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Unable to solve simultaneous equations!

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Abin Krishnan
Abin Krishnan 2013-11-19
评论： Abin Krishnan 2013-11-19
I tried solving the simultaneous equations in Matlab by writing the following commands:
>> syms a b
>> [a,b]=solve(a+b==1,2*a-b==4,a,b)
The following message was displayed:
Error using ==> char
Conversion to char from logical is not possible.
Error in ==> solve>getEqns at 169
vc = char(v);
Error in ==> solve at 67
[eqns,vars] = getEqns(varargin{:});
Pla help me. Its urgent for my project eork.

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采纳的回答

Walter Roberson
Walter Roberson 2013-11-19
Older versions of MATLAB cannot use == in a symbolic expression the way you show there.
Convert something of the form A == B into the form (A)-(B)

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