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  <url><loc>https://dw-learn.pages.dev/curriculum.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.7</priority></url>
  <!-- Mathematics: twenty foundations, sixteen advanced lessons, and twelve original chapters -->
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  <url><loc>https://dw-learn.pages.dev/math/ch09-laplacian.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
  <url><loc>https://dw-learn.pages.dev/math/ch10-bayes-mle.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
  <url><loc>https://dw-learn.pages.dev/math/ch11-markov.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
  <url><loc>https://dw-learn.pages.dev/math/ch12-bellman-contraction.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
  <!-- Machine Learning (13 chapters; v1.27.0 reorder, CNN moved to DL) -->
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  <url><loc>https://dw-learn.pages.dev/ml/ch12-kmeans.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
  <url><loc>https://dw-learn.pages.dev/ml/ch13-pca.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
  <!-- Deep Learning (11 chapters; v1.27.0 reorder, CNN joins as ch05) -->
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  <url><loc>https://dw-learn.pages.dev/dl/ch01-vanishing-gradient.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
  <url><loc>https://dw-learn.pages.dev/dl/ch02-optimizers.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
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  <url><loc>https://dw-learn.pages.dev/dl/ch04-mnist.html</loc><lastmod>2026-10-09</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
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  <!-- Reinforcement Learning (13 chapters) -->
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  <url><loc>https://dw-learn.pages.dev/rl/ch00-intro.html</loc><lastmod>2026-08-28</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
  <url><loc>https://dw-learn.pages.dev/rl/ch01-bandits.html</loc><lastmod>2026-07-28</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
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