twobit | R Documentation |
Computes the sum of two base-2 numbers, each two digits long, and a carry bit. These numbers are fed into the circuit in the form of input signals.
Index 1 DAE of dimension 350
twobit (times = seq(0, 320, by = 0.5), yini = NULL, dyini = NULL,
printmescd = TRUE, method = radau,
atol = 1e-4, rtol = 1e-4, maxsteps = 1e5, hmax = 0.1, ...)
yini |
the initial (state) values for the DE system. If |
dyini |
the initial derivatives of the state variables of the DE system. |
times |
time sequence for which output is wanted; the first
value of |
method |
the solver to use |
atol |
absolute error tolerance, either a scalar or a vector, one value for each y. |
rtol |
relative error tolerance, either a scalar or a vector, one value for each y, |
maxsteps |
maximal number of steps per output interval taken by the solver |
hmax |
maximal size of step; if too large: will fail. |
printmescd |
if TRUE the mixed error significant digits computed using the reference solution at time 1e13 are printed |
... |
additional arguments passed to the solver . |
This model has no parameters
A matrix of class deSolve
with up to as many rows as elements in
times
and as many
columns as elements in yini
, plus an additional column (the first)
for the time value.
There will be one row for each element in times
unless the
solver returns with an unrecoverable error. If
yini
has a names attribute, it will be used to label the columns
of the output value.
This model is implemented in FORTRAN
Karline Soetaert <karline.soetaert@nioz.nl>
Francesca Mazzia
url : archimede.dm.uniba.it/~testset
out <- twobit(times = seq(0, 100, by = 0.5))
plot(out, lwd = 2, which = c("x49", "x130", "x148"), mfrow = c(3, 1))
## Not run:
out <- twobit()
# compare with reference solution
max(abs(out[nrow(out),-1] - reference("twobit")))
## End(Not run)
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