help with lqr control of DIPC

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Welid Benchouche
Welid Benchouche 2015-4-24
hello, i need help with the LQR control of a double inverted pendulum on a cart, the thing is when i simulate the model,everything goes ok, but when i try to calculate the gain K a problem occurs,pls help me i need it desperetly here is the problem message: Warning: Discontinuity detected at A(4,3) Error using lqr (line 45) The value of the "a" property must be a numeric array without any Inf's or NaN's.
Error in pendattempt (line 15) K = lqr(A,B,Q,R);
if the file pnd2 didnt open change the extansion to .mdl and it should be enough for it to work thanks in advance

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