DEQ
Nonlinear ODEs with uncertain IVs
Computes IVP ODEs with uncertainty in initial values
2025.Sep.18 02:46:29
Final t Final t for integration.
Initial values Initial values.
cv % Initial values (single) coefficient of variation.
Parameters ODEs parameters.
Tolerance % Tolerance for objective.
Trials (N), seed     Monte Carlo trials, seed.
Method        Method of integration.
Int. y-axis bound         (automatic: a) Integration: upper bound for y in plot.
Sim. y-, x-axis bounds Simulation: axes bound in plot.
Points Simulation: n. of plot points.
Show values Show graph coordinates.

Solves the system of ODEs in Fig. 1, and explores uncertainty in the initial values, made Gaussian, μ = IVs and σ = μ.cv.

ODEs Fig. 1

Shows the graphical result.

References: Plate: RandIVnlODEs

• COUPLED80 2025, 09–11 October, 2025, Porto (Portugal).

• 1784-07-22: Bessel, Friedrich Wilhelm (†1846-03-17, 61 yrs.).

 
 
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Created: 2025-07-23 — Last modified: 2025-09-07