dot_product in your code

[ghost]

Dear ifsheldon,

I would like to start by thanking you for creating legible MPL repo. Your work has been invaluable in advancing the field of computer vision, and I am truly grateful for your contributions.
I am writing to ask you one question about dot_product in your code:

But in official implementation of MPL, h is computed by:

which means h = L_S_new - L_S_old
And this is my writing of h:

Seem like we have the same idea. But why is it different from author's ?
If you figured it out, please inform me. Thank you so much.

[ifsheldon]

yeah....... Things get awkward. See here from MPL-PyTorch and its related issue. According to this issue, it turns out the MPL does not matter much.