PDE Optimization : Does FENICS when using kkt method do optimization then discretize or discretize then optimize?


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12 weeks ago by
Hey,

Just curious if in the black box if when I create a Lagrangian does it calculate the variational derivatives in the function space and then discretize the variational derivative system - or does it just discretize the problem and do a high dimensional vector space optimization problem. I was just curious.
Community: FEniCS Project

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12 weeks ago by
Miguel  
FEniCS calculates the variational derivatives in the function space and then discretize them.
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