I get an warning for singularity with calling fmincon. I would like to know what is causing this, however the error occurs in a p-file making it hard to investigate:
Warning: Matrix is close to singular or badly scaled. Results may be
inaccurate. RCOND = 1.553382e-17.
> In backsolveSys (line 17)
In solveKKTsystem (line 15)
In computeTrialStep (line 66)
In barrier (line 357)
In fmincon (line 796)
In Call_Optimize (line 115)
What is computed in backsolveSys?