constraints_mcdm

Reference for constraint handling and multi-criteria decision making in pymoo.

Skills
Scientific
2

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Content

# Pymoo Constraints and Decision Making Reference

Reference for constraint handling and multi-criteria decision making in pymoo.

## Constraint Handling

### Defining Constraints

Constraints are specified in the Problem definition:

```python
from pymoo.core.problem import ElementwiseProblem
import numpy as np

class ConstrainedProblem(ElementwiseProblem):
    def __init__(self):
        super().__init__(
            n_var=2,
            n_obj=2,
            n_ieq_constr=2,    # Number of inequality constraints
            n_eq_constr=1,      # Number of equality constraints
            xl=n

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