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  <title>skqfly</title>
  <link>https://mmddskq.top/blog</link>
  <description>关于计算、建模与实践的笔记。</description>
  <language>zh-CN</language>
  <item>
  <title>Hello, skqfly</title>
  <link>https://mmddskq.top/blog/hello-skqfly</link>
  <guid>https://mmddskq.top/blog/hello-skqfly</guid>
  <pubDate>Wed, 15 Jul 2026 00:00:00 GMT</pubDate>
  <description>个人网站的第一篇文章，也是一个新的开始。</description>
</item>
<item>
  <title>从热方程到可信的有限差分实验</title>
  <link>https://mmddskq.top/blog/finite-difference-heat-equation</link>
  <guid>https://mmddskq.top/blog/finite-difference-heat-equation</guid>
  <pubDate>Wed, 03 Jun 2026 00:00:00 GMT</pubDate>
  <description>从离散格式、稳定性条件到网格收敛，完整走一遍一维热方程的数值实验。</description>
</item>
<item>
  <title>把参数扫描做成可复现的计算实验</title>
  <link>https://mmddskq.top/blog/reproducible-parameter-sweep</link>
  <guid>https://mmddskq.top/blog/reproducible-parameter-sweep</guid>
  <pubDate>Wed, 18 Mar 2026 00:00:00 GMT</pubDate>
  <description>用确定性配置、实验标识与结构化结果，让参数扫描可以中断、复跑和比较。</description>
</item>
<item>
  <title>模型校准之前，先检查参数可辨识性</title>
  <link>https://mmddskq.top/blog/model-calibration-and-identifiability</link>
  <guid>https://mmddskq.top/blog/model-calibration-and-identifiability</guid>
  <pubDate>Fri, 09 Jan 2026 00:00:00 GMT</pubDate>
  <description>以 Logistic 增长模型为例，说明拟合误差很小为何不等于参数已经被可靠识别。</description>
</item>
<item>
  <title>残差很小，线性方程组的解就可靠吗？</title>
  <link>https://mmddskq.top/blog/conditioning-and-linear-solvers</link>
  <guid>https://mmddskq.top/blog/conditioning-and-linear-solvers</guid>
  <pubDate>Sun, 26 Oct 2025 00:00:00 GMT</pubDate>
  <description>从条件数、前向误差与后向误差出发，理解为什么小残差不总能保证小解误差。</description>
</item>
<item>
  <title>从 Notebook 走向可复现的数值实验</title>
  <link>https://mmddskq.top/blog/from-notebook-to-reproducible-experiment</link>
  <guid>https://mmddskq.top/blog/from-notebook-to-reproducible-experiment</guid>
  <pubDate>Sat, 12 Apr 2025 00:00:00 GMT</pubDate>
  <description>把探索、计算和报告拆成清晰步骤，让一次性的 Notebook 成为可以复核的实验。</description>
</item>
<item>
  <title>从随机种子到环境快照：一次可复现实验的完整记录</title>
  <link>https://mmddskq.top/blog/reproducible-heat-equation-experiment</link>
  <guid>https://mmddskq.top/blog/reproducible-heat-equation-experiment</guid>
  <pubDate>Sat, 14 Dec 2024 00:00:00 GMT</pubDate>
  <description>以一维热方程为例，记录如何固定输入、数值格式与运行环境，让计算结果可以被重复验证。</description>
</item>
<item>
  <title>用直方图读一组夜间照片</title>
  <link>https://mmddskq.top/blog/reading-photographs-with-histograms</link>
  <guid>https://mmddskq.top/blog/reading-photographs-with-histograms</guid>
  <pubDate>Sun, 28 Apr 2024 00:00:00 GMT</pubDate>
  <description>从两张明暗差异明显的照片出发，用亮度分位数和裁切比例检查曝光，而不是只凭屏幕观感判断。</description>
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