Problem description

ignite.m fails to solve using MATLAB's own ode15s solver. At 3e-4 seconds, reactor temperature blows up, forcing the solver to take an impossibly small step size.

The problem was originally reported in #1997, see #1997 (comment)

Behavior

System information

• Cantera version: 3.2.0b1
• OS: macOS
• Python/MATLAB/other software versions: MATLAB 2025b