As we did in the formula, the whole vector x was an input to layer 1. Is there a meaning behind what we did in the lab by only making the first element of x be an input for layer 1? I
I understand why we had to reshape the matrix (as in, layers take matrices only as input), but I wanted to know if we selected the first element of X just as an example.
We used only the first example because that makes for a simple demonstration.
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Thank you very much @TMosh 