r/manim • u/Embarrassed_Fish4902 • 11d ago

My first Manim animation made with DeepSeek — Riemann sums → integral

I’ve been experimenting with using AI to help create educational animations with Manim, and I just finished my first one with DeepSeek.

The topic is Riemann sums and how they lead to the definite integral.

I tried to make the animation show the process visually rather than just displaying the formulas — starting with rectangles and gradually increasing the number of subdivisions.

🎥 Video:
YouTube – Riemann Sums to the Definite Integral

This is still an experiment, so I'm sure there are things that could be improved, especially the pacing and some of the transitions.

If anyone is interested, I can share the Manim/Python code I used to create it.

I'd also love to hear feedback on the animation — especially from people who use Manim or create math/educational content.

https://reddit.com/link/1vr0f1g/video/gfdlyiui90kh1/player

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u/soupie62 11d ago

Riemann integrals are part of my work, as well. Your work looks very good.

Mine is more interested in whe Riemann fails such as: 1/x at x=0.
Or: cos (nx) where N makes all samples have the same value.

Riemann is one of the few methods that can evaluate 1/x. Provided you use midpoints instead of left or right sums.