Justin Chang via petsc-users <petsc-users@mcs.anl.gov> writes: > Here's IMHO the simplest explanation of the equations I'm trying to solve: > > http://home.eng.iastate.edu/~jdm/ee458_2011/PowerFlowEquations.pdf > > Right now we're just trying to solve eq(5) (in section 1), inverting the > linear Y-bus matrix. Eventually we have to be able to solve equations like > those in the next section.
It's always useful to pick a smallish problem and compute the spectrum of the operator and plot the eigenvectors associated with interesting eigenvalues (especially those near zero and those with largest magnitude). Eq 5 looks like a graph Laplacian.