# LBFGS

Source: https://www.tensorplay.cn/docs/generated/tensorplay.optim.lbfgs.LBFGS.html

# LBFGS

class tensorplay.optim.lbfgs.LBFGS(params, lr=1, max_iter=20, max_eval=None, tolerance_grad=1e-07, tolerance_change=1e-09, history_size=100, line_search_fn=None, *, maximize=False)[[source]](../_modules/tensorplay/optim/lbfgs.html#LBFGS)

Limited-memory BFGS optimizer, aligned with torch.optim.LBFGS.