can any one give me the code of WKB approximation ?

I have Integral example it be solve by WKB approximation

Answer 1

[Walter Roberson]

http://www.phys.columbia.edu/~nhc/g6037/MATLAB/MATLAB_index.html

http://math.mit.edu/~dyatlov/qnmskds/

[dashty]

Thank you Mr. Walter Roberson