Dear Mr. Johnson and MPB Users
I tried a Loop to increase line defect of PCW, and study its effect of
dispersion curve.
But facing Error:
CHECK failure on line 243 of ../../../../src/matrices/blasglue.c: non
positive-definite matrix in potrf
then
solve_kpoint(0.219355,0,0):
Solving for bands 1 to 6...
and MPB Broken and will not continue any Iteration.
the location of error is random, I mean some times in 5th titration and some
time in other iteration this problem happened.
I searched on the forum, but unfortunately I Couldn't understand solution for
this error.
I have to mention when I run examples or .Ctl file with few number of
iteration, I will not face such a problem
Any Help!
Regards
Hassan
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