User Portlet
| Discussions |
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| The code pp/.Line[x_]:>{Arrowheads[Table[.04, {4}]], Arrow[x]} targets the hidden internal structure of the output of `Plot` and `ParametricPlot`. Try Plot[x,{x,0,1}][[1]] you will see that it contains a Line primitive, which... |
| Thanks. I didn't know that you can do something like `Sin[k_ x]`. I always used to think like this`Sin[k_]`. |