Can you please specify what purpose you are using it for. I do not know its use yet but would like to get back to you after researching on its usage .
_ _ _ _ _ _ _ Shishir On Tuesday 19 March 2024 at 22:54:42 UTC+5:30 giovanni...@gmail.com wrote: > Can anyone help me with this, please? > > On Mon, Mar 11, 2024, 06:06 Giovanni Sutanto <giovanni...@gmail.com> > wrote: > >> Hi SymPy Community, >> >> I am now trying to understand what happens when I perform WedgeProduct >> operations on SymPy. >> >> So, I understand how to use the SymPy's Wedge Product to some extent, >> i.e. I was the one who responded to the question on Stack Overflow: >> https://stackoverflow.com/questions/76981303/computing-the-wedge-product >> >> However, when I have: >> ''' >> my_matrix = Matrix([[2, 0, 5], [0, 7, 0]]) >> r2_r_oneforms = R2_r.base_oneforms() >> r2_r_vectors = R2_r.base_vectors() >> >> cols = [None] * 3 >> for j in range(3): >> cols[j] = 0 >> for i in range(2): >> cols[j] += my_matrix[i, j] * r2_r_vectors[i] >> >> cols_wedge_product = WedgeProduct(*r2_r_oneforms)(*cols) >> print('cols_wedge_product = ', cols_wedge_product) >> ''' >> What I get is: >> cols_wedge_product = -42 >> >> Where does the number -42 come from? >> >> On the other hand, if: >> my_matrix = Matrix([[1, 0, 1], [0, 1, 0]]) >> I get: >> cols_wedge_product = 0 >> What computation leads to 0 here? >> >> Can any of you please explain it, e.g. in the terms of the example in the >> video lecture https://youtu.be/xRf9-hdxB0w?feature=shared&t=2961 ? >> >> Thanks so much in advance for your time! >> >> >> Best Regards, >> >> Giovanni >> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "sympy" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/sympy/-MAK_y6-9Yc/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> sympy+un...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/b7fb6f7e-232d-4414-b938-1cdbab35cd76n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/sympy/b7fb6f7e-232d-4414-b938-1cdbab35cd76n%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/e3c35021-3cf3-45ba-9378-56563b582a68n%40googlegroups.com.
