Thank you so much, I am going to follow your suggestion Francesco
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Thank you so much I am goig to foloow your suggestion
El viernes, 6 de abril de 2018, 1:02:31 (UTC-5), Moises Zeleny escribió:
>
> Hi, everyone
>
> I am a new sympy user and usually I work with Jupyter notebook. I would
> like construct a new symbolic class named FV (Four vector), I have made thi
