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\documentclass[tikz,border=13mm]{standalone}
\usetikzlibrary{arrows.meta,decorations.markings}
\usetikzlibrary{calc}
%\pgfplotsset{ticks=none}
\usepackage{pgfplots}
\pgfplotsset{compat=1.16}
\begin{document}
\begin{tikzpicture}[>=stealth,declare function={f(\x)=\x^3/3-\x;}]
\begin{axis}[name ...

You installation is not up-to-date. It is a mixed version installation. For example the used format is very old LaTeX 2017-04-15, but several packages are new. Please try an update using the admin-mode of the MiKTeX console and afterwards another update using the user-mode of the MiKTeX console ...

Thanks. I have updated Miktex. The problem increases. The console output of texworks is given below.


This is pdfTeX, Version 3.141592653-2.6-1.40.23 (MiKTeX 21.10 32-bit)

Sorry, but pdflatex did not succeed.

The log file hopefully contains the information to get MiKTeX going again:

C:\Users ...

Here it is running fine. But in my system it is not running. I have attached the log file and pdf file obtained after running in my system.


Error


pgfsys.code.tex
17
Undefined control sequence.
\pgfkeyssetevalue ...pandafter {\pgfkeys@expanded
{#2}}}
l.17 \pgfkeys{/pgf/.is family}
everyshi-2001 ...

I got no error in my older PC but getting error in my new laptop. Don't know why?

\documentclass[10pt]{article}
\topmargin -.2in \textwidth 6.7in \textheight 9.in
\addtolength{\oddsidemargin}{-1.0in} \addtolength{\topmargin}{0.1in}
\addtolength{\evensidemargin}{-.9in}
\usepackage[caption = false ...

I want to get the trajectory curve of the system:
$dx/dt = x(1-x-\alpha_{12}*y)$ and
$dy/dt = \rho*y*(1-y-\alpha_{21}*x)$

for some initial (x(0), y(0))=(0.1, 0.1)

\documentclass[border=10pt]{standalone}
\usepackage{pst-plot,pst-ode}
\begin{document}

\psset{unit=3}
\begin{pspicture}(-0.2,-0.2 ...

I want to get a trajectory of a 3D model attached herewith with the help of pst-ode-doc.pdf

\pstVerb{
/alpha 10 def
/beta 28 def
/gamma 8 3 div def
}
\pstODEsolve[algebraic]{lorenzXYZ}{0 1 2}{0}{25}{2501}{10 10 30}{
alpha*(x[1]-x[0]) |
x[0]*(beta-x[2]) - x[1] |
x[0]*x[1] - gamma*x[2 ...

I have used order symbol. The bar is not coming in the pdf file.


\documentclass{article}
\usepackage{mathtools}
\usepackage{siunitx}

\DeclarePairedDelimiterXPP\BigOSI[2]%
{\mathcal{O}}{(}{)}{}%
{\SI{#1}{#2}}

\begin{document}


\begin{align}
X&=x+\BigOSI{}{\epsilon^{3/2}}\\
Y&=y+\BigOSI ...

I just update the miktex2.9. I am using Texniccenter 2.02 (sable 32 bit). I am getting an error for running any tex file. The error is I couldn't open file 'filename.aux'.



Uninstall, restart pc and reinstall Texniccenter do not help. What to do?

I am very weak in latex. I want to use one bib file and using it I want to get references at the end of a each chapter of a book. I have tried a lot, used chapterbib package for that. But the citations are showing as question mark.

\documentclass{book}
\usepackage[sectionbib]{chapterbib}
\begin ...