%Diff equation of loudspeaker 
%f(x) 
mydx(1)= x02 ;
mydx(2)= (8869*x03)/(10*(92000*(x01 + 3194053736362809/9223372036854775808)^2 + 1)) - (787182521543426125*x03^2)/(864691128455135232*(((2096*x01)/5 + 4089/10000)^2 + 1)) - (1000*x01*(67500000*(x01 - 109786950276187/144115188075855872)^2 + 6753/10))/3 - (2773*x02)/10 ;
mydx(3)= ((23127*x03)/5000 + (26607*x02)/(10000*(92000*(x01 + 3194053736362809/9223372036854775808)^2 + 1)) - (6297460172347409*x02*x03)/(1152921504606846976*(((2096*x01)/5 + 4089/10000)^2 + 1)))/((7691554408973935*atan((2096*x01)/5 + 4089/10000))/590295810358705651712 - 7151433742495719/295147905179352825856) ;
%g(x) 
mydx(3)= mydx(3)+uf*(-1/((7691554408973935*atan((2096*x01)/5 + 4089/10000))/590295810358705651712 - 7151433742495719/295147905179352825856));
