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Results tagged with list-manipulation
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user 55171
Questions on the manipulation of List objects in Mathematica, and the functions used for these manipulations.
0
votes
0
answers
62
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Normalising parts in a list
I have a list of lists of coordinates that I'm using to make a density plot. A simplified version of this list would be something like
list={{{0,1},{1,2},{2,3},{3,4}},{{3,2},{2,3},{1,4},{0,5}},{{3,1} …
- 197
5
votes
7
answers
436
views
How to count elements of lists within lists
If I have some list of lists of coordinates, i.e.
list={{{0,1},{1,2},{2,3},{3,4}},{{3,2},{2,3},{1,4},{0,5}},{{3,1},{2,2},{2,4},{3,5}}}
how can I count how many of the y coordinates in each of the l …
- 197
1
vote
2
answers
2k
views
How to apply a partial transpose to a list of matrices
If I start with some 4x4 input matrix
$\rho=
\begin{pmatrix}
0&0&0&0\\
0&1&0&0\\
0&0&0&0\\
0&0&0&0
\end{pmatrix}
$
and evolve this according to the unitary evolution operator
$U=e^{-iHt}$
where $H …
- 197
1
vote
2
answers
54
views
Storing one of two outputs of For loop
I have a set of data:
Rawdata={-0.462475, -0.477504, -0.393686, -0.217328, 0.105685, 0.443379, 0.627285, 0.534236, 0.165977, -0.296604, -0.432765, 0.0851257, 0.136757, 0.0293745, -0.411645, -0.322851 …
- 197
0
votes
1
answer
59
views
How can I apply a matrix manipulation operation to each matrix in a list? [closed]
I have a list of matrices generated by the code
HZ = (0.03/4)*(KroneckerProduct[PauliMatrix[1], PauliMatrix[1]] +
KroneckerProduct[PauliMatrix[2], PauliMatrix[2]] +
KroneckerProduct[PauliMatrix[3 …
- 197