Skip to content
Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

🧩 Challenges · Fourier Analysis

Build it, break it, predict it, or recall it. Pick a challenge and prove you've got it.

📅 Today's Daily Challenge 🏆 Leaderboard
You're previewing the Arcade. Log in or create an account and enroll to keep your XP and personal bests.

recall the fourier coefficient formulas

recall
easy medium hard

recall parsevals identity

recall
easy medium hard

recall the fourier transform and its inverse

recall
easy medium hard

recall the convolution theorem

recall
easy medium hard

recall the nyquist rate

recall
easy medium hard

recall the dft definition

recall
easy medium hard

recall fft complexity

recall
easy medium hard

predict gibbs overshoot

predict
easy medium hard

predict aliased frequency

predict
easy medium hard

predict differentiation magnitude

predict
easy medium hard

predict heat mode decay rate

predict
easy medium hard

predict harmonic spacing

predict
easy medium hard

predict exponential characteristic function magnitude

predict
easy medium hard