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Jul 21, 2023 at 17:25 comment added J.Doe this saved me from having to interact with pymatgen.
Jul 23, 2020 at 6:21 comment added porphyrin yes, this is what I meant by using a row vector.
Jul 23, 2020 at 0:31 comment added Karsten It is allowed, but it gives a different answer unless you switch to the transpose when you switch the order, math.stackexchange.com/a/1623117/657106
Jul 22, 2020 at 17:20 comment added porphyrin I've added some code so you can see how it works.
Jul 22, 2020 at 17:18 history edited porphyrin CC BY-SA 4.0
code added
Jul 22, 2020 at 17:06 comment added porphyrin It's allowed if the 1D matrix (row vector) is of length n and the matrix n x n so the columns of the vector (n) is the same length as the rows of the matrix (n).
Jul 22, 2020 at 16:28 comment added Karsten Is the matrix set up to multiply from the right or from the left? I'm more familiar with vector times matrix rather than matrix times vector.
Jul 21, 2020 at 7:26 history answered porphyrin CC BY-SA 4.0