LaTeX.org

Thank you Stefan,
I got this worked.


\begin{tikzpicture}[
vertex/.style = {circle, draw=black, fill=blue!30,
minimum size=1.2cm, font=\bfseries},
edge/.style = {thick},
weight/.style = {font=\small, fill=white, inner sep=1pt}
]


\node (A) [vertex, fill=green!50] at (0,2) {A};
\node (B ...

Hi Stefan,

when I remove tikzpicture, I am successfully able to see the pdf document.

Attached the .tex file.

Sorry. it took awhile to find the log file.

This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022) (preloaded format=pdflatex 2023.2.2) 15 MAR 2025 20:30
entering extended mode
restricted \write18 enabled.
%&-line parsing enabled.
**0-1_Knapsack.tex
(./0-1_Knapsack.tex
LaTeX2e <2022-11 ...

Hi Stefan,

I received the same error:
"Illegal parameter number in definition of \pgfkeyscurrentkey."

Thank you in advance,
Fatih

Hi Stefan,

"Illegal parameter number in definition of \pgfkeyscurrentkey." this is the error for the following tikz code:

\begin{tikzpicture}

\tikzset{
vertex/.style={circle, draw=black, fill=blue!30, minimum size=1.2cm, font=\bfseries},
edge/.style={thick},
weight/.style={font=\small, fill ...

Hello Stefan,
Thank you accepting me to the forum.

This code successfully:
\begin{tikzpicture}
% Define the nodes (vertices)
\node[circle, draw=blue, fill=blue!20, minimum size=15mm] (A) at (0, 0) {1};
\node[circle, draw=blue, fill=blue!20, minimum size=15mm] (B) at (4, 0) {2};
\node[circle ...

Hello,

I would like some help regarding the usage of tikz with lyx. When I have simple tikz code, it works fine. If the tikz code becomes a little complex suc as including tikzset, I do get error. What is the cause of this error? I put the required packages to the preamble.

Thank you in advance ...