"Undefined function 'equationsToMatrix' for input arguments of type 'sym'." Error

2015 2 18
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更新时间：2015 2 19
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Hello all,
I've been trying to deal with the equationsToMatrix function, but getting this "Undefined function 'equationsToMatrix' for input arguments of type 'sym'." error all the time.
To try, I took a sample code from Help. It gives the same error also.
syms x y z
[A,b] = equationsToMatrix([x+y-2*z==0,x+y+z==1,2*y-z+5==0], [x,y,z])
Any ideas? Version is 2014b.
BR, Ozgur

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Ozgur
Ozgur 2015-2-19

0 个投票

I think this is related to couple of issues combined. MATLAB was on E:\ drive, I'd uninstalled and installed it again on C:\.
I've made toolbox path cache update afterwards. Now it is working.
P.S.: After posting this question, I realized that most of the symbolic functions gone crazy. This problem is not directly related to equationsToMatrix function.
Thanks for the replies.
Ozgur

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