I was trying to find the intersection points of these function
f1=sym('y=x^3');
f2=sym('x^2+y^2=1');
S=solve(f1,f2,x,y);
solx=eval(S.x);
soly=eval(S.y);
I can't do eval(S.x) because i receive the error
Undefined function or variable 'z'.
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