Using matlabFunction

Question

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I wish to use matlabFunction to convert symbolic expressions into m-files. However, I can't even make the examples given on http://www.mathworks.com/help/toolbox/symbolic/matlabfunction.html work.

For example, if I type in the following command in Matlab (as copied from the above webpage):

syms x y z; r = x^2 + y^2 + z^2; f = matlabFunction(log(r)+r^(-1/2),'file','myfile');

then Matlab returns the following error message:

??? Error using ==> dataread Too many input arguments.

Error in ==> strread at 57 [varargout{1:nlhs}]=dataread('string',varargin{:},'bufsize',2*num );

Error in ==> ver at 69 p = strread(matlabpath,'%s','delimiter',[pathsep '\n']);

Error in ==> sym.matlabFunction>writeHeader at 386 symver = ver('symbolic');

Error in ==> sym.matlabFunction>writeMATLAB at 359 writeHeader(fid,fname,varnames,outnames);

Error in ==> sym.matlabFunction at 117 g = writeMATLAB(funs,file,varnames,outputs,body);

What's wrong???

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Answer 1

Walter Roberson 2011-7-14

0 个投票

Please try

which -all dataread

as it is possible that somehow you have your own function named dataread

Thanks a lot, Walter! That was indeed the problem. After renaming "my own" dataread.m file, 'matlabFunction' now works as a charm.