Symbolic-Permutation-Based Direct Sparse Jacobian Assembly for Accelerated Power-Flow Analysis

eess.SY, cs.NA, cs.PF, cs.SY, math.NA

Submitted: 2026-10-08

Updated: 2026-10-08

Comments: 9 pages, 3 figures

Code: https://github.com/BDonnot/lightsim2grid

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Sources

• An efficient open-source implementation to compute the Jacobian matrix for the Newton-Raphson power flow algorithm

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