Questions tagged [broken-code]
Use this tag only if you did your research and you still don't know why your syntactically correct code does not work.
114
questions
0
votes
0
answers
41
views
Why am I getting this error? Set::setraw: Cannot assign to raw object 73
Here is my code. I tried all modifications to this code but I'm not able to resolve the problem. Can anyone tell me why am I getting this error?
...
0
votes
0
answers
89
views
SoftmaxLayer with one-hot vectors
The quantum physics problem I am looking at is a rotated qubit. The setup involves a y-rotated qubit measured in the z-basis (hence spin-up and spin-down). This scenario typically includes modeling ...
1
vote
1
answer
89
views
Most efficient way of defining the following sets for every step $n$
For each $n\in\mathbb{N}$, how do we compute sets $A_n$ and $B_n$ below:
Let $A_1=[0,2/3)$. Let $B_1=(2/3,1]$.
If $A_n$ is a union of intervals, then for each interval cut out the
middle $1/2^{n+1}$ ...
0
votes
1
answer
64
views
Generate all commutators and anti-commutators up to a certain order of a list of matrices
I am given a list of matrices. At first order I want to evaluate the commutators and anti-commutators of all pairs in the list and return a new list that contains two lists: one containing all ...
1
vote
0
answers
36
views
Define a function using symbolic constants [closed]
I want to calculate the derivative and find critical points of the following function:
$\begin{equation}
\frac{(w+w_s)(w^2+w_s^2)L^2C^3}{(wR^2C+(w^2 LC-1)^2)(w_s R^2C+(w_s^2 LC-1)^2)} \end{equation}$
...
2
votes
1
answer
88
views
Alternative Representation for Energy Levels and Energy Level Density
I need to show the energy level density around the local maximum of this double-well potential. I can do it using the following:
...
8
votes
1
answer
251
views
Unicode symbols not encoded properly in BarcodeImage[] in Mathematica 13.3
Trying to generate a simple QR code with ← or U+2190. I got varying results: the same in Mathematica versions 12.3 and 13.1 but very different in version 13.3.
Mathematica 13.3 was updated to ...
0
votes
0
answers
111
views
Integrate function differing from RUBI's Int function in version 13.3.0
I had Mathematica Version 12.3.1 Student Edition and Integrate and RUBI's Int functions produced the same answers for my purposes with good results. I updated my version to 13.3.0 Student Edition and ...
2
votes
1
answer
197
views
Python Code to Mathematica for Classical Map of Kicked Top
I am trying to convert this Python code for Classical map of kicked top to Mathematica.
For a single trajectory, I am able to ...
0
votes
1
answer
197
views
Fixing a code which covers $[-k,k]\times[-k,k]$ for a given $k\in\mathbb{N}$, with smaller rectangles of equal area?
Motivation: From this post we, initially, wanted to cover a rectangle using smaller, non-overlapping rectangles with the same area: the difference between the total area of the smaller rectangles and ...
1
vote
3
answers
84
views
Labeling point coordinates in path graph using VertexLabels
Question: How do we label point coordinates in Pathgraph using VertexLabels.
Suppose we have a list of points ...
0
votes
0
answers
54
views
Part specification error
I am doing a solved exercise shared here.
However, while running the code, I encountered an error on page-8, under the Dynamics section.
with error :
I think this error is due to the absence of ...
3
votes
2
answers
176
views
0
votes
1
answer
62
views
Why does the following code not change the table?
Consider the following code:
...
5
votes
4
answers
301
views
Efficient generation of n-bit base-m Gray code with adjacent bit changes
How can I generate n-bit base-m Gray code in Mathematica, where only 1 bit changes at a time and all possibilities are covered? I have been hitting my head against a metaphorical wall for a few hours ...