Click anywhere to drop a ball. Every starting point in the blue region
rolls to A, every starting point in red rolls to B.
Click anywhere on the table to drop a ball.
05 · Explore
How to use this tool
Line impedance
low |Z|high |Z|
One-line
Click anywhere on the map to run Newton–Raphson from that
initial (Vm, Va).
No run yet.
Show raw NR trace
The convergence map is precomputed: each pixel is one Newton–Raphson
run from that starting point, 45 000 runs per impedance. Everything
else on this page — both exact solutions, the nose curve, the magnet
toy, and the trace drawn when you click — is computed in your
browser as you interact.