algorithm: ⟨2×10×13:202⟩

Algorithm type

XY9Z+4XY8Z+X2Y5Z2+5XY7Z+4X2Y4Z2+10XY6Z+21X2Y3Z2+7XY5Z+32X2Y2Z2+4XY4Z+10XY3Z+27XY2Z+76XYZXY9Z4XY8ZX2Y5Z25XY7Z4X2Y4Z210XY6Z21X2Y3Z27XY5Z32X2Y2Z24XY4Z10XY3Z27XY2Z76XYZX*Y^9*Z+4*X*Y^8*Z+X^2*Y^5*Z^2+5*X*Y^7*Z+4*X^2*Y^4*Z^2+10*X*Y^6*Z+21*X^2*Y^3*Z^2+7*X*Y^5*Z+32*X^2*Y^2*Z^2+4*X*Y^4*Z+10*X*Y^3*Z+27*X*Y^2*Z+76*X*Y*Z

Algorithm definition

The algorithm ⟨2×10×13:202⟩ is taken from:

John Edward Hopcroft and Leslie R. Kerr. On minimizing the number of multiplication necessary for matrix multiplication. SIAM Journal on Applied Mathematics, 20(1), January 1971. [DOI]

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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