[aspect-devel] Linear solver A block tolerance & Linear solver S block tolerance ?

[Shangxin Liu]

Hi Timo,

This may be unrelated to our alpha vs gravity discussion. But there are two
new Global parameters I have no idea about their function:

Linear solver A block tolerance and Linear solver S block tolerance.

What are their mathematic meanings and functions, compared to linear solver
tolerance?

Best,
Shangxin
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