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.
16
questions with no upvoted or accepted answers
2
votes
0
answers
46
views
ParallelTry Hangs on previously working code
When I run the below ParallelTry command, it just sits on it and says its being evaluated, but I cant abort it, it doesn't return what I am expecting, and I have to ...
- 557
1
vote
0
answers
28
views
How to attach Upvalues to CompoundExpression?
I'm trying to make something like this work:
Evaluating
someData // Query[whatever...] /* summarizeInPrettyWay /* promptToRemoveCompoundExpression ;
should produce
...
- 322
1
vote
0
answers
104
views
How to fix Mathematica crashing in the following case?
I have a problem with Mathematica when trying to glue two tables together.
The tables have the form
...
- 4,642
1
vote
0
answers
51
views
Possible bug: Wrong differentiation of ParametricFunction inside Parallelize?
In the note RootSearch problem when called from within ParallelDo
I described the problem with Ted Ersek's RootSearch package and came to the conclusion that it is ...
- 749
1
vote
0
answers
139
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RootSearch problem when called from within ParallelDo
I have been using Ted Ersek's RootSearch package for Wolfram Mathematica for many years. The package worked great, including inside the ...
- 749
1
vote
0
answers
33
views
Inconsistency when adding a variable to an analysis
I have a system of three ODEs that I want to find the steady states of, and whether or not they're stable via a simple analysis. To do so, I just calculate the eigenvalues of the Jacobian evaluated at ...
- 11
0
votes
0
answers
106
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 ...
- 9
0
votes
0
answers
52
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 ...
- 1,524
0
votes
1
answer
273
views
Why are the results of these codes different?
I apologize for the very long question with a relatively complicated code. I am dealing with a real problem, and the question below appeared from my attempt to simplify this problem to ask about it ...
- 4,642
0
votes
0
answers
72
views
How do we define the function near the end of my post?
Suppose I have two sets $F_{1,n}$ and $F_{2,n}$ written as:
...
- 39
0
votes
0
answers
38
views
Problem with ToExpression and TexForm changing two variables multiplied together into one multi-lettered variable
I have a problem where if I multiply two variables a c in Mathematica, then copy as LaTeX (or just use the Mathematica output) to get a c, then put it in ToExpression["a c",TeXForm], I get ...
- 9
0
votes
0
answers
52
views
If definition of elements in table
I need to define a table where the definition of the elements differs if the indices $i$ and $j$ are equal or different. In particular I have to implement the following formula $$(K_1^{(1)}(m_1,m_2))_{...
- 115
0
votes
0
answers
90
views
Reduce method not working for system of equations
I have the following code which sets up a Reduce function call:
...
0
votes
0
answers
46
views
How to create 2-D or 3-D curves to simulate something like the SIR model
I don’t know what is wrong with my code. I am trying to create 2-D or 3-D curves to simulate something like the SIR model, but with tumor growth instead.
It is a proliferation-invasion/ reaction-...
0
votes
0
answers
97
views
Error in Monte Carlo simulation. Now Random walk (dotted curve) doesn't fit to the analytical curve (dashed curve)
I've been trying to code a kinetic monte carlo simulation for a system of consecutive chemical reactions using a fixed (repaired) code that the user flinty gives me in the last questions I post:
...
- 13
0
votes
0
answers
313
views
Fourier Transform and Inverse Fourier Transform of Lists
I am trying to compute the Fourier transform of a list, say an array of the form {{t1, y[t1]},.....{tn, y[tn]}}; apply some filters in the spectral components, and then back transform in time domain.
...
- 153