3 files changed, 49 insertions, 109 deletions
diff --git a/book/module1/array.tex b/book/module1/array.tex
index c79c6c0..9482065 100644
--- a/book/module1/array.tex
+++ b/book/module1/array.tex
@@ -35,13 +35,7 @@ the value of the element as a property. In other words, if we were to
 analyze the stress concentration of an aluminum block, the property
 would be stress.
 
-\begin{itemize}
-\tightlist
-\item
-  From
-  \href{https://numpy.org/doc/2.2/user/absolute_beginners.html}{Numpy
-  documentation} \includegraphics{figures/multi-dimensional-array.gif}
-\end{itemize}
+\includegraphics{figures/multi-dimensional-array.png}
 
 If the load on this block changes over time, then we may want to add a
 4th dimension i.e.~additional sets of 3-D arrays for each time
@@ -197,7 +191,7 @@ recorded as a function of time.
 \begin{Highlighting}[]
 \NormalTok{thrust\_lbf }\OperatorTok{=}\NormalTok{ np.array(}\FloatTok{0.603355}\NormalTok{, }\FloatTok{2.019083}\NormalTok{, }\FloatTok{2.808092}\NormalTok{, }\FloatTok{4.054973}\NormalTok{, }\FloatTok{1.136618}\NormalTok{, }\FloatTok{0.943668}\NormalTok{)}
 
-\OperatorTok{\textgreater{}\textgreater{}\textgreater{}}\NormalTok{ thrust\_lbs[}\DecValTok{3}\NormalTok{]}
+\BuiltInTok{print}\NormalTok{(thrust\_lbs[}\DecValTok{3}\NormalTok{])}
 \end{Highlighting}
 \end{Shaded}
 
@@ -211,10 +205,7 @@ product - \texttt{np.matmul()} for matrix multiplication -
 \#\#\#\#\# Statistics - \texttt{np.mean()}, \texttt{np.median()},
 \texttt{np.std()}, \texttt{np.var()} - \texttt{np.min()},
 \texttt{np.max()}, \texttt{np.argmin()}, \texttt{np.argmax()} -
-Summation along axes: \texttt{np.sum(arr,\ axis=0)} \#\#\#\#\# Combining
-arrays - Concatenation: \texttt{np.concatenate((arr1,\ arr2),\ axis=0)}
-- Stacking: \texttt{np.vstack()}, \texttt{np.hstack()} - Splitting:
-\texttt{np.split()}
+Summation along axes: \texttt{np.sum(arr,\ axis=0)}
 
 \subsection{Exercise}\label{exercise}
 
@@ -256,9 +247,9 @@ point must be zero.
 
 \subparagraph{System of Equations:}\label{system-of-equations}
 
-\{RA+RB−10−15−20=05(10)+10(15)+15(20)−20RB=020RA−5(10)−10(15)−15(20)=0
-
+\[
 \begin{cases} R_A + R_B - 10 - 15 - 20 = 0 \\ 5(10) + 10(15) + 15(20) - 20 R_B = 0 \\ 20 R_A - 5(10) - 10(15) - 15(20) = 0 \end{cases}
+\]
 
 \subsubsection{Solution}\label{solution}
 
diff --git a/book/module1/jupyter_lab_notebook.tex b/book/module1/jupyter_lab_notebook.tex
index 5c06f5d..c08fd74 100644
--- a/book/module1/jupyter_lab_notebook.tex
+++ b/book/module1/jupyter_lab_notebook.tex
@@ -21,32 +21,6 @@ Terminal: \texttt{conda\ install\ conda-forge::jupyterlab}
 
 \subsection{Notebook Basics}\label{notebook-basics}
 
-\begin{itemize}
-\tightlist
-\item
-  Creating a new notebook (\texttt{.ipynb})
-\item
-  Types of cells:
-
-  \begin{itemize}
-  \tightlist
-  \item
-    Code
-  \item
-    Markdown
-  \item
-    Raw
-  \end{itemize}
-\item
-  Running a cell: \texttt{Shift\ +\ Enter}
-\item
-  Adding/removing cells
-\item
-  Restarting the kernel
-\item
-  Saving and auto-checkpoints
-\end{itemize}
-
 Jupyter Notebooks are files which allows you to combine \emph{Code} and
 \emph{Markdown} cells in one single document. The code cells, allow you
 to interactively run python code and print and plot data in your
@@ -100,7 +74,8 @@ affects the results of any cells that use that variable afterward ---
 but not any previously run results unless you rerun them too. Variables
 and imports persist in memory between cells, but only based on the
 current session state --- if you restart the kernel, you lose all
-previous definitions unless you re-run the necessary cells.
+previous definitions unless you re-run the necessary cells. Therefore,
+let's press the \texttt{Restart\ the\ kernel} button on the top window.3
 
 Because of this, it's best practice to; Run cells in order, restart the
 kernel and run all cells
@@ -109,85 +84,57 @@ everything works cleanly and predictably and lastly, initialize
 important variables or imports in early cells, so they are always
 defined before they are needed.
 
-\subsection{Writing and Running Code}\label{writing-and-running-code}
+\subsection{Making your document look good with
+Markdown}\label{making-your-document-look-good-with-markdown}
 
-\begin{itemize}
-\tightlist
-\item
-  Python syntax: - \texttt{print("Hello,\ world!")} - Variables and
-  functions - Loops and conditionals
-\item
-  Importing libraries: - \texttt{import\ numpy\ as\ np} -
-  \texttt{import\ pandas\ as\ pd} -
-  \texttt{import\ matplotlib.pyplot\ as\ plt}
-\end{itemize}
+Creating titles or headers is done with the hash symbol. The number of
+hashes determines whether it's a sub-title \texttt{\#}, \texttt{\#\#},
+\texttt{\#\#\#}
 
-\subsection{Using Markdown}\label{using-markdown}
+\subsubsection{Lists}\label{lists}
+
+There are two types of list in - Bullet lists: \texttt{-\ item} -
+Numbered lists: \texttt{1.\ item} \#\#\# Style - Emphasis:
+\emph{italic}, \textbf{bold}, \texttt{monospace} \#\#\# Mathematical
+Equation Markdown supports LaTeX format equations. Inline equation is
+opened and closed with a single \texttt{\$}. For a block math a double
+\texttt{\$\$} is used instead of single.
 
 \begin{itemize}
 \tightlist
 \item
-  Headers: \texttt{\#}, \texttt{\#\#}, \texttt{\#\#\#}
-\item
-  Bullet lists: \texttt{-\ item}
-\item
-  Numbered lists: \texttt{1.\ item}
-\item
-  Emphasis: \emph{italic}, \textbf{bold}, \texttt{monospace}
+  Inline: This equation is inline \texttt{\$E\ =\ mc\^{}2\$} in with the
+  markdown text.
 \item
-  LaTeX equations:
-
-  \begin{itemize}
-  \tightlist
-  \item
-    Inline: \texttt{\$E\ =\ mc\^{}2\$}
-  \item
-    Block:
-    \texttt{\$\$\textbackslash{}int\_0\^{}\textbackslash{}infty\ e\^{}\{-x\^{}2\}\ dx\ =\ \textbackslash{}frac\{\textbackslash{}sqrt\{\textbackslash{}pi\}\}\{2\}\$\$}
-  \end{itemize}
-\item
-  Embedding links and images
+  Block: Whilst this is a block:
+  \texttt{\$\$\textbackslash{}int\_0\^{}\textbackslash{}infty\ e\^{}\{-x\^{}2\}\ dx\ =\ \textbackslash{}frac\{\textbackslash{}sqrt\{\textbackslash{}pi\}\}\{2\}\$\$}
+  \#\#\# Links and images You can insert links to a different local file
+  or online urls like this: {[}Link{]}(file.md). I insert an image it's
+  the same however start with an exclamation mark \texttt{!} like this:
+  !{[}Image Caption{]}(picture.png)
 \end{itemize}
 
-\subsection{Interactive Widgets
-(optional)}\label{interactive-widgets-optional}
-
-Install \texttt{ipywidgets} from your package manager
-
-\begin{Shaded}
-\begin{Highlighting}[]
-\ImportTok{import}\NormalTok{ ipywidgets }\ImportTok{as}\NormalTok{ widgets}
-\NormalTok{widgets.IntSlider()}
-\end{Highlighting}
-\end{Shaded}
-
-Example using interact:
+\subsection{Exporting and Sharing}\label{exporting-and-sharing}
 
-\begin{Shaded}
-\begin{Highlighting}[]
-\ImportTok{from}\NormalTok{ ipywidgets }\ImportTok{import}\NormalTok{ interact}
-\NormalTok{interact(}\KeywordTok{lambda}\NormalTok{ x: x}\OperatorTok{**}\DecValTok{2}\NormalTok{, x}\OperatorTok{=}\DecValTok{5}\NormalTok{)}
-\end{Highlighting}
-\end{Shaded}
+To export your notebook go to
 
-\subsection{Exporting and Sharing}\label{exporting-and-sharing}
+\texttt{File} \textgreater{} \texttt{Download\ As}
 
-By default, jupyter auto-saves your notebooks as you work.
+You can then select these options.
 
 \begin{itemize}
 \tightlist
 \item
-  File \textgreater{} Download As:
-
-  \begin{itemize}
-  \tightlist
-  \item
-    Notebook (\texttt{.ipynb})
-  \item
-    HTML
-  \item
-    PDF (requires LaTeX)
-  \item
-    Markdown
-  \end{itemize}
+  Notebook (\texttt{.ipynb})
+\item
+  HTML
+\item
+  PDF (requires LaTeX)
+\item
+  Markdown
 \end{itemize}
+
+For homework assignments, download an HTML version of your document,
+then from your browser, save or print as a PDF. Alternatively, you can
+install the LaTeX typesetting system and export your document directly
+as PDF from jupyter.
diff --git a/book/module1/spyder_getting_started.tex b/book/module1/spyder_getting_started.tex
index 70a3d41..3133b15 100644
--- a/book/module1/spyder_getting_started.tex
+++ b/book/module1/spyder_getting_started.tex
@@ -86,9 +86,11 @@ computations, assign and modify variables.
 \item
   Display of Matplotlib graphics in Spyder's
   \href{https://docs.spyder-ide.org/5/panes/plots.html}{Plots} pane, if
-  the Inline backend is selected under Preferences ‣ IPython console ‣
-  Graphics ‣ Graphics backend, and inline in the console if Mute inline
-  plotting is unchecked under the Plots pane's options menu.
+  the Inline backend is selected under \texttt{Preferences}
+  \textgreater{} \texttt{IPython\ console} \textgreater{}
+  \texttt{Graphics} \textgreater{} \texttt{Graphics\ backend}, and
+  inline in the console if Mute inline plotting is unchecked under the
+  Plots pane's options menu.
 \end{itemize}
 
 \subsubsection{Variable Explorer}\label{variable-explorer}