self doubt

Question

i could not remember the strassen matrix multiplication equation is it necessary to remember the equation

which is given by 

https://www.geeksforgeeks.org/easy-way-remember-strassens-matrix-equation/??

Comments

i hope, not needed

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no need to remember..just do remember the complexity part.

Answer 1

Just remember how it is different from the recursive multiplication, and the improvement which it provides( in the form of recursive branches). That's should be enough.