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Dificulty on Integrate function!

  • To: mathgroup at smc.vnet.net
  • Subject: [mg96934] Dificulty on Integrate function!
  • From: negedea at googlemail.com
  • Date: Fri, 27 Feb 2009 06:16:04 -0500 (EST)

Dear all,

I got a problem in integrating the expression (given below in input
form) on Mathematica. Please give me some hints or a way around to get
the solutions. . I want to integrate the equation  with respect to b,
c, and d. So that I get an equation only in terms of t and a. I tried
to use Integrate function in Mathematica both in the form of definite
and indefinite integral but it could not turn out the result. If the
indefinite integral is not working the ranges of integration for
definite integral shall be the following {b, 0, 170}, {c, 0, 400} and
{d, 0,170}.

(5.985857026794833*^-14*(14 + c)^2.37*E^(-0.0003630681026445808*
(-50.29 + b)^2 - c/41 - 0.0003125*(-43.7 + d)^2 - b/d + t/d -
1.1985780806058064*^-6*(-3535.42 + c + ((a - c)*E^((-b + t)/d))/(t/b)^
(b/d))^2))/(t/b)^(b/d)

Please please help me. If I could not get this solution I have to
discard so many things I spent considerable time on!

Thanking you in advance.

Negede


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