Matlab crashes when I use symbolic math toolbox

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Ayham
Ayham on 26 Jun 2018
Answered: Steven Lord on 20 Jul 2018
After the last update from MS -Feature update to Windows 10, version 1803 (known as April 2018)- Symbolic math toolbox crashes even with a simple line code (syms x). When I terminate the process, I have the following errors. Does the mentioned update causes the problem, and how can I solve it?
>> syms a
Operation terminated by user during syms
(line 195)
Warning: Failed to initialize symbolic
preferences.
> In syms (line 195)
Error using mupadmex
Internal error with symbolic engine. Quit
and restart MATLAB.
Error in sym>symr (line 1360)
[S,err] = mupadmex(' ',x,3);
Error in sym>numeric2cellstr (line 1284)
S{k} = symr(double(x(k)));
Error in sym>tomupad (line 1241)
S = cell2ref(numeric2cellstr(x));
Error in sym (line 215)
S.s = tomupad(x);
Error in sympref>implementedSymprefs (line
142)
y = {'FourierParameters', sym([1,-1]),
'MuPAD', 'sym';...
Error in sympref (line 81)
iSymprefs = implementedSymprefs;
Error in symengine
Error in sym (line 189)
symengine;
Error in syms (line 197)
toDefine = sym(zeros(1, 0));
Warning: Failed to initialize symbolic
preferences.
> In symengine
In sym (line 189)
In syms (line 197)
Error using mupadmex
Internal error with symbolic engine. Quit
and restart MATLAB.
Error in symengine
Error in sym (line 189)
symengine;
Error in syms (line 197)
toDefine = sym(zeros(1, 0));

Answers (2)

Steven Lord
Steven Lord on 20 Jul 2018
Apply the appropriate Update for your release as described in the Bug Report listed in this Answers post.

madhan ravi
madhan ravi on 20 Jul 2018
There is a problem with windows 10 which freezes when symbolic math toolbox is used , the best option is to switch to 2017a.

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Release

R2017b

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