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Topic Started: Mar 22 2018, 12:09 PM (6 Views)
victorgrant

Hello,

I am using the June 2016 version of Cosmomc and running using mock data with default paramteres. The mock data was generated using the makePerfectForecastDataset.py code with the Cl's output from CAMB. For some reason the Monte Carlo does not start and I get the following error:
starting Monte-Carlo
Matrix_Cholesky: not positive definite 2
MpiStop: 23
application called MPI_Abort(MPI_COMM_WORLD, 1) - process 23
I read up similar posts on Cosmocoffee where the issue was resolved by deleting the *.chk checkpoint files. However in my case, I have disabled checkpointing and hence there are no .chk files.
Any idea about what I could be doing wrong?

Any help will be apprecited.

I didn't find the right solution from the Internet.

References:
http://cosmocoffee.info/viewtopic.php?p=7485
brand examples

Thank you.


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