re21
- desdeo_problem.testproblems.re21(var_iv=array([2, 2, 2, 2]))[source]
Four bar truss design problem. Two objectives and four variables.
- Parameters:
var_iv (np.array) – Optional, initial variable values. Defaults are [2, 2, 2, 2]. x1, x4 ∈ [a, 3a], x2, x3 ∈ [√2 a, 3a] and a = F / sigma
- Returns:
a problem object.
- Return type: