Makefile

+# Directories for latex files and outputs
+LATEX_DIR := content/latex
+IMG_DIR := content/img
+
+# Get all .tex files in the LaTeX source directory
+TEX_FILES := $(wildcard $(LATEX_DIR)/*.tex)
+
+# Define target PDF, DVI and SVG files in the image output directory
+PDF_TARGETS := $(patsubst $(LATEX_DIR)/%.tex,$(IMG_DIR)/%.pdf,$(TEX_FILES))
+DVI_TARGETS := $(patsubst $(LATEX_DIR)/%.tex,$(IMG_DIR)/%.dvi,$(TEX_FILES))
+SVG_TARGETS := $(patsubst $(LATEX_DIR)/%.tex,$(IMG_DIR)/%.svg,$(TEX_FILES))
+
+# Default removal command for Unix-like systems
+RMDEL = rm -f
+# Default command to create the output directory if it doesn't exist for Unix-like systems
+MKDIR_IMG = mkdir -p $(IMG_DIR)
+# Default command to delete all PDFs and SVGs to which a .tex file belongs
+RM_CLEAN = \
+    @for texfile in $(TEX_FILES); do \
+        filename=$$(basename $$texfile .tex); \
+        pdf="$(IMG_DIR)/$$filename.pdf"; \
+        svg="$(IMG_DIR)/$$filename.svg"; \
+        [ -f "$$pdf" ] && $(RMDEL) "$$pdf"; \
+        [ -f "$$svg" ] && $(RMDEL) "$$svg"; \
+    done
+
+# Generated files to clean up
+AUX_FILES = $(IMG_DIR)/*.aux
+LOG_FILES = $(IMG_DIR)/*.log
+PDF_FILES = $(IMG_DIR)/*.pdf
+DVI_FILES = $(IMG_DIR)/*.dvi
+SVG_FILES = $(IMG_DIR)/*.svg
+
+# Windows-specific settings: commands and backslash path separator
+ifeq ($(OS),Windows_NT)
+    RMDEL = del /Q
+    MKDIR_IMG = if not exist $(subst /,\,$(IMG_DIR)) mkdir $(subst /,\,$(IMG_DIR))
+    RM_CLEAN = \
+        @for %%f in ($(TEX_FILES)) do ( \
+            if exist "$(IMG_DIR)\%%~nf.pdf" $(RMDEL) "$(IMG_DIR)\%%~nf.pdf" & \
+            if exist "$(IMG_DIR)\%%~nf.svg" $(RMDEL) "$(IMG_DIR)\%%~nf.svg" )
+    AUX_FILES = $(subst /,\\,$(IMG_DIR))\\*.aux
+    LOG_FILES = $(subst /,\\,$(IMG_DIR))\\*.log
+    DVI_FILES = $(subst /,\\,$(IMG_DIR))\\*.dvi
+    SVG_FILES = $(subst /,\\,$(IMG_DIR))\\*.svg
+    PDF_FILES = $(subst /,\\,$(IMG_DIR))\\*.pdf
+endif
+
+.PHONY: all preview clean clean-temp clean-dvi
+
+# Default target: build all PDFs and SVGs, then clean .aux and .log files and run quarto render
+all: $(PDF_TARGETS) $(SVG_TARGETS)
+	-@$(RMDEL) $(AUX_FILES)
+	-@$(RMDEL) $(LOG_FILES)
+	quarto render --to all
+
+# Rule to live-preview the script in the browser
+preview: $(PDF_TARGETS) $(SVG_TARGETS)
+	quarto preview index.qmd
+
+# Rule to build PDFs: run pdflatex with output to IMG_DIR
+$(IMG_DIR)/%.pdf: $(LATEX_DIR)/%.tex | $(IMG_DIR)
+	pdflatex -output-directory=$(IMG_DIR) $<
+
+# Rule to build DVI files: run latex with output to IMG_DIR
+$(IMG_DIR)/%.dvi: $(LATEX_DIR)/%.tex | $(IMG_DIR)
+	latex -output-directory=$(IMG_DIR) $<
+
+# Rule to build SVG files from DVI files: run dvisvgm
+$(IMG_DIR)/%.svg: $(IMG_DIR)/%.dvi
+	dvisvgm --no-fonts -o $@ $<
+
+# Ensure output directory exists before building targets that depend on it
+$(IMG_DIR):
+	$(MKDIR_IMG)
+
+# Clean only final output files (SVGs and PDFs)
+clean:
+	$(RM_CLEAN)
+
+# Clean auxiliary files generated during LaTeX compilation
+clean-temp:
+	-@$(RMDEL) $(AUX_FILES)
+	-@$(RMDEL) $(LOG_FILES)
+
+# Clean intermediate DVI files
+clean-dvi:
+	-@$(RMDEL) $(DVI_FILES)

README.md

 # Introduction to Quantum Computing - Lecture notes
 
 Lecture note for the lecture "Introduction to Quantum Computing" by Dominique Unruh at RWTH Aachen.
+
+
+## Installation guide
+
+This guide is for VS Code. There may be other extensions for other development environments.
+
+### 1. Install Quarto  
+Download and install Quarto from the official website:  
+<https://quarto.org/docs/get-started/>
+
+### 2. Install the VS Code extension  
+Install the Quarto Extension for Visual Studio Code:  
+https://quarto.org/docs/get-started/  
+You can also find it in the Extensions tab by searching for `"Quarto"`.
+
+### 3. Preview the script  
+To live-preview the project, use the following command in your terminal:  
+`"make preview"`  
+This will open your browser.
+
+### 4. Render the script
+To render the entire project to .pdf and .html use:  
+`"make"`  
+The output will be generated in the _book folder.
+
+### 5. Add pictures to the lecture notes
+Not all LaTeX packages are supported for output as HTML, so graphics and similar elements created with LaTeX must be included via external files. For HTML, the preferred format is **SVG** and for PDF documents, it is **PDF**. 
+
+The easiest way is to create LaTeX files in the `content/latex` folder. These are automatically converted to SVG and PDF by **make**.
+The resulting files can then be integrated using:  
+`"![Figure description](img/filename){width=xxx%}"` 
+
+**Important:**  
+The SVGs and PDFs have the same name as the LaTeX files, and no file extension should be specified when including them.
+
+
+## Project structure 
+
+The main components of the project are:
+
+### `_quarto.yml`
+This is the main configuration file for your project. It contains:
+- **Title**, **authors**, **output formats** and other metadata
+- The **structure** of the script is under the `chapters:` section
+
+You can **toggle chapter visibility** by commenting/uncommenting lines using `#`. This is useful for revealing content gradually throughout the semester.
+
+### `index.qmd`
+This file contains the **introduction** of the script.  
+It must be located in the same directory as the `quarto.yml` file.
+
+### `Makefile`
+Generates all the required images and the lecture notes from them, regardless of the operating system. 
+The Makefile is explained with comments.
+
+### `content/`
+This folder contains all the **chapters** of the script, as individual `.qmd` files.
+
+### `content/img/`
+Subfolder that contains all **images** and **pdfs** used throughout the script.
+
+### `content/latex/`
+Subfolder that contains all **tex-files** for creating some PDFs and SVGs. Unfortunately, not all latex files are available anymore.
+
+### `_extensions/`
+This folder includes any **custom Quarto extensions** that add functionality or styling to your project.
+
+### `_book/`
+This is the **output folder** generated by Quarto after rendering.  
+It contains the final script in the formats **HTML** and **PDF**.

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