Question

Class of optimization problems with no constraints are known as?

Answer 1

Hey friend, Harish here,

Here is your answer.
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The class of optimization problems in which there are no constraints are know as the Unconstrained optimization problems. 

These kind of  problems arise directly in many practical applications.They also rise in reformulation of constrained optimization problems in which the constraints are replaced by a penalty  term in the objective function.
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