Newest Questions
97,743 questions
17
votes
1
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628
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How are people using the Notebook Assistant and how useful is it?
This is more of a community question than an answerable problem. If it's out of bounds I'll be happy to withdraw it. But, one year out, I'm curious as to other WL users' experiences with the ...
- 667
1
vote
1
answer
154
views
$LLL$ implementation complexity in wolfram mathematica
$LLL$ is implemented in Wolfram Mathematica as $\mathsf{LatticeReduce}$ command. If we want to reduce a rank $k\leq n$ lattice in $\mathbb Z^n$ where the generator matrix of the lattice has integral ...
- 157
4
votes
1
answer
152
views
Cut a thick arc (sector of annulus)
I have a thick arc (or it can be represented as sector of annulus), just a very simple example:
...
- 387
1
vote
0
answers
125
views
Why Interpolation with InterpolationOrder -> 1 looks smooth in 2D case?
The following code
...
- 2,100
4
votes
1
answer
127
views
Is there any efficient way to find cycle matroid of a graph?
Is there any efficient way to find cycle matroid of a graph?
A cycle matroid is basically all sets of edges in a graph that does not form a cycle.
The code below works pretty well for small graphs, ...
- 1,417
1
vote
0
answers
50
views
Collecting terms by tensor structures in FeynCalc
I have an output of the following form:
The task is to solve for the coefficients. My goal is to collect the terms by tensor structure, compare the coefficients with the right-hand side and solve the ...
- 133
1
vote
1
answer
59
views
Drawing a curved Tube through three given points [duplicate]
I need to draw a curved Tube through three given points.
For example,
points = {{1, 0, 0}, {0, 1, 1}, {-1, -1, 0}}
I found that ...
- 647
4
votes
1
answer
345
views
Removing the stubborn keybinding, Ctrl+Q, for 'Quit'
I want to disable the Ctrl+Q keyboard shortcut/keybinding, used for quitting everything. How to achieve this?
I have tried the suggestion of adding
...
- 1,306
0
votes
0
answers
83
views
Selecting notebook cells in MMA 14.3.0
I'm trying a notebook in 14.3.0 for the first time and trying to select cells for deletion, etc. But whenever I move my cursor to the cell bracket, the scroll bar expands and blocks the pointer from ...
5
votes
3
answers
436
views
How to define a matrix to be positive definite and symmetric?
I'm somewhat new to Mathematica and want to check symbolic solutions to small positive definite symmetric matrices (like 3x3 in size), which I think should in general yield a symbolic solution since ...
- 159
3
votes
1
answer
302
views
How to express Meijer G-function into a form involving well-known functions?
I'm working on MAT 14.3, I am attempting to evaluate the integral int[n] for n=0,1,2,3 in symbolic form :
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- 1,038
3
votes
3
answers
247
views
1
vote
0
answers
119
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Step by step solution of an equation - Call Wolfram|Alpha in Mathematica - 2025 version
In 2017 I used Wolfram Mathematica 11.2 and 13.0.0 (this one after 2017) to call Wolfram Alpha and get a step by step solution of an equation by using the following command:
...
- 969
0
votes
1
answer
160
views
NIntegrate on apparently simple function returning convergence issues
I am looking for a help in numerically integrating this function:
...
- 651
5
votes
3
answers
292
views
Is there an equivalent of Exponent for difference equations?
[Edited.]
For $ax^{2}+bx+c$, I can write
poly = a x^2 + b x + c;
Exponent[poly, x]
and get back 2.
I don't see a built-in ...
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