Thomas Figura
03/22/2023, 7:39 PMTim Edwards
03/22/2023, 7:42 PM.option RSHUNT=1e20
or something of the sort. The point is to keep nodes from floating by having ngspice put a shunt resistor from every node. The shunt resistance can be as high as you want, so it doesn't affect the simulation, but it will prevent the matrix from becoming singular.Jon Ho
03/22/2023, 7:43 PMTim Edwards
03/22/2023, 7:44 PMJon Ho
03/22/2023, 7:46 PMTim Edwards
03/22/2023, 7:47 PMThomas Figura
03/22/2023, 7:47 PM