XPost: comp.lang.c++   
   From: tkoenig@netcologne.de   
      
   Lynn McGuire  schrieb:   
   > On 2/7/2026 1:15 PM, Thomas Koenig wrote:   
   >> Lynn McGuire  schrieb:   
      
   >> I haven't used your software, but I have used Aspen (only very   
   >> little) and found it horrible.  How it is possible for a solution to   
   >> diverge when the starting solution is already converged is beyond   
   >> me, all explanations that occur to me could be considered insults,   
   >> so I am not toing to go into that.  That was worst; I hope your   
   >> software does better.   
      
   [...]   
      
   > We force all loops in simulations to go through a minimum of three   
   > iterations.  What appears to be converged may not be converged in reality.   
      
   In this particular case, it is a converged solution from a prevous   
   iteration, which then promptly diverges, you have to perturb it to get   
   it to converge again.  How Aspen gets away with this, I don't know.   
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