Module lbfgs 

L-BFGS (Limited-memory BFGS) optimizer.

Uses the two-loop recursion to compute search directions using only the last m (s, y) correction pairs, requiring O(mn) storage instead of O(n²).

Author: Moussa Leblouba Date: 8 February 2026 Modified: 2 May 2026

Structs

Lbfgs

L-BFGS optimizer.

LbfgsOptions

Options specific to L-BFGS.

Functions

lbfgs_minimize

Minimize f(x) using L-BFGS.