Added matrix norms notebook

.gitignore

@@ -5,3 +5,4 @@
 __pycache__
 *pyc
 tests/output/
+uv.lock

.python-version

@@ -0,0 +1 @@
+3.10

CHANGELOG.md

@@ -1,56 +1,56 @@
-## [1.5.0] - 2026-04-15
-
-### Added
-
-- 2nd and `p` matrix norms
-
-### Removed
-
-- `autopep8` from `pre-commit` config
-
-## [1.4.0] - 2026-03-31
-
-### Added
-
-- LU decomposition
-
-## [1.3.0] - 2026-03-20
-
-### Added
-
-- Matrix multiplication report
-
-### Fixed
-
-- `md` report generation - images and code blocks
-
-## [1.2.0] - 2026-03-19
-
-### Added
-
-- Strassen matrix multiplication algorithm
-
-## [1.1.0] - 2026-03-18
-
-### Added
-
-- automated report generation
-
-## [1.0.0] - 2026-03-18
-
-### Added
-
-- standard matrix multiplication algorithm
-- CI
-
-## Fixed
-
-- python version in `pre-commit` config
-
-## [0.0.1] - 2026-03-18
-
-### Added
-
-- [pre-commit](https://pre-commit.com/)
-- setup script
-- changelog
+## [1.5.0] - 2026-04-15
+
+### Added
+
+- 2nd and `p` matrix norms
+
+### Removed
+
+- `autopep8` from `pre-commit` config
+
+## [1.4.0] - 2026-03-31
+
+### Added
+
+- LU decomposition
+
+## [1.3.0] - 2026-03-20
+
+### Added
+
+- Matrix multiplication report
+
+### Fixed
+
+- `md` report generation - images and code blocks
+
+## [1.2.0] - 2026-03-19
+
+### Added
+
+- Strassen matrix multiplication algorithm
+
+## [1.1.0] - 2026-03-18
+
+### Added
+
+- automated report generation
+
+## [1.0.0] - 2026-03-18
+
+### Added
+
+- standard matrix multiplication algorithm
+- CI
+
+## Fixed
+
+- python version in `pre-commit` config
+
+## [0.0.1] - 2026-03-18
+
+### Added
+
+- [pre-commit](https://pre-commit.com/)
+- setup script
+- changelog

README.md

@@ -29,6 +29,15 @@ To export notebooks to PDF files use:
 ./convert_notebooks.py --notebooks_dir ./notebooks
 ```
 
+If you want to force rerender of all notebooks use `--force` flag.
+
+If you work on WSL, you must have installed chromium and it's dependencies on your subsystem.
+You can install them using python `playwright' package:
+
+```bash
+source ./.venv/bin/activate && playwright install chromium && playwright install-deps chromium
+```
+
 ## Implemented Algorithms
 
 ### Matrix multiplication

convert_notebooks.py

@@ -5,46 +5,51 @@
 from pathlib import Path
 
 import nbformat
-from nbconvert import HTMLExporter
-from weasyprint import HTML
+from nbconvert import WebPDFExporter
 
 
 def ipynb_to_pdf(ipynb_path: Path, pdf_path: Path):
     try:
         with open(ipynb_path, encoding="utf-8") as f:
             nb = nbformat.read(f, as_version=4)
 
-        html_exporter = HTMLExporter()
-        html_exporter.exclude_input_prompt = True
-        html_exporter.exclude_output_prompt = True
-        body, _ = html_exporter.from_notebook_node(nb)
+        pdf_exporter = WebPDFExporter()
+        pdf_exporter.exclude_input_prompt = True
+        pdf_exporter.exclude_output_prompt = True
 
-        HTML(string=body, base_url=str(ipynb_path.parent)).write_pdf(str(pdf_path))
-        print(f"Converted: {ipynb_path.name} -> {pdf_path.name}")
+        pdf_data, _ = pdf_exporter.from_notebook_node(nb)
+
+        with open(pdf_path, "wb") as f:
+            f.write(pdf_data)
+
+        print(f"✅ Converted: {ipynb_path.name} -> {pdf_path.name}")
     except Exception as e:
-        print(f"Failed to convert {ipynb_path.name} to pdf: {e}")
+        print(f"❌ Failed to convert {ipynb_path.name} to pdf: {e}")
 
 
-def sync_notebooks_to_pdf(directory_path: str, output_path: str):
+def sync_notebooks_to_pdf(directory_path: str, output_path: str, force: bool = False):
     base_path = Path(directory_path)
 
     if output_path:
         out_base = Path(output_path)
     else:
         out_base = base_path / "resources"
 
+    out_base.mkdir(parents=True, exist_ok=True)
+
     notebooks = list(base_path.glob("*.ipynb"))
 
     if not notebooks:
-        print(f"No notebooks found in: {directory_path}")
+        print(f"⚠️ No notebooks found in: {directory_path}")
         return
 
     for ipynb_path in notebooks:
         pdf_path = out_base / ipynb_path.with_suffix(".pdf").name
-
         should_convert = False
 
-        if not pdf_path.exists():
+        if force:
+            should_convert = True
+        elif not pdf_path.exists():
             should_convert = True
         else:
             ipynb_mtime = ipynb_path.stat().st_mtime
@@ -56,11 +61,13 @@ def sync_notebooks_to_pdf(directory_path: str, output_path: str):
         if should_convert:
             ipynb_to_pdf(ipynb_path, pdf_path)
         else:
-            print(f"Skipped: {ipynb_path.name} (PDF is up to date)")
+            print(f"ℹ️ Skipped: {ipynb_path.name} (PDF is up to date)")
 
 
 def main():
-    parser = argparse.ArgumentParser(description="Sync jupyter notebooks to PDF")
+    parser = argparse.ArgumentParser(
+        description="Sync jupyter notebooks to PDF with math support",
+    )
 
     parser.add_argument(
         "--notebooks_dir",
@@ -77,9 +84,16 @@ def main():
         help="Output directory for PDF files",
     )
 
+    parser.add_argument(
+        "--force",
+        "-f",
+        action="store_true",
+        help="Force re-export of all notebooks even if they haven't changed",
+    )
+
     args = parser.parse_args()
 
-    sync_notebooks_to_pdf(args.notebooks_dir, args.output_dir)
+    sync_notebooks_to_pdf(args.notebooks_dir, args.output_dir, args.force)
 
 
 if __name__ == "__main__":