Why do we do that? There are many efficient matrix multiplication algorithms, so using them we can have an efficient implementation of convolution operation.

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We propose a high-precision digital optical matrix multiplier utilizing phase and amplitude for neural networks. Results show error-free performance with 16-bit precision in high-definition image ...

Even though the task of multiplying matrices appears to be rather straightforward, it can be quite challenging in practice. Many researchers have focused on how to effectively multiply two 2 by 2 ...