The system of differential equations is linear, with possibly time-varying coefficient functions. The numerical solution is computed with the Runge-Kutta method.
odesolv(bwtlist, ystart=diag(rep(1,norder)),
h0=width/100, hmin=width*1e-10, hmax=width*0.5,
EPS=1e-4, MAXSTP=1000)a list whose members are functional parameter objects defining the weight functions for the linear differential equation.
a vector of initial values for the equations. These are the values at time 0 of the solution and its first m - 1 derivatives.
a positive initial step size.
the minimum allowable step size.
the maximum allowable step size.
a convergence criterion.
the maximum number of steps allowed.
a named list of length 2 containing
a vector of time values at which the system is evaluated
a matrix of variable values corresponding to tp.
This function is required to compute a set of solutions of an estimated linear differential equation in order compute a fit to the data that solves the equation. Such a fit will be a linear combinations of m independent solutions.
pda.fd. For new applications, users are encouraged to
consider deSolve. The deSolve package
provides general solvers for ordinary and partial differential
equations, as well as differential algebraic equations and delay
differential equations.
# NOT RUN {
#See the analyses of the lip data.
# }
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