PSDLoopRegions[name, loopIntegral, order, smallnessParameter]
is an auxiliary function that creates input for pySecDec’s
loop_regions routine. The results is returned as a
string.
PSDLoopPackage is used by
PSDCreatePythonScripts when assembling the generation
script for an asymptotic expansion.
Overview, PSDCreatePythonScripts, PSDIntegrate, PSDLoopIntegralFromPropagators, PSDLoopPackage.
PSDLoopRegions["loopint", "li", 2, z]\text{loop$\_$regions($\backslash $nname = 'loopint',$\backslash $nloop$\_$integral = li,$\backslash $nsmallness$\_$parameter = 'z',$\backslash $nexpansion$\_$by$\_$regions$\_$order = 2,$\backslash $ndecomposition$\_$method = 'geometric'$\backslash $n)}