search for: lvcomp2

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2001 May 11
1
lsoda
...cond, "a vector (possibly with a `names' attribute) of global values that are required at each point in `times'." I didn't understand from the example why the massbalance = sum(y) was needed for that system of equations. Why is it needed? For my function below ('lvcomp2'), I don't know what global values lsoda needs at each point in time (see???), other than the previous time step's values of y and the parms. Any help? Also, any rule of thumb advice regarding rtol and atol would be appreciated. p <- c(r1=.01, r2=.01, a12=0.5, a21=0.6, k1=1,k2=1) t...