hayasaki

6 ms·

1. 1.▲
   by hayasaki 3y ago

   Yeah, adding "for Arch Linux" seems unnecessary. Could @dang correct the title?
2. 2.▲
   by hayasaki 3y ago

   The correct version you can find here: https://en.wikipedia.org/wiki/Kronecker_product#Matrix_equat... The answer for why it is so is pretty trivial(just do the indexing for each element) if you know the definition of
3. 3.▲
   by hayasaki 3y ago

   They have an error in their formula, but the vectorized form(stacking columns of the matrix to form a vector) of the triple matrix multiplication(A times B times C) can be changed to a form involving kronecker products against another vecto
4. 4.▲
   by hayasaki 3y ago

   My friend, you don't even need it to be in vector space for functional analysis. Truly what is needed is just an inner product. I will grant you the inner product must be linear and hence in a vector space.