Dear Mr or Mrs
When I load FeynCalc and FeynArts in a same notebook to generate Feynman diagrams and feynman amplitude by FeyArts and then simplify feynman amplitude by Feycalc, there are some warning and some commands don't work. I have tried some different versions of FeyCalc and FeynArts downloading from homepage, but I still failed. The tries also include loading FeynArts directly by "<<" and indirectly by "$LoadFeynArts=True". What is the difference between the directly load and indirectly load? I am confused about it. I wonder whether FeynCalc and FeynArts couldn't work togther in a same nb. Could you help me?
My paltform is windowsXP and my mathematica is 5.2 students version
The Feyarts and FeyCalc are unpacked separately in dir"..\Mathematica\5.2\AddOns\Applications"
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