Hi Emmanual,
Le vendredi 21 février 2020 20:39:31 UTC+1, Emmanuel Charpentier a écrit :
>
> But such variable names may cause havoc in a \LaTeX output. Consider:
>
> sage: var("λ")
> λ
>
> This works
>
> sage: latex(λ^2)
> λ^{2}
>
> Ahem: the rendition of λ is ... "λ", which pdflatex doesn't accept :
>
> sage: view(λ^2)
> An error occurred.
>
A solution here is to declare explicitly the LaTeX name of the symbolic
variable at creation, as we did when using only ASCII names:
sage: λ = var('λ', latex_name=r'\lambda')
sage: view(λ^2)
works perfectly.
Best regards,
Eric.
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