tmp

lgd_config.toml

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+# options of the Lévy-gradient-descent algorithms.
+[lgd]
+# hard stop after this many Lévy flights (0 = till mean-convergence test is satisfied).
+flight_times = 1000
+# batch size for mean-convergence test; 0 disables the test.
+batch = 0
+# random seed for Lévy generator; 0 = use current time.
+seed = 0
+# stopping threshold on batch-mean change.
+epsilon = 1e-5
+# std-dev of v for flight length = stddev_u / |stddev_v|^(1/beta).
+stddev_v = 1.0
+# stability index (1,2) controlling flight-length range; larger → shorter jumps.
+beta = 1.5
+# global step-size multiplier; larger → faster but possibly missed optima.
+alpha = 0.01
+# gradient-norm below which an orthogonal escape step is triggered.
+sigma = 1e-8
+# record only solutions whose objective ≤ lambda; negative = record all.
+lambda = -1.0
+# first-order moment coefficient.
+fmt = 0.5
+# second-order moment coefficient.
+smt = 0.05