Choice of Network Solver:
Backwar-Euler : dY(t+Δt)/dt = [Y(t+Δt) - Y(t)]/Δt

Choice of Matrix Solver:
Use of a Sparse Solver because our network is very large so we are using:

PARADISO: Instructions for implementing this solver into xnet can be found here

Chart of nuclides - written by Kaitlin Cook
This code plots a blank chart of nuclides - may be edited for animation, or just to indicate which nuclei are included in your network