Mini Analog Computer — pre-final + Read Gate + Heatmap + RK4 + Preset Hash/Random

ω (natural frequency)2.0

ζ (damping)0.08

Input source u(t)

F (amplitude of u)0.50

Ω (frequency of u)2.0

Nonlinear block N(y)

kₙₗ (nonlinearity strength)0.00

Op-amp saturation

Vmax (|y|, |x|)6.0

Input limiter u(t) before integration

Limiter

Umax / scale / S2.0

Integrator method

Δt (integration step)0.003

Sub-steps / frame12

Initial state y, x

🔎 Read Gate

Enable gate

From edge

Coefficient (k × grid cell)

Result mode

Window (number of periods)1.00

Result log

0 entries

Presets

Model: ẏ = x, ẋ = −2ζω·x − ω²·y + u(t) + kₙₗ·N(y).
UTC block: u(t)=F·sin(Ω·T_UTC), T_UTC=Date.now()/1000.

y(t)

x(t)=ẏ

u(t)

Gate: —

UTC: