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# Integration on complicated equation exceeds cloud time limit

Posted 10 years ago
 Dear all, Can anyone help me to solve the following integration equation. I encountered the following difficulty:  "Cloud::timelimit: This computation has exceeded the time limit for your plan"  The equation which i am trying to solve is as following: partWm = ( alpha * ( s - r ) / ( L - r ) - alpha ) ^ ( 1 / beta ) Wm = ( -1 / 100 ) * e ^ ( partWm ) dWmdL = D [ Wm , L ] K = ( Ks * A ) / ( A + ( - 100 * Wm ) ^ B ) y = ( L - n ) * K * dWmdL ( 2 / ( o - n ) ^ 2 ) * integrate [ y , { L , f1 , f2 } ]  Can someone please help? Thanks, Goh
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Posted 10 years ago
 Hi, I have tried to solve the integral. I have got the following. y = (L - n) (Ks*A)/(A + (-100 (-1/100) Exp[(a (s - r)/(L - r) - a)^(1/b)])^B) D[(-1/100) Exp[(a (s - r)/(L - r) - a)^(1/b)], L] Integrate[y, f1, f2] (a*A*E^(-a + (a*(-r + s))/(L - r))^(1/b)*f1*f2*Ks*(L - n)*(-r + s)(-a + (a*(-r + s))/(L - r))^(-1 + 1/b))/(100*b*(A + (E^(-a + (a*(-r + s))/(L - r))^(1/b))^B)*(L - r)^2) a=alpha, b=beta Sincerely, Suvadip
Posted 10 years ago
 Without any assumptions on some of these parameters Mathematica can't find analytical antiderivative. If you have numerical values for some of these parameters this might help.