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Because your code is so long and there has been cut-and-paste issues, as a check Variables[Integrand] results in ![List of variables in Integrand][1] Are these the variables that you expect? [1]:...
Have you guys at Wolfram recently created methods for multivariate limits? When?
Hans, Thank you for sharing this method! I tried it out and it works. The reason for the zero solutions is because the initial condition was placed on the wrong state. Placing it on the correct state (the third state) results in non-zero...