On 03/16/2015 06:34 PM, Bård Skaflestad wrote: > On 16/03/15 18:28, Jørgen Kvalsvik wrote: >> On 03/16/2015 05:07 PM, Bård Skaflestad wrote: >>> We currently implement the second approach. The matrix sparsity >>> (connection) structure does not change between calls to solve(), >>> although the numerical values of the coefficients certainly change. >> Isn't that what the second version is all about? Meaning no sparsity >> structure is re-formed, considering it's determined during >> initSystemStructure and never changed. > > Yes it is. We implement the second version. No change to the formed > matrix sparsity/connection structure, but changes to the numerical > values of the coefficient matrix and right hand sides. > Right, but isn't this also, I suppose implicitly, reforming the unchanged sparcity structure?
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