So beheben Sie den Plotfehler „Paket pgfplots Warnung: Der Achsenbereich für die y-Achse ist ungefähr leer; vergrößern Sie ihn (er beträgt [0,0:0,0])“

Question

Ich habe zum Beispiel eine CSV-Datei

x,y
0.0,0.0
0.01,0.00010774053043701307
0.02,0.00010774053043701307
0.03,0.00010774053043701307
0.04,0.00010774053043701307
0.05,0.00010774053043701307
0.06,0.00010774053043701307
0.07,0.00014664493119403256
0.08,0.0001915333704067139
0.09,0.00024240531068915437
0.1,0.0002992601430234413
0.11,0.0003620971867669429
0.12,0.00043091568966045687
0.13,0.0005057148278372159
0.14,0.0005864937058327506
0.15,0.0006732513565956097
0.16,0.0007659867414989382
0.17,0.000864698750352909
0.18,0.0009693862014180162
0.19,0.001080047841419221
0.2,0.0011966823455609558
0.21,0.0013192883175429826
0.22,0.0014478642895771137
0.23,0.0015824087224047762
0.24,0.0017229200053154453
0.25,0.0018693964561659246
0.26,0.0020218363214004856
0.27,0.0021802377760718568
0.28,0.002344598923863077
0.29,0.002514917797110189
0.3,0.002691192356825808
0.31,0.002873420492723518
0.32,0.003061600023243144
0.33,0.0032557286955768663
0.34,0.0034558041856961887
0.35000000000000003,0.003661824098379764
0.36,0.003873785967242066
0.37,0.004091687254762918
0.38,0.0043155253523178665
0.39,0.004545297580209419
0.4,0.004781001187699114
0.41000000000000003,0.005022633353040461
0.42,0.00527019118351271
0.43,0.005523671715455502
0.44,0.005783071914304324
0.45,0.006048388674626854
0.46,0.006319618820160134
0.47000000000000003,0.00659675910384859
0.48,0.006879806207882916
0.49,0.007168756743739781
0.5,0.007463607252222396
0.51,0.00776435420350194
0.52,0.008070993997159806
0.53,0.008383522962230694
0.54,0.008701937357246585
0.55,0.009026233370281507
0.56,0.009356407118997188
0.5700000000000001,0.009692454650689514
0.58,0.010034371942335868
0.59,0.010382154900643294
0.6,0.010735799362097478
0.61,0.011095301093012606
0.62,0.011460655789582054
0.63,0.011831859077929897
0.64,0.012208906514163285
0.65,0.012591793584425626
0.66,0.012980515704950653
0.67,0.013375068222117262
0.68,0.01377544641250525
0.6900000000000001,0.014181645482951866
0.7000000000000001,0.014593660570609158
0.71,0.015011486743002225
0.72,0.015435118998088259
0.73,0.01586455226431641
0.74,0.016299781400688516
0.75,0.016740801196820643
0.76,0.01718760637300547
0.77,0.0176401915802755
0.78,0.01809855140046705
0.79,0.018562680346285172
0.8,0.01903257286136933
0.81,0.019508223320359907
0.8200000000000001,0.01998962602896554
0.8300000000000001,0.020476775224031313
0.84,0.020969665073607736
0.85,0.02146828967702059
0.86,0.021972643064941514
0.87,0.022482719199459513
0.88,0.022998511974153237
0.89,0.023520015214164046
0.9,0.024047222676270005
0.91,0.024580128048960533
0.92,0.025118724952512047
0.93,0.025663006939064294
0.9400000000000001,0.026212967492697525
0.9500000000000001,0.026768600029510575
0.96,0.027329897897699563
0.97,0.02789685437763767
0.98,0.028469462681955465
0.99,0.029047715955622184
1.0,0.029631607276027882
1.01,0.029631607276027882
1.02,0.03022111353087026
1.03,0.03081619467761404
1.04,0.03141681742042154
.
.
.
4.900000000000003,0.7831223904577598
4.910000000000004,0.7971864038672304
4.9200000000000035,0.8116110293974611
4.930000000000003,0.8264066223751712
4.940000000000003,0.8415838659569086
4.950000000000004,0.8571537823360351
4.9600000000000035,0.8731277443569787
4.970000000000003,0.8895174875523898
4.980000000000003,0.9063351226194677
4.990000000000004,0.9235931483523778
5.0000000000000036,0.9413044650483672
5.010000000000003,0.9594823884058965
5.020000000000003,0.9781406639338477
5.030000000000003,0.9972934818916466
5.040000000000004,1.016955492780938
5.050000000000003,1.037141823410302
5.060000000000003,1.0578680935553668
5.070000000000004,1.0791504332375965
5.080000000000004,1.1010055006459807
5.090000000000003,1.1234505007268458
5.100000000000003,1.1465032044680505
5.110000000000003,1.1701819689049002
5.120000000000004,1.1945057578762506
5.1300000000000034,1.2194941635604382
5.140000000000003,1.24516742882191
5.150000000000004,1.271546470400699
5.160000000000004,1.2986529029782243
5.1700000000000035,1.3265090641542931
5.180000000000003,1.355138040371629
5.190000000000003,1.3845636938257693
5.200000000000004,1.4148106903997526

und ich versuche, Daten aus dieser Datei zu plotten

\documentclass[12pt,a4paper,report]{extarticle}
\usepackage[english]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T2A]{fontenc}
\usepackage{indentfirst}
\usepackage{listings}
\usepackage{color} %red, green, blue, yellow, cyan, magenta, black, white
\setlength\parindent{5ex}
\usepackage{tikz}
\usepackage{amsmath}
\usepackage{cool}
\usepackage{mathtools}
\usepackage{graphicx}
\graphicspath{ {./images/} }
\usepackage{setspace}
\usepackage{xspace}
\usepackage[left=3cm,right=1.5cm, top=1.5cm,bottom=1.5cm,bindingoffset=0cm, footskip=-40pt]{geometry}
\usepackage{caption}
\usepackage{algorithm}
\usepackage{algorithmicx}
\usepackage{algpseudocode}
\usepackage{tabularray} 
\usepackage{varwidth}
\usepackage{filecontents}
\usepackage{pgfplots}
\usepackage{pgfplotstable}
\pgfplotsset{compat=1.17}

\usepackage{tcolorbox}

\renewcommand{\labelenumii}{\arabic{enumi}.\arabic{enumii}}
\renewcommand{\labelenumiii}{\arabic{enumi}.\arabic{enumii}.\arabic{enumiii}}
\renewcommand{\labelenumiv}{\arabic{enumi}.\arabic{enumii}.\arabic{enumiii}.\arabic{enumiv}}
\setlength{\parindent}{1.25cm}
\linespread{1.15}
%\setlength{\parskip}{6pt}
\setcounter{page}{2}
\usepackage{enumitem}
\setlist{noitemsep}
\thispagestyle{empty}
\onehalfspacing

\newtheorem{definition}{Определение}[section]
\newtheorem{theorem}{Теорема}[section]

\pgfplotsset{width=10cm,compat=1.17}


\begin{document}
begin{figure}[h]
\centering
\begin{tikzpicture}
\pgfplotstableread[col sep=comma]{solution_a=5_n=1.csv}\datatable
\begin{axis}
[
xmin=0, xmax=5.12,
ymin=0, ymax=1.25,
    ytick distance = 5,
    grid = both,
    minor tick num = 1,
    major grid style = {lightgray},
    minor grid style = {lightgray!25},
    legend style={draw=none, fill=none},
    axis lines = left,
    xlabel = {$x$},
    ylabel = {$|\psi|^{2}_{n=3}(x)$},
    ylabel style={rotate=-90},
xtick={0, 1,2,3,4,5},
ytick={0, 0.2, 0.4;  0.6;  0.8;  1.0; 1.2},
x tick label style= {rotate=0,anchor=north}
]
\addplot [blue,thick] table [x=x, y=y] {\datatable};
\addlegendentry{$|\psi|^{2}_{n=3}(x)$}
\end{axis}
\end{tikzpicture}
\vspace{-0.3 cm}
\caption{Probability $|\psi|^{2}_{n=3}(x)$ при $a = -5$}\label{fig:myplot}
\end{figure}

\end{document}

Und ich erhalte die Fehlermeldung:

Package pgfplots Warning: Axis range for axis y is approximately empty; enlargi
ng it (it is [0.0:0.0]) on input line 464.

! Missing number, treated as zero.
<to be read again> 
                   i
l.464 \end{axis}

Ich versuche, XPF zu verwenden, aber in diesem Fall funktioniert es nicht. Wie zeichne ich dieses Diagramm?

Answer 1

Mit Ihrem Code erhalte ich die Warnung nicht (es ist eine Warnung, kein Fehler).

Ihre Nachrichtenwarnung enthältPaket pgfplots Warnung: (...) in Eingabezeile 464., aber Ihr Code hat nicht 464 (oder mehr) Zeilen (nur 80 Zeilen).

Wenn ich Ihre Datei mit dem Namen erstelle solution_a=5_n=1.csv(und die 3 Zeilen mit nur "." anstelle von zwei durch Kommas getrennten Zahlen lösche, siehe den Auszug unten)

1.03,0.03081619467761404
1.04,0.03141681742042154
.
.
.
4.900000000000003,0.7831223904577598
4.910000000000004,0.7971864038672304

oder wenn ich ergänze:

\begin{filecontents}{solution_a=5_n=1.csv}
x,y
0.0,0.0
0.01,0.00010774053043701307
(continue)
5.190000000000003,1.3845636938257693
5.200000000000004,1.4148106903997526
\end{filecontents}

in der Präambel (beachten Sie, dass dies \usepackage{filecontents}in modernen LaTeX-Installationen nicht mehr erforderlich ist)

und ich korrigiere einige Tippfehler (in \begin{figure}[h]habe ich das fehlende hinzugefügt und nach Bedarf durch anstelle von \ersetzt ),ytick={0, 0.2, 0.4; 0.6; 0.8; 1.0; 1.2},ytick={0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2},,;

die Datei wird ohne Fehler kompiliert:

Mit dem von Ihnen bereitgestellten Code und den von mir genannten Korrekturen ist die Warnung also verschwunden (die Darstellung entspricht jedoch nicht Ihren Erwartungen, da die Koordinaten von x=1,04 bis x=4,90 fehlen und die Lücke daher durch eine gerade Linie begrenzt wird).

Es gibt außerdem noch eine weitere Warnung mit dem von Ihnen angegebenen Code:LaTeX-Warnung: Unbenutzte globale Option(en): [melden].Es ist das reportin \documentclass[12pt,a4paper,report]{extarticle}. Ich kenne diese globale Option nicht, welches Paket sie verwendet.

Schauen Sie sich auch anpgfplots-Balkendiagramm: einzelne symbolische x-Koordinate ergibt „! Warnung zum Paket pgfplots: Der Achsenbereich für die x-Achse ist annähernd leer; ich werde ihn vergrößern.“.