More from Math Visualization
Other simulators in this category — or see all 46.
NewSchool
FFT Magnitude Spectrum
Paint or preset a 256-point signal; radix-2 FFT shows |X[k]| vs bin (DC to Nyquist).
Launch Simulator
NewUniversity / research
2D Phase Portrait (ODE)
Direction field and click-to-trace trajectories for planar systems: harmonic, damped, saddle, nodes, foci, pendulum (RK4).
Launch Simulator
School
Lissajous Curves
Beautiful patterns from two frequencies with adjustable ratio.
Launch Simulator
NewKids
Harmonograph
Two damped harmonic sums in x and y: decaying rosette trace vs Lissajous loops.
Launch Simulator
NewKids
Spirograph (Trochoids)
Hypo- or epitrochoid: fixed R, rolling r, pen d; hue trail and period hints.
Launch Simulator
NewSchool
SIR Epidemic Model
S + I + R = 1: βSI and γI; ℛ₀ ≈ β/γ, herd threshold 1 − 1/ℛ₀; RK4 time plot.
Launch Simulator