Folgender Code erlaubt nur Werte für n von ca. -110,-109,...,110. Wie könnte ich die Folge für größere Werte plotten, etwa von -2000 bis 2000?

alt text

Öffne in Overleaf
Code, hier editierbar zum Übersetzen:
\documentclass[tikz, border=3mm]{standalone}
%\documentclass{article}
\usepackage[ngerman]{babel}
\usepackage{amsmath}
\usepackage{tikz}
\usetikzlibrary{plotmarks}
\begin{document}
\begin{tikzpicture}[
x=3cm, y=3cm, scale=0.75,
font=\footnotesize,
>=latex,
]
% Gitternetzlinien
\draw[help lines] (-1.5,-1.5) grid (1.5,1.5);
% x-Achse
\draw[->] (-1.5,0) -- (1.5,0) node[below] {Re$$};
%Zahlen auf x-Achse
\foreach \x in {-1,1,}
\draw[shift={(\x,0)},color=black] (0pt,2pt) -- (0pt,-2pt) node[below] {$\x$};
% y-Achse
\draw[->] (0,-1.5) -- (0,1.5) node[left] {Im$$};%node[above left]
%Zahlen auf y-Achse
\foreach \y in {-1,1}
\draw[shift={(0,\y)},color=black] (2pt,0pt) -- (-2pt,0pt) node[left] {$\y$};
%Ursprung
\node[below left] {$0$};
%%%%%%%%%%%%%%%%
%Folge/Dotplot%%
%%%%%%%%%%%%%%%%
\def\nMin{-99}
\def\nMax{-\nMin}
\foreach \n in {\nMin,...,\nMax}{%====================
\draw[->,thin] plot[mark=*, mark options={color=red, fill=white}, mark size=1.75pt]
coordinates{
 
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gefragt 11 Dez '17, 00:56

cis's gravatar image

cis
9.5k96460491
Akzeptiert-Rate: 29%

bearbeitet 11 Dez '17, 00:57

1

Re$$, Im$$? Mich wundert fast, dass da nicht alles in die Luft fliegt.

(11 Dez '17, 04:59) Henri

Da stößt der pgf-Matheparser an seine Grenzen. Mit \fpeval geht's noch.

Öffne in Overleaf
Code, hier editierbar zum Übersetzen:
\documentclass{article}
\usepackage[ngerman]{babel}
\usepackage{amsmath}
\usepackage{tikz}
\usepackage{xfp}
\usetikzlibrary{plotmarks}
\begin{document}
\begin{tikzpicture}[
x=3cm, y=3cm, scale=0.75,
font=\footnotesize,
>=latex,
]
% Gitternetzlinien
\draw[help lines] (-1.5,-1.5) grid (1.5,1.5);
% x-Achse
\draw[->] (-1.5,0) -- (1.5,0) node[below] {Re};
%Zahlen auf x-Achse
\foreach \x in {-1,1,}
\draw[shift={(\x,0)},color=black] (0pt,2pt) -- (0pt,-2pt) node[below] {$\x$};
% y-Achse
\draw[->] (0,-1.5) -- (0,1.5) node[left] {Im};%node[above left]
%Zahlen auf y-Achse
\foreach \y in {-1,1}
\draw[shift={(0,\y)},color=black] (2pt,0pt) -- (-2pt,0pt) node[left] {$\y$};
%Ursprung
\node[below left] {$0$};
%%%%%%%%%%%%%%%%
%Folge/Dotplot%%
%%%%%%%%%%%%%%%%
\def\nMax{2000}
\def\nMin{-\nMax}
\foreach \n in {\nMin,...,\nMax}{%====================
\draw[->,thin] plot[mark=*, mark options={color=red, fill=white}, mark size=1.75pt]
coordinates{
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Braucht allerdings ganz schön lang.

real 0m23.166s
user 0m23.156s
sys 0m0.008s
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Wenn du nicht ganz so lang warten möchtest, dann nimm statt \usepackage{xfp}

Öffne in Overleaf
Code, hier editierbar zum Übersetzen:
\directlua{
cos = math.cos
sin = math.sin
}
\def\fpeval#1{\directlua{tex.sprint(#1)}}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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real 0m16.415s
user 0m16.324s
sys 0m0.048s
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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alt text

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beantwortet 11 Dez '17, 04:50

Henri's gravatar image

Henri
15.7k133943
Akzeptiert-Rate: 46%

bearbeitet 11 Dez '17, 04:51

Ah, sehr gut.

(11 Dez '17, 15:26) cis
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