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Momentum Errors/Warnings

Question asked by eabmo on Sep 3, 2008
While running large (20 h) momentum simulation I often get this type of warning

LSS::CrsMatrix::setValue_binary(9510,17358,v): 1-based location in 17762x17762 matrix not allocated ==> value not set
LSS::CrsMatrix::setValue_binary(8205,16273,v): 1-based location in 17762x17762 matrix not allocated ==> value not set

The simulation goes on and completes but does this affect the simulation output and what does it mean?

I also sometimes get the following error.

Matrix is singular

This stops the simulation. Is it related to the layout itself or is it some abnormal behavior of the simulator?  

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