Multistart optimization

Runs simple optimization problem with multiple starting points Nests a MDOScenario in a DOEScenario using a MDOScenarioAdapter.

from __future__ import division, unicode_literals

from matplotlib import pyplot as plt

from gemseo.api import (
    configure_logger,
    create_design_space,
    create_discipline,
    create_scenario,
)
from gemseo.core.mdo_scenario import MDOScenarioAdapter

configure_logger()

Out:

<RootLogger root (INFO)>

Create the disciplines

objective = create_discipline(
    "AnalyticDiscipline", expressions_dict={"obj": "x**3-x+1"}
)
constraint = create_discipline(
    "AnalyticDiscipline", expressions_dict={"cstr": "x**2+obj**2-1.5"}
)

Create the design space

design_space = create_design_space()
design_space.add_variable("x", 1, l_b=-1.5, u_b=1.5, value=1.5)

Create the MDO scenario

scenario = create_scenario(
    [objective, constraint],
    formulation="DisciplinaryOpt",
    objective_name="obj",
    design_space=design_space,
)
scenario.default_inputs = {"algo": "SLSQP", "max_iter": 10}
scenario.add_constraint("cstr", "ineq")

Create the scenario adapter

dv_names = scenario.formulation.opt_problem.design_space.variables_names
adapter = MDOScenarioAdapter(
    scenario, dv_names, ["obj", "cstr"], set_x0_before_opt=True
)

Create the DOE scenario

scenario_doe = create_scenario(
    adapter,
    formulation="DisciplinaryOpt",
    objective_name="obj",
    design_space=design_space,
    scenario_type="DOE",
)
scenario_doe.add_constraint("cstr", "ineq")
run_inputs = {"n_samples": 10, "algo": "fullfact"}
scenario_doe.execute(run_inputs)

Out:

    INFO - 21:50:46:
    INFO - 21:50:46: *** Start DOE Scenario execution ***
    INFO - 21:50:46: DOEScenario
    INFO - 21:50:46:    Disciplines: MDOScenario_adapter
    INFO - 21:50:46:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:46:    Algorithm: fullfact
    INFO - 21:50:46: Optimization problem:
    INFO - 21:50:46:    Minimize: obj(x)
    INFO - 21:50:46:    With respect to: x
    INFO - 21:50:46:    Subject to constraints:
    INFO - 21:50:46:       cstr(x) <= 0.0
    INFO - 21:50:46: Full factorial design required. Number of samples along each direction for a design vector of size 1 with 10 samples: 10
    INFO - 21:50:46: Final number of samples for DOE = 10 vs 10 requested
    INFO - 21:50:46: DOE sampling:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:46:
    INFO - 21:50:46: *** Start MDO Scenario execution ***
    INFO - 21:50:46: MDOScenario
    INFO - 21:50:46:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:46:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:46:    Algorithm: SLSQP
    INFO - 21:50:46: Optimization problem:
    INFO - 21:50:46:    Minimize: obj(x)
    INFO - 21:50:46:    With respect to: x
    INFO - 21:50:46:    Subject to constraints:
    INFO - 21:50:46:       cstr(x) <= 0.0
    INFO - 21:50:46: Design space:
    INFO - 21:50:46: +------+-------------+-------+-------------+-------+
    INFO - 21:50:46: | name | lower_bound | value | upper_bound | type  |
    INFO - 21:50:46: +------+-------------+-------+-------------+-------+
    INFO - 21:50:46: | x    |     -1.5    |  -1.5 |     1.5     | float |
    INFO - 21:50:46: +------+-------------+-------+-------------+-------+
    INFO - 21:50:46: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:46: 
 WARNING - 21:50:46: Optimization found no feasible point !  The least infeasible point is selected.
    INFO - 21:50:46: Optimization: 100%|██████████| 10/10 [00:00<00:00, 514.32 it/sec, obj=1.25]
    INFO - 21:50:46: Optimization result:
    INFO - 21:50:46: Objective value = 0.2888129873625884
    INFO - 21:50:46: The result is not feasible.
    INFO - 21:50:46: Status: None
    INFO - 21:50:46: Optimizer message: Maximum number of iterations reached. GEMSEO Stopped the driver
    INFO - 21:50:46: Number of calls to the objective function by the optimizer: 12
    INFO - 21:50:46: Constraints values:
    INFO - 21:50:46:    cstr = 0.1513713660745195
    INFO - 21:50:46: Design space:
    INFO - 21:50:46: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:46: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:46: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:46: | x    |     -1.5    | -1.252181466244097 |     1.5     | float |
    INFO - 21:50:46: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:46: *** MDO Scenario run terminated in 0:00:00.024844 ***
    INFO - 21:50:46:
    INFO - 21:50:46: *** Start MDO Scenario execution ***
    INFO - 21:50:46: MDOScenario
    INFO - 21:50:46:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:46:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:46:    Algorithm: SLSQP
    INFO - 21:50:46: Optimization problem:
    INFO - 21:50:46:    Minimize: obj(x)
    INFO - 21:50:46:    With respect to: x
    INFO - 21:50:46:    Subject to constraints:
    INFO - 21:50:46:       cstr(x) <= 0.0
    INFO - 21:50:46: Design space:
    INFO - 21:50:46: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:46: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:46: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:46: | x    |     -1.5    | -1.166666666666667 |     1.5     | float |
    INFO - 21:50:46: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:46: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:46: 
 WARNING - 21:50:47: Optimization found no feasible point !  The least infeasible point is selected.
    INFO - 21:50:47: Optimization: 100%|██████████| 10/10 [00:00<00:00, 610.29 it/sec, obj=0.288]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.28811314244670916
    INFO - 21:50:47: The result is not feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: Maximum number of iterations reached. GEMSEO Stopped the driver
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 12
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = 0.15144075010172386
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | -1.252370379421043 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: *** MDO Scenario run terminated in 0:00:00.021446 ***
    INFO - 21:50:47:
    INFO - 21:50:47: *** Start MDO Scenario execution ***
    INFO - 21:50:47: MDOScenario
    INFO - 21:50:47:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:47:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:47:    Algorithm: SLSQP
    INFO - 21:50:47: Optimization problem:
    INFO - 21:50:47:    Minimize: obj(x)
    INFO - 21:50:47:    With respect to: x
    INFO - 21:50:47:    Subject to constraints:
    INFO - 21:50:47:       cstr(x) <= 0.0
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+---------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |        value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+---------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | -0.8333333333333334 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+---------------------+-------------+-------+
    INFO - 21:50:47: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:47: 
 WARNING - 21:50:47: Optimization found no feasible point !  The least infeasible point is selected.
    INFO - 21:50:47: Optimization: 100%|██████████| 10/10 [00:00<00:00, 643.89 it/sec, obj=-.875]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.5837798751488654
    INFO - 21:50:47: The result is not feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: Maximum number of iterations reached. GEMSEO Stopped the driver
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 12
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = 0.19806414484529755
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | -1.165017254042391 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: *** MDO Scenario run terminated in 0:00:00.020775 ***
    INFO - 21:50:47:
    INFO - 21:50:47: *** Start MDO Scenario execution ***
    INFO - 21:50:47: MDOScenario
    INFO - 21:50:47:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:47:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:47:    Algorithm: SLSQP
    INFO - 21:50:47: Optimization problem:
    INFO - 21:50:47:    Minimize: obj(x)
    INFO - 21:50:47:    With respect to: x
    INFO - 21:50:47:    Subject to constraints:
    INFO - 21:50:47:       cstr(x) <= 0.0
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+-------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound | value | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+-------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    |  -0.5 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+-------+-------------+-------+
    INFO - 21:50:47: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:47: 
    INFO - 21:50:47: Optimization: 100%|██████████| 10/10 [00:00<00:00, 502.31 it/sec, obj=0.615]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.6150998219543254
    INFO - 21:50:47: The result is feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: Maximum number of iterations reached. GEMSEO Stopped the driver
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 13
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = -0.788285881879476
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | 0.5773788419679762 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: *** MDO Scenario run terminated in 0:00:00.025146 ***
    INFO - 21:50:47:
    INFO - 21:50:47: *** Start MDO Scenario execution ***
    INFO - 21:50:47: MDOScenario
    INFO - 21:50:47:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:47:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:47:    Algorithm: SLSQP
    INFO - 21:50:47: Optimization problem:
    INFO - 21:50:47:    Minimize: obj(x)
    INFO - 21:50:47:    With respect to: x
    INFO - 21:50:47:    Subject to constraints:
    INFO - 21:50:47:       cstr(x) <= 0.0
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+---------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |        value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+---------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | -0.1666666666666667 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+---------------------+-------------+-------+
    INFO - 21:50:47: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:47: 
    INFO - 21:50:47: Optimization: 100%|██████████| 10/10 [00:00<00:00, 488.45 it/sec, obj=0.615]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.6150998205402495
    INFO - 21:50:47: The result is feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: Maximum number of iterations reached. GEMSEO Stopped the driver
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 12
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = -0.7883188793606977
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | 0.5773502675245377 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: *** MDO Scenario run terminated in 0:00:00.025789 ***
    INFO - 21:50:47: DOE sampling:  50%|█████     | 5/10 [00:00<00:00, 79.18 it/sec]
    INFO - 21:50:47:
    INFO - 21:50:47: *** Start MDO Scenario execution ***
    INFO - 21:50:47: MDOScenario
    INFO - 21:50:47:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:47:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:47:    Algorithm: SLSQP
    INFO - 21:50:47: Optimization problem:
    INFO - 21:50:47:    Minimize: obj(x)
    INFO - 21:50:47:    With respect to: x
    INFO - 21:50:47:    Subject to constraints:
    INFO - 21:50:47:       cstr(x) <= 0.0
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | 0.1666666666666667 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:47: 
    INFO - 21:50:47: Optimization:  90%|█████████ | 9/10 [00:00<00:00, 567.96 it/sec, obj=0.615]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.6150998205402508
    INFO - 21:50:47: The result is feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: Successive iterates of the objective function are closer than ftol_rel or ftol_abs. GEMSEO Stopped the driver
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 10
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = -0.7883189092934597
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | 0.5773502416020033 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: *** MDO Scenario run terminated in 0:00:00.022848 ***
    INFO - 21:50:47:
    INFO - 21:50:47: *** Start MDO Scenario execution ***
    INFO - 21:50:47: MDOScenario
    INFO - 21:50:47:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:47:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:47:    Algorithm: SLSQP
    INFO - 21:50:47: Optimization problem:
    INFO - 21:50:47:    Minimize: obj(x)
    INFO - 21:50:47:    With respect to: x
    INFO - 21:50:47:    Subject to constraints:
    INFO - 21:50:47:       cstr(x) <= 0.0
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+-------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound | value | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+-------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    |  0.5  |     1.5     | float |
    INFO - 21:50:47: +------+-------------+-------+-------------+-------+
    INFO - 21:50:47: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:47: 
    INFO - 21:50:47: Optimization:  70%|███████   | 7/10 [00:00<00:00, 736.19 it/sec, obj=0.615]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.6150998205402526
    INFO - 21:50:47: The result is feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: Successive iterates of the objective function are closer than ftol_rel or ftol_abs. GEMSEO Stopped the driver
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 8
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = -0.7883188285028959
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | 0.5773503115686811 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: *** MDO Scenario run terminated in 0:00:00.019084 ***
    INFO - 21:50:47:
    INFO - 21:50:47: *** Start MDO Scenario execution ***
    INFO - 21:50:47: MDOScenario
    INFO - 21:50:47:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:47:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:47:    Algorithm: SLSQP
    INFO - 21:50:47: Optimization problem:
    INFO - 21:50:47:    Minimize: obj(x)
    INFO - 21:50:47:    With respect to: x
    INFO - 21:50:47:    Subject to constraints:
    INFO - 21:50:47:       cstr(x) <= 0.0
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | 0.8333333333333335 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:47: 
    INFO - 21:50:47: Optimization: 100%|██████████| 10/10 [00:00<00:00, 603.32 it/sec, obj=0.288]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.7453703703703706
    INFO - 21:50:47: The result is feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: Maximum number of iterations reached. GEMSEO Stopped the driver
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 12
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = -0.2499785665294918
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | 0.8333333333333335 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: *** MDO Scenario run terminated in 0:00:00.021737 ***
    INFO - 21:50:47:
    INFO - 21:50:47: *** Start MDO Scenario execution ***
    INFO - 21:50:47: MDOScenario
    INFO - 21:50:47:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:47:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:47:    Algorithm: SLSQP
    INFO - 21:50:47: Optimization problem:
    INFO - 21:50:47:    Minimize: obj(x)
    INFO - 21:50:47:    With respect to: x
    INFO - 21:50:47:    Subject to constraints:
    INFO - 21:50:47:       cstr(x) <= 0.0
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+-------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value       | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+-------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | 1.166666666666667 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+-------------------+-------------+-------+
    INFO - 21:50:47: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:47: 
 WARNING - 21:50:47: Optimization found no feasible point !  The least infeasible point is selected.
    INFO - 21:50:47: Optimization: 100%|██████████| 10/10 [00:00<00:00, 610.29 it/sec, obj=0.288]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.28811314244698893
    INFO - 21:50:47: The result is not feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: Maximum number of iterations reached. GEMSEO Stopped the driver
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 12
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = 0.1514407501016959
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | -1.252370379420967 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: *** MDO Scenario run terminated in 0:00:00.021535 ***
    INFO - 21:50:47:
    INFO - 21:50:47: *** Start MDO Scenario execution ***
    INFO - 21:50:47: MDOScenario
    INFO - 21:50:47:    Disciplines: AnalyticDiscipline AnalyticDiscipline
    INFO - 21:50:47:    MDOFormulation: DisciplinaryOpt
    INFO - 21:50:47:    Algorithm: SLSQP
    INFO - 21:50:47: Optimization problem:
    INFO - 21:50:47:    Minimize: obj(x)
    INFO - 21:50:47:    With respect to: x
    INFO - 21:50:47:    Subject to constraints:
    INFO - 21:50:47:       cstr(x) <= 0.0
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+-------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound | value | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+-------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    |  1.5  |     1.5     | float |
    INFO - 21:50:47: +------+-------------+-------+-------------+-------+
    INFO - 21:50:47: Optimization:   0%|          | 0/10 [00:00<?, ?it]
    INFO - 21:50:47: 
 WARNING - 21:50:47: Optimization found no feasible point !  The least infeasible point is selected.
    INFO - 21:50:47: Optimization: 100%|██████████| 10/10 [00:00<00:00, 590.29 it/sec, obj=0.288]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.28811314244587316
    INFO - 21:50:47: The result is not feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: Maximum number of iterations reached. GEMSEO Stopped the driver
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 12
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = 0.15144075010180735
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |       value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | -1.252370379421268 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+--------------------+-------------+-------+
    INFO - 21:50:47: *** MDO Scenario run terminated in 0:00:00.022268 ***
    INFO - 21:50:47: DOE sampling: 100%|██████████| 10/10 [00:00<00:00, 41.61 it/sec]
    INFO - 21:50:47: DOE sampling: 100%|██████████| 10/10 [00:00<00:00, 41.50 it/sec]
    INFO - 21:50:47: Optimization result:
    INFO - 21:50:47: Objective value = 0.6150998205402495
    INFO - 21:50:47: The result is feasible.
    INFO - 21:50:47: Status: None
    INFO - 21:50:47: Optimizer message: None
    INFO - 21:50:47: Number of calls to the objective function by the optimizer: 10
    INFO - 21:50:47: Constraints values:
    INFO - 21:50:47:    cstr = -0.7883188793606977
    INFO - 21:50:47: Design space:
    INFO - 21:50:47: +------+-------------+---------------------+-------------+-------+
    INFO - 21:50:47: | name | lower_bound |        value        | upper_bound | type  |
    INFO - 21:50:47: +------+-------------+---------------------+-------------+-------+
    INFO - 21:50:47: | x    |     -1.5    | -0.1666666666666667 |     1.5     | float |
    INFO - 21:50:47: +------+-------------+---------------------+-------------+-------+
    INFO - 21:50:47: *** DOE Scenario run terminated ***

{'eval_jac': False, 'algo': 'fullfact', 'n_samples': 10}

Plot the optimum objective for different x0

scenario_doe.post_process("BasicHistory", data_list=["obj"], save=False, show=False)
# Workaround for HTML rendering, instead of ``show=True``
plt.show()
History plot

Total running time of the script: ( 0 minutes 0.488 seconds)

Gallery generated by Sphinx-Gallery