Questions tagged [penalty-method]

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How to Solve Optimisation Problems using Penalty Functions in Python

I am working on a implementing a simple quadratic optimisation problem: $$\min _x \; {\underline{x}}^T Q {\underline{x}}$$ $$s.t. \,\quad {\underline{\mu}}^T{\underline{x}} = R^*$$ $$ \quad \quad \...
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Eigenvalue problem constrained with a penalty method

I am trying to constrain an eigenvalue problem. I am aware of the method utilizing the nullspace of the constraint vectors but I was wondering if it would be to use a penalty method for the same ...
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Will penalty-augmented stiffness matrix cause numerical issues in eigenvalue analysis?

In the finite element method, we often construct the constraints of the system by adding penalty-function terms ( which often are many many magnitudes, up to $10^6$ order bigger than the largest ...