File:Entscheidungsbaum zur Konvergenz und Divergenz von Reihen.svg
Original file (SVG file, nominally 879 × 1,645 pixels, file size: 208 KB)
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Summary[edit]
DescriptionEntscheidungsbaum zur Konvergenz und Divergenz von Reihen.svg |
Deutsch: Entscheidungsbaum zur Konvergenz und Divergenz von Reihen |
Date | |
Source | Own work |
Author | Stephan Kulla (User:Stephan Kulla) |
Source code[edit]
\documentclass[12pt,border=10pt]{standalone}
\usepackage[latin1]{inputenc}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{tikz}
\usetikzlibrary{shapes,arrows,positioning}
\everymath{\displaystyle}
\newcommand*{\N}{\mathbb N}
\begin{document}
\tikzstyle{decision} = [rectangle, draw, fill=yellow!20,
text centered, rounded corners]
\tikzstyle{label} = [text width = 3cm]
\tikzstyle{block} = [rectangle, draw, fill=blue!20,
text centered, rounded corners]
\tikzstyle{convergence} = [rectangle, draw, fill=green!20,
node distance=8cm, text centered, rounded corners]
\tikzstyle{divergence} = [rectangle, draw, fill=red!20,
node distance=8cm, text centered, rounded corners]
\tikzstyle{line} = [-stealth, thick, draw]
\begin{tikzpicture}[node distance=5cm, auto, text width=6cm]
\node [block] (init) {\emph{Ausgangsfrage:} Ist die Reihe $\sum_{k=1}^\infty a_k$ konvergent oder divergent?};
\node [decision, below of=init,node distance=3.5cm] (questiontrivialkriterium) {Ist $(a_k)_{k\in\N}$ eine Nullfolge?};
\node [divergence, right of=questiontrivialkriterium, node distance=9cm] (trivialkriterium) {$\sum_{k=1}^\infty a_k$ divergiert nach dem Trivialkriterium};
\node [decision, below of=questiontrivialkriterium] (leibniz_question) {Ist $(a_k)_{k\in\N}$ alternierend, also von der Form $a_k=(-1)^k b_k$ oder $a_k=(-1)^{k+1} b_k$?};
\node [decision, right of=leibniz_question, node distance=9cm] (leibniz_case) {Ist $(b_k)_{k\in\N}$ eine monotone Nullfolge?};
\node [convergence, right of=leibniz_case] (leibniz_yes) {$\sum_{k=1}^\infty a_k$ konvergiert nach dem Leibniz-Kriterium};
\node [decision, below of=leibniz_question] (question_ratio_test) {Ist $a_k$ ein Quotient der Form $a_k = \tfrac{b_k}{c_k}$? Kann Konvergenz von $\left(\left|\tfrac{a_{k+1}}{a_k}\right|\right)_{k\in\N}$ bestimmt werden?};
\node [decision, right of=question_ratio_test, node distance=9cm] (rtcase1) {Ist $\lim_{k\to\infty} \left|\tfrac{a_{k+1}}{a_k}\right| < 1$?};
\node [decision, below of=rtcase1] (rtcase2) {Ist $\lim_{k\to\infty} \left|\tfrac{a_{k+1}}{a_k}\right| > 1$?};
\node [convergence, right of=rtcase1] (ratio_yes) {$\sum_{k=1}^\infty a_k$ konvergiert absolut nach dem Quotientenkriterium};
\node [divergence, right of=rtcase2] (ratio_no) {$\sum_{k=1}^\infty a_k$ divergiert nach dem Quotientenkriterium};
\node [decision, below of=rtcase2] (rootcase1) {Ist $\limsup_{k\to\infty} \sqrt[k]{|a_k|} < 1$?};
\node [decision, left of=rootcase1, node distance=9cm] (question_root_test) {Ist $a_k$ eine Potenz wie $a_k = b_k^k$ oder $a_k = c_k^{\left(k^2\right)}$? Kann $\limsup_{k\to\infty}\sqrt[k]{|a_k|}$ bestimmt werden?};
\node [decision, below of=rootcase1] (rootcase2) {Ist $\limsup_{k\to\infty} \sqrt[k]{|a_k|} > 1$?};
\node [convergence, right of=rootcase1] (root_yes) {$\sum_{k=1}^\infty a_k$ konvergiert absolut nach dem Wurzelkriterium};
\node [divergence, right of=rootcase2] (root_no) {$\sum_{k=1}^\infty a_k$ divergiert nach dem Wurzelkriterium};
\node [convergence, below of=rootcase2, node distance=4.5cm] (major_yes) {$\sum_{k=1}^\infty a_k$ konvergiert absolut nach dem Majorantenkriterium};
\node [decision, left of=major_yes, node distance=9cm] (majorcase) {Gibt es eine konvergente Reihe $\sum_{k=1}^\infty c_k$ mit $|a_k|\le c_k$ für alle $k\in\N$?};
\node [decision, below of=majorcase,node distance=5.5cm] (minorcase) {Gibt es eine divergente Reihe $\sum_{k=1}^\infty c_k$ mit $a_k\ge c_k\ge 0$ für alle $k\in\N$?};
\node [divergence, right of=minorcase, node distance=9cm] (minor_no) {$\sum_{k=1}^\infty a_k$ divergiert nach dem Minorantenkriterium};
\node [block, below of=minorcase,node distance=4.5cm] (end) {Andere Konvergenzkriterien ausprobieren: \\ Integralkriterium, Verdichtungskriterium, Cauchy-Kriterium, oder Beschränktheit der Partialsummen};
\path [line] (init) edge (questiontrivialkriterium);
\path [line] (questiontrivialkriterium) -- node [xshift=3cm]{Nein} (trivialkriterium);
\path [line] (questiontrivialkriterium) -- node [label] {Ja oder nicht feststellbar} (leibniz_question);
\path [line] (leibniz_question) -- node [xshift=3cm]{Ja} (leibniz_case);
\path [line] (leibniz_case) -- node [xshift=3cm]{Ja} (leibniz_yes);
\path [line] (leibniz_question) -- node [label] { Nein } (question_ratio_test);
\path [line] (leibniz_case) -- node [label] { Nein oder nicht feststellbar} (question_ratio_test);
\path [line] (question_ratio_test) -- node [xshift=3cm] {Ja} (rtcase1);
\path [line] (rtcase1) -- node {Nein} (rtcase2);
\path [line] (rootcase1) -- node {Nein} (rootcase2);
\path [line] (question_ratio_test) -- node [label] { Nein oder nicht feststellbar} (question_root_test);
\path [line] (rtcase2) -- node [label] { Nein } (question_root_test);
\path [line] (rtcase1) -- node [xshift=3cm]{Ja} (ratio_yes);
\path [line] (rtcase2) -- node [xshift=3cm]{Ja} (ratio_no);
\path [line] (rootcase1) -- node [xshift=3cm]{Ja} (root_yes);
\path [line] (rootcase2) -- node [xshift=3cm]{Ja} (root_no);
\path [line] (question_root_test) -- node [label] { Nein oder nicht feststellbar} (majorcase);
\path [line] (rootcase2) -- node {Nein} (majorcase);
\path [line] (question_root_test) -- node [xshift=3cm]{Ja} (rootcase1);
\path [line] (majorcase) -- node [label] { Nein oder nicht feststellbar} (minorcase);
\path [line] (minorcase) -- node [label] { Nein oder nicht feststellbar} (end);
\path [line] (majorcase) -- node [xshift=3cm]{Ja} (major_yes);
\path [line] (minorcase) -- node [xshift=3cm]{Ja} (minor_no);
\end{tikzpicture}
\end{document}
Licensing[edit]
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 17:09, 1 June 2017 | 879 × 1,645 (208 KB) | Stephan Kulla (talk | contribs) | Version updated | |
22:40, 29 December 2016 | 879 × 1,663 (353 KB) | Who2010 (talk | contribs) | corrected and modified | ||
23:03, 22 October 2016 | 879 × 1,609 (150 KB) | Stephan Kulla (talk | contribs) | fix mistake | ||
13:04, 22 October 2016 | 879 × 1,609 (150 KB) | Stephan Kulla (talk | contribs) | add --no-font to dvisvgm | ||
13:00, 22 October 2016 | 879 × 1,609 (87 KB) | Stephan Kulla (talk | contribs) | User created page with UploadWizard |
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Height | 1316.348pt |