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solve('(a*(a-e^2))/(e*(a*d-c*e))-3.071','(a*d-c*e)/(a-e^2)-7.533','(a-e^2)/(c-d*e)-1.313','(e*(c-d*e))/(a-e^2)-3.222')

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>> solve('(a*(a-e^2))/(e*(a*d-c*e))-3.071','(a*d-c*e)/(a-e^2)-7.533','(a-e^2)/(c-d*e)-1.313','(e*(c-d*e))/(a-e^2)-3.222')
??? Error using ==> subsref
Index exceeds matrix dimensions.

Error in ==> sym.subsref at 16
  y = builtin('subsref',struct(x),a);

Error in ==> solve at 191
      S.(char(symvars(j))) = R(:,j);
>>

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