Update class05.md

ivanightingale · web-flow · commit 2fb77edb5807 · 2025-08-08T16:48:17.000-04:00
diff --git a/class05/class05.md b/class05/class05.md
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 # Class 5 — 09/19/2025
 
-**Presenter:** TBD
+**Presenter:** Guancheng "Ivan" Qiu
 
 **Topic:** Nonlinear trajectory optimization; collocation; implicit integration
 
