On Saturday, May 22, 2021 at 8:39:26 PM UTC+8 sandona...@gmail.com wrote:
> Hello, > > I'm not really sure if those functions are implemented into SymPy yet. You > should check out the documentation: search for example "discrete transform" > or "Fourier transform". > > In Mathematica, symbolic and numeric computations go hand in hand. The > Python ecosystem is very different in that regard. As you surely know there > are many libraries, each one targeting a specific topic and sometimes one > library is unaware of the others. For example, SymPy is about symbolic > computation, Numpy is about numeric array/matrices computations, Scipy > offers a great number of tools useful for engineering and scientific > computation, and so on... Is it possible that SymPy is not the right > library to achieve your goals? If you are able to formulate your problem in > a numerical way (instead of a symbolic approach), you could look at the > following Scipy documentation page: > https://docs.scipy.org/doc/scipy/reference/fft.html > Thank you very much. It does include so many Fourier transformations, especially, the ones I mentioned are list here: <https://docs.scipy.org/doc/scipy/reference/fft.html#discrete-sin-and-cosine-transforms-dst-and-dct>. HY > Davide. > > > Il giorno sab 22 mag 2021 alle ore 13:56 hongy...@gmail.com < > hongy...@gmail.com> ha scritto: > >> Wolfram Mathematica has so many Fourier transform relevant functions, >> say, FourierDST, FourierDCT, and so on. I'm currently learning the notes >> written by Dr. Roman Schmied >> <https://arxiv.org/search/quant-ph?searchtype=author&query=Schmied%2C+R> >> <https://arxiv.org/e-print/1403.7050>, where all examples are encoded in >> Mathematica, but I want to find the python based implementation. >> >> The biggest barrier to converting the Mathematica codes into its >> counterpart in python, say, with sympy, is the corresponding realization of >> various advanced complex functions in both. >> >> Any hints for this problem will be highly appreciated. >> >> Regards, >> HY >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sympy" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to sympy+un...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/65b57e9c-44a0-458e-8ce7-36b0f23236d2n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/sympy/65b57e9c-44a0-458e-8ce7-36b0f23236d2n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/c7fdacda-1d9f-4a2b-9b2f-438a74e87827n%40googlegroups.com.
