Great, thank you. Change/extend as much as you like, I'd be really grateful
if you could have a closer look at it.
Kurt
On Monday, 30 January 2017 04:07:41 UTC+1, oldk1331 wrote:
>
> Hello Kurt, I'm also interested in differential forms and differential
> geometry,
> and I looked into dform.spad/pdf a bit, I make some changes to example
> code. Also a word of advice: you can cleanup trailing white spaces in
> these
> files.
>
> diff --git a/deploy/dform.spad b/deploy/dform.spad
> index 4ebe1db..d09dd12 100644
> --- a/deploy/dform.spad
> +++ b/deploy/dform.spad
> @@ -659,9 +659,9 @@
> X ==> Expression R -- function Ring
> \end{lstlisting}
> %
> -For the examples that follow we will choose {\tt R=Integer},
> +For the following examples we will choose {\tt R==>Integer},
> \begin{verbatim}
> - v=[x[0],x[1],x[2],x[3]]},
> + v:=[x[0],x[1],x[2],x[3]]
> \end{verbatim}
> and the abbreviation {\tt M:=DFORM(R,v)}. Recall that indices of lists
> and vectors in FriCAS start with $1$, so one has to be careful:
> @@ -792,19 +792,19 @@
> \subsubsection{Sign of a metric $g$}
> Calculate the sign of a metric $g$.
> \begin{lstlisting}
> - s(g)
> + s(g)$M
> \end{lstlisting}
> %
> \subsubsection{Inverse Hodge star}
> Calculate the inverse Hodge star operator:
> \begin{lstlisting}
> - invHodgeStar(g,dx.1)
> + invHodgeStar(g,dx.1)$M
> \end{lstlisting}
> %
> \subsubsection{Hodge-Laplacian}
> Calculate the Hodge-Laplacian.
> \begin{lstlisting}
> - hodgeLaplacian(g,f*dx.1)
> + hodgeLaplacian(g,f*dx.1)$M
> \end{lstlisting}
> %
> \subsubsection{Projection}
>
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