Exercise 1 - triplet_loss - why

may i ask where i made mistake? i followed what the hint give, did i miss anything??

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Please do not post your code on the forum. That breaks the course Honor Code.

If a mentor needs to see your code, we’ll ask you to send it via a private message.

Yes, you are missing several things in those computations. I suggest you read the instructions and hints again and consider how they apply to your code. One thing to note in particular is that the squared norm of a vector or matrix involves computing a summation, right? It is the sum of the squares of the elements of the vector. I don’t see that anywhere in your code.