On Friday, March 29, 2013 6:14:21 AM UTC-4, Stan Schymanski wrote:
>
> Using 5.8 in Ubuntu 12.10, I get the same segmentation fault message in a
> looping code without involving any solve() command. I am just using a
> series of equations to calculate different values of variables saved in a
> dictionary ("vdict") and substitute those in the next equations, e.g.:
> vdict[var1] = eq_var1.rhs().subs(vdict).
> If I run the code for a long series of loops, eventually I get:
>
> ;;;
> ;;; Detected access to protected memory, also kwown as 'bus or
> segmentation fault'.
> ;;; Jumping to the outermost toplevel prompt
> ;;;
>
>
> Does the .subs(vdict) command use maxima? How can I help debugging this?
>
This should only use Ginac/Pynac. If you can post the code you are using
somewhere like pastebin, maybe one could look to see if Maxima is
implicitly used somewhere. Do you ever use one of the simplification
commands?
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