%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));
mydx(4)= (7945786453581893*x05)/4398046511104 - (1230463652663575*x04)/4398046511104 - (3097935658702697*x01)/140737488355328 + (4791275628850475*x06)/8796093022208 - (2304107978362027*x07)/8796093022208 ;
mydx(5)= (2834755689918673*x07)/4398046511104 - (3972893226790945*x04)/2199023255552 - (2249331463177799*x05)/2199023255552 - (300961905492621*x06)/137438953472 - (4423779820383569*x01)/140737488355328 ;
mydx(6)= (3466432788923239*x01)/140737488355328 + (2395637814425237*x04)/4398046511104 + (4815390487881939*x05)/2199023255552 - (644302149615837*x06)/274877906944 + (4701120349775003*x07)/2199023255552 ;
mydx(7)= (1429522202118943*x01)/140737488355328 + (2304107978362029*x04)/8796093022208 + (1417377844959335*x05)/2199023255552 - (4701120349775003*x06)/2199023255552 - (4580254701340307*x07)/1099511627776 ;
