partially mapped crossover

[tspga]

has any one worked with genetic algorithms. im solving travelling salesman problem with genetic algorithm and unfortunately stuck at crossover im using partially mapped cross over. i have tried coding it but it some time does not gives valid tour. can any one help me in building its logic.

[aamir121a]

solution can be found here with the source code

http://www.lalena.com/ai/tsp/