Matlab respond nothing when using the sym command even thought that i have a symbolic Math Toolbox installed. What is happening?

This is the error what i got when i use the command sym.

> syms x Error using mupadmex Internal error with symbolic engine. Quit and restart MATLAB.

Error in symengine

Error in sym (line 189) symengine;

Error in sympref>implementedSymprefs (line 142) y = {'FourierParameters', sym([1,-1]), 'MuPAD', 'sym';...

Error in sympref>initializeSymprefs (line 218) iSymprefs = implementedSymprefs;

Error in sympref (line 73) initializeSymprefs;

Error in syms (line 195) calledFromBase = mupadmex('', 8);

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>cell2ref (line 1303) S = mupadmex(y);

Error in sym>tomupad (line 1241) S = cell2ref(numeric2cellstr(x));

Error in sym (line 215) S.s = tomupad(x);

Error in syms (line 197) toDefine = sym(zeros(1, 0));

Please help..

Answer 1

[Steven Lord]

Are you using Windows 10 Spring Creator Update 2018? If so see this Bug Report.

[Endrias]

Thank you very much!! It works now after I install the update.

Ciao.

Answer 2

[ChiaJan Yv]

Thank you so much! I was tortured by this problem for several days...

ChiaJan