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# Integration on complicated equation exceeds cloud time limit

Posted 9 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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 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 9 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.