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[lq <address@hidden>]

I am sorry,you should change the '$' in the last line to ';' to see the
output.
With '$' and pdiff loaded,every thing is OK.
> Hi Paul,
>
> The difference may be because I load the pdiff package in my maxima-int.mac;
>
> Without pdiff loaded,my maimxa(5.17.1) just throw out a lot of errors I
> cannot understand(See in test-nopdiff.pdf).
> That's also the situation running in original test interface;
>
> With pdiff loaded,that's what I talked in the first post.(See
> test-withpdiff.pdf).
>
> Thanks very much for your help.
>
> lq
>
> Paul Zarucki 写道:
>   
>> Hi lq,
>>
>> If I type your commands in Texmacs 1.0.7 on Debian 4.0 (Maxima version
>> 5.10.0) I get the following message:
>>
>> **************
>> Maxima encountered a Lisp error:
>>
>> Error in PROGN [or a callee]: Caught fatal error [memory may be damaged]
>>
>> Automatically continuing.
>> To reenable the Lisp debugger set *debugger-hook* to nil.
>> **************
>>
>> I used a terminal window to start Texmacs but there is no error
>> message in the terminal window and CPU usage is normal (very low). I
>> attach a PDF of my Maxima session in Texmacs.
>>
>> I also typed your commands into the terminal interface of Maxima and
>> get the following error message:
>>
>> **************
>> Maxima encountered a Lisp error:
>>
>> Error in PROGN [or a callee]: Caught fatal error [memory may be damaged]
>>
>> Automatically continuing.
>> To reenable the Lisp debugger set *debugger-hook* to nil.
>> **************
>>
>> which is identical to the message in Texmacs.
>>
>> Regards,
>>
>> Paul.
>>
>>
>> lq wrote:
>>     
>>> Hi everyone:
>>>
>>> I am using Arch Linux and have texmacs(version 1.0.7) installed using
>>> pacman.
>>> Today ,I want to derive the *Runge�CKutta methods** *with help of the 
>>> maxima.
>>> After typing a command with a quite long output ,texmac only output:
>>>
>>> ** <stack-overflow|#f|Stack overflow|#f|#f>
>>>
>>> with a lot of CPU used.
>>>
>>> And the output
>>>   
>>>       
>>>> /usr/share/TeXmacs/progs/convert/rewrite/tmtm-tidy.scm:42:28: In
>>>> procedure equal? in expression (== x (quote #)):
>>>> /usr/share/TeXmacs/progs/convert/rewrite/tmtm-tidy.scm:42:28: Stack
>>>> overflow
>>>>     
>>>>         
>>> in terminal window.
>>>
>>> The commands I run are below:
>>>   
>>>       
>>>> K[1]:g(t,y);
>>>> A:taylor(g(t+h[t],y+h[y]),[h[t],h[y]],0,4);
>>>> h[t]=mu[21]*h;
>>>> h[y]=mu[21]*h*K[1];
>>>> K[2]:A,%o3,%o4,ratexpand;
>>>> h[t]=(mu[31]+mu[32])*h;
>>>> taylor(h*(mu[31]*K[1]+mu[32]*K[2]),h,0,4);
>>>> h[y]=taytorat(%o7);
>>>> A,%o6,%o8;
>>>>     
>>>>         
>>> The last one is which caused problem.
>>> This must be a bug of texmacs , beacause there is no problem when I run
>>> these commands in original terminal interface of
>>> maxima or change the last command to
>>>   
>>>       
>>>> A,%o6,%o8$
>>>>     
>>>>         
>>> Does anyone know how to fix?
>>>
>>>
>>> lq
>>>
>>>
>>>
>>>
>>>   
>>>       
>> -- 
>>
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