1 | MapIterator(syst, start.time, end.time, dt, start.x, parms = NULL, runge.kutta = F)
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syst |
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start.time |
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end.time |
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dt |
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start.x |
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parms |
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runge.kutta |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | ##---- Should be DIRECTLY executable !! ----
##-- ==> Define data, use random,
##-- or do help(data=index) for the standard data sets.
## The function is currently defined as
function (syst, start.time, end.time, dt, start.x, parms = NULL,
runge.kutta = F)
{
times <- seq(start.time, end.time, by = dt)
y <- start.x
ret <- NULL
for (t in times) {
ret <- rbind(ret, y)
if (runge.kutta) {
y <- RK4(t, syst, y, dt, parms)[[1]]
}
else {
y <- syst(t, y, parms)[[1]] * dt
}
}
ret
}
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