TEST: Lower tolerance on the compute stationary matrices.
TEST: Lower tolerance on the compute stationary matrices.

QuantEcon/QuantEcon.py,agutieda/QuantEcon.py,oyamad/QuantEcon.py,andybrnr/QuantEcon.py,jviada/QuantEcon.py,gxxjjj/QuantEcon.py,gxxjjj/QuantEcon.py,andybrnr/QuantEcon.py,chenxulong/quanteco,mgahsan/QuantEcon.py,oyamad/QuantEcon.py,jviada/QuantEcon.py,chenxulong/quanteco,agutieda/QuantEcon.py,dingliumath/quant-econ,mgahsan/QuantEcon.py,QuantEcon/QuantEcon.py,dingliumath/quant-econ