ode23

The MATLAB ODE Suite: ode23: Solve nonstiff differential equations; low order method. [T,Y] = solver(odefun,tspan,y0) with tspan = [t0 tf] integrates the system of differential equations y′ = f(t,y) from time t0 to tf with initial conditions y0. The first input argument, odefun, is a function handle. The function, f = odefun(t,y), for a scalar t and a column vector y, must return a column vector f corresponding to f(t,y). Each row in the solution array Y corresponds to a time returned in column vector T. To obtain solutions at the specific times t0, t1,...,tf (all increasing or all decreasing), use tspan = [t0,t1,...,tf]. Parameterizing Functions explains how to provide additional parameters to the function fun, if necessary. [T,Y] = solver(odefun,tspan,y0,options) solves as above with default integration parameters replaced by property values specified in options, an argument created with the odeset function. Commonly used properties include a scalar relative error tolerance RelTol (1e-3 by default) and a vector of absolute error tolerances AbsTol (all components are 1e-6 by default). If certain components of the solution must be nonnegative, use the odeset function to set the NonNegative property to the indices of these components. See odeset for details. [T,Y,TE,YE,IE] = solver(odefun,tspan,y0,options) solves as above while also finding where functions of (t,y), called event functions, are zero. For each event function, you specify whether the integration is to terminate at a zero and whether the direction of the zero crossing matters. Do this by setting the ’Events’ property to a function, e.g., events or @events, and creating a function [value,isterminal,direction] = events(t,y). For the ith event function in events, value(i) is the value of the function. isterminal(i) = 1, if the integration is to terminate at a zero of this event function and 0 otherwise. direction(i) = 0 if all zeros are to be computed (the default), +1 if only the zeros where the event function increases, and -1 if only the zeros where the event function decreases. Corresponding entries in TE, YE, and IE return, respectively, the time at which an event occurs, the solution at the time of the event, and the index i of the event function that vanishes.


References in zbMATH (referenced in 318 articles )

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  1. Apiyo, D.; Mouton, J. M.; Louw, C.; Sampson, S. L.; Louw, T. M.: Dynamic mathematical model development and validation of \textitinvitro Mycobacterium smegmatis growth under nutrient- and pH-stress (2022)
  2. Nasr, Walid W.: Inventory systems with stochastic and batch demand: computational approaches (2022)
  3. Abdi, Ali; Hojjati, Gholamreza: Second derivative backward differentiation formulae for ODEs based on barycentric rational interpolants (2021)
  4. Alì, Giuseppe; Bilotta, Eleonora; Chiaravalloti, Francesco; Pantano, Pietro; Pezzi, Oreste; Scuro, Carmelo; Valentini, Francesco: Spatiotemporal pattern formation in a ring of Chua’s oscillators (2021)
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  7. Chatterjee, Abhishek; Ghaednia, Hamid; Bowling, Alan; Brake, Matthew: Estimation of impact forces during multi-point collisions involving small deformations (2021)
  8. Coskun, Erhan: On the properties of a single vortex solution of Ginzburg-Landau model of superconductivity (2021)
  9. Debrabant, Kristian; Kværnø, Anne; Mattsson, Nicky Cordua: Runge-Kutta Lawson schemes for stochastic differential equations (2021)
  10. Esmaeelzadeh, Zahra; Abdi, Ali; Hojjati, Gholamreza: EBDF-type methods based on the linear barycentric rational interpolants for stiff IVPs (2021)
  11. Fan, W.: An efficient recursive rotational-coordinate-based formulation of a planar Euler-Bernoulli beam (2021)
  12. Garashchuk, I. R.: Asynchronous chaos and bifurcations in a model of two coupled identical Hindmarsh-Rose neurons (2021)
  13. Ghahramani, Ebrahim; Ström, H.; Bensow, R. E.: Numerical simulation and analysis of multi-scale cavitating flows (2021)
  14. Hsu, Shao-Chen; Tadiparthi, Vaishnav; Bhattacharya, Raktim: A Lagrangian method for constrained dynamics in tensegrity systems with compressible bars (2021)
  15. Iavernaro, F.; Mazzia, F.; Mukhametzhanov, M. S.; Sergeyev, Ya. D.: Computation of higher order Lie derivatives on the infinity computer (2021)
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  17. Jalilian, A.; Abdi, A.; Hojjati, G.: Variable stepsize SDIMSIMs for ordinary differential equations (2021)
  18. Liao, Hong-Lin; Zhang, Zhimin: Analysis of adaptive BDF2 scheme for diffusion equations (2021)
  19. Manzi, M.; Topputo, F.: A flow-informed strategy for ballistic capture orbit generation (2021)
  20. Martinson, W. Duncan; Ninomiya, Hirokazu; Byrne, Helen Mary; Maini, Philip Kumar: Comparative analysis of continuum angiogenesis models (2021)

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Further publications can be found at: http://epubs.siam.org/doi/abs/10.1137/S1064827594276424