[R-sig-dyn-mod] memory issues with lsoda

Rampal S. Etienne rampaletienne at gmail.com
Tue Jul 4 12:45:29 CEST 2017


Hi,

When trying desolve with lsoda, I often get an error saying that I use
lots of memory, e.g.

Error in lsoda(y, times, func, parms, ...) : cannot allocate memory
block of size 134217728 Tb
In addition: Warning message: In lsoda(y, times, func, parms, ...) :NAs
introduced by coercion to integer range


With a different solver (e.g. ode45), I don't get this problem. What is
different in these methods that they use the memory so differently, and
can the lsoda error somehow be fixed?

Cheers,

Rampal

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