1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
"""
plot_pareto_front
=================
.. autofunction:: optuna.visualization.matplotlib.plot_pareto_front
The following code snippet shows how to plot the Pareto front of a study.
"""
import optuna
def objective(trial):
x = trial.suggest_float("x", 0, 5)
y = trial.suggest_float("y", 0, 3)
v0 = 4 * x**2 + 4 * y**2
v1 = (x - 5) ** 2 + (y - 5) ** 2
return v0, v1
study = optuna.create_study(directions=["minimize", "minimize"])
study.optimize(objective, n_trials=50)
optuna.visualization.matplotlib.plot_pareto_front(study)
|
