How can use sparse algorithm in phase field model?

01 December 2019 1 4K Report

I am running the attached code. it is about the grain growth using phase field model. But unfortunately its performance in high grid point is not good enough. one the algorithm that is common for improving performance is sparse. I tried it but it looks to have some issues in matrix. I'd be thankful to have suggestion to solve this problem.

suggestion to solve this problem.

Renaud Di Francesco

I cannot open the attached file. Can you explain in simple mathematical terms the problem you are solving, and the method you have chosen, until the point where you would like advice.

Then I may be able to help. I have used algebraic properties of systems for reduced complexity, and sparse data are one case...

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