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I would like to combine a 3-dimensional graph of a function with its 2-dimensional contour-plot underneath it in a professional way. But I have no idea how to start, I try this: W[s_, b_, q_, p_] := (1/\[Pi]) Exp[-(p^2) + ...
Hello everyone, I have a problem in partial trace on the "quantum package" when claculating partial Trace a matrix using notation of Dirac and when falls into a void element it does cancelm but it gives 0. please Who has an idea? Thank you in...
*thank you very much*
thank you, you are right the eigenvalue is independent of alpha and beta