How to display result from solve ?

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Ole
Ole am 4 Feb. 2020
Kommentiert: Ole am 4 Feb. 2020
How to display the result form solve ?
x = @(y)(y^2-4); eqn =@(y) x(y)==0; syms y; S = vpasolve(eqn(y),y)
Xr2 = [' R2 = ',num2str(S(2),16)];
disp(Xr2)
Error using num2str (line 53)
Input to num2str must be numeric.

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KSSV
KSSV am 4 Feb. 2020
iwant = double(S)

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fred ssemwogerere
fred ssemwogerere am 4 Feb. 2020
what are you trying to do here?
Xr2 = [' R2 = ',num2str(S(2),16)];
This should do nicely:
Xr2 = [' R2 = ',int2str(S(2))];
disp(Xr2)

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