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  • 6 votes cast
Apr
6
comment NDSolve for a system of nonlinear coupled pde
Thanks again. I removed the first part of errors and even the second error in the second part. I am wondering if this code is parallizable, because the ultimate goal is to do this for larger number of equations.
Apr
6
awarded  Commentator
Apr
6
comment NDSolve for a system of nonlinear coupled pde
Thanks a lot. It was very helpful. But, I still do not have a clear image that why the second part should be any different in terms of computational time than the first part nevertheless they use the same set of equations.
Apr
6
awarded  Scholar
Apr
6
accepted NDSolve for a system of nonlinear coupled pde
Apr
5
asked NDSolve for a system of nonlinear coupled pde
Apr
1
comment Using a Mathematica index as a DiscreteVariable in NDSolve when solving a coupled set of ordinary differential equations
how can I use this for two variable functions in a system of coupled pde?
Mar
7
revised Integro-differential equation
edited body
Mar
6
awarded  Popular Question
Jul
9
comment Integro-differential equation
Dear acl, As much as I tried so far I couldn't find an algorithm to take care of the 2nd derivative under the integral sign. So yes, I need an algorithm or even a clue to start.
Jul
8
revised Integro-differential equation
deleted 389 characters in body
Jun
4
awarded  Supporter
Aug
14
awarded  Teacher
Jul
29
answered How to Export this animation as a gif file for powerpoint presentation
Apr
1
awarded  Popular Question
Sep
12
comment discrete Fourier transform
Guys,I do get the same result on my machine,but I think this Fourier analysis doesn't make sense,at least my supervisor says so.he says I have to tell the program that my function is periodic,so that the Fourier transform of it should go to zero for t infinity.
Sep
12
asked discrete Fourier transform
Aug
27
revised Integro-differential equation
added 602 characters in body
Aug
26
revised Integro-differential equation
added 2 characters in body
Aug
25
comment Integro-differential equation
@Leoinid:I tried to remove the 2nd derivative under the integral,but because the kernel is a 2nd type modified Bessel function it would lead to a divergent 2nd derivative of kernel which make it worse,so I think that I have to deal with this equation the way it is and solve it by discretization if possible.any idea how to discretize?