fixing the torch.gesv in utils_torch_filter.py

[jihojeong]

Hello, meanwhile I was trying to compile, I have noticed that "torch.gesv" was used in the utils_torch_filter.py, and it is not supported by pytorch anymore. Hence, I was trying to replace it with torch.solve, and it is deprecated as well. Anyone has an idea to handle this?

[Rajat-Arora]

@jihojeong were you able to figure it out?

[thomasya]

try

Kt = torch.linalg.solve(S, P.mm(H.t()).t())

[robocar2018]

@thomasya. Nice, thanks.