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Active 2 Bountied Hot Week Month
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1 answer
60 views

Doing a Mathematica Trial - but it can't even do this integral?

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Bob Hanlon
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-2 votes
0 answers
32 views

How to draw such a spatial geometry and calculate its volume and surface area?

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csn899
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0 votes
0 answers
37 views

NDSolve not working, one of the functions are a function of two variables

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John1023
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0 votes
0 answers
17 views

Drawing the Graph of a complex chemical reaction network

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Javier J Navarro
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5 votes
2 answers
222 views

How fit my data to sinus?

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Mariusz Iwaniuk
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14 votes
2 answers
1k views

How to reproduce Eugen Jahnke's drawing of a complex function?

cvgmt's user avatar
cvgmt
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0 votes
0 answers
62 views

Why is TeXForm giving me two different outputs?

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CrSb0001
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2 votes
3 answers
152 views

How to define a root that is obtained by FindRoot as a variable?

Bob Hanlon's user avatar
Bob Hanlon
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2 votes
1 answer
73 views

How can I determine the cycle lengths in a directed graph?

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AsukaMinato
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2 votes
3 answers
163 views

DSolve returns "Inverse functions are being used by solve; so some solutions may not be found", but it seems it returns all results

Nasser's user avatar
Nasser
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2 votes
0 answers
46 views

Expanding Pochammer symbols/Gamma function for simplifying expressions

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Sanjana
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7 votes
2 answers
395 views

Convert MATLAB code solving 1D wave equation via FFT using ode45 into Mathematica code

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xzczd
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0 votes
0 answers
20 views

Performing Efficient Select on Data with Different Time Resolution

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BesselFunct
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0 votes
1 answer
45 views

How to automatically draw the intersection line of two planes in spatial geometry?

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Daniel Huber
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0 votes
0 answers
38 views

Transform Arrowheads in VectorPlot

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Nitaa a
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0 votes
1 answer
44 views

How the function NDSolve works?

Ulrich Neumann's user avatar
Ulrich Neumann
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1 vote
0 answers
74 views

Clarification of copyright in submissions to Wolfram Function Repository

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CrSb0001
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0 votes
1 answer
36 views

Making some powers of variables inside the function : $X * \alpha^{m} *\beta^{n} f[A[x,y]] \Rightarrow X f[\alpha^{m}\beta^{n} A[x,y]]$

Bob Hanlon's user avatar
Bob Hanlon
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3 votes
4 answers
198 views

Destructuring the left-hand-side of `Optional[s:v]`

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Diffycue
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1 vote
1 answer
80 views

Should expression evaluation depend on the choice of a variable name?

Roland F's user avatar
Roland F
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2 votes
0 answers
32 views

FindMinimum(vectorized): Stepmonitor doesn't work

Ulrich Neumann's user avatar
Ulrich Neumann
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0 votes
0 answers
23 views

Use Fitting Parameter from Solve or Nminimize with LinearModelFit

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HerbertderGe
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2 votes
3 answers
109 views

How to find Maximize of $(m^2 + n^2)/(5 - m n)$ where $m$, $n$ and $(m^2 + n^2)/(5 + m n)$ are integer numbers?

cvgmt's user avatar
cvgmt
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10 votes
5 answers
2k views

Why does Mathematica not recognize a convergent series?

drer's user avatar
drer
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0 votes
0 answers
128 views

Fitting delay differential equations (DDE)

Tim's user avatar
Tim
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0 votes
0 answers
72 views

Gaussian curvature of a point cloud surface

Daniel Castro's user avatar
Daniel Castro
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2 votes
1 answer
40 views

ParametricNDSolve doesn't correctly parse black-box function involving both independent variable and parameter

xzczd's user avatar
xzczd
  • 63.8k
2 votes
2 answers
110 views

Recovering formulas for sequences with integer coefficients

Ulrich Neumann's user avatar
Ulrich Neumann
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1 vote
3 answers
124 views

Converting Wolfram Language Scripts (.wls) into PDFs

antonio's user avatar
antonio
  • 111
5 votes
2 answers
303 views

Is it possible in Mathematica to get a step-by-step evaluation of the following?

Syed's user avatar
Syed
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0 votes
0 answers
17 views

What is the meaning of shortest-path graph convering in digraph?

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BitBute
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1 vote
0 answers
39 views

Can I delete it by specifying the number of the numbered Print Cell?

CrSb0001's user avatar
CrSb0001
  • 107
1 vote
1 answer
82 views

Why is the result of "D[y == Log[x*y], x]" "0 == 1/x"? [closed]

Ulrich Neumann's user avatar
Ulrich Neumann
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3 votes
1 answer
59 views

Is there a non-allocating way to modify elements of single-reference packed arrays?

Kuba hasn't forgotten Monica's user avatar
Kuba hasn't forgotten Monica
  • 143
0 votes
1 answer
34 views

ParametricPlot not plotting domain end points

azerbajdzan's user avatar
azerbajdzan
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7 votes
7 answers
420 views

Accumulated instance count of each list element

user1066's user avatar
user1066
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2 votes
0 answers
70 views

How does Mathematica compile patterns for pattern matching?

Rui Pedro's user avatar
Rui Pedro
  • 21
1 vote
2 answers
112 views

Chi-square minimization error

Roman's user avatar
Roman
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0 votes
0 answers
80 views

Badly conditioned matrix for boundary ODE

mathemania's user avatar
mathemania
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0 votes
0 answers
43 views

Why can't Mathematica simplify $\left(e^{t/m}(gm)^{1/k}\right)^{-k}$? [duplicate]

Domen's user avatar
Domen
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4 votes
2 answers
178 views

Nonlinear model fit not working

Bob Hanlon's user avatar
Bob Hanlon
  • 152k
0 votes
0 answers
67 views

Method of lines - Dirichlet and mixed BC

Larissa Santos's user avatar
Larissa Santos
  • 61
3 votes
1 answer
52 views

Listing most recently modified sections in Notebook?

Carl Woll's user avatar
Carl Woll
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2 votes
1 answer
102 views

Extending an Animated Vector Flow from Two to Three Dimensions

cvgmt's user avatar
cvgmt
  • 63.8k
0 votes
0 answers
21 views

Manual updating of function in Do loop

Jole Stock's user avatar
Jole Stock
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15 votes
1 answer
622 views

How can we plot Man Ray's "Shakespearean Equation" w == e^(1/z)?

eldo's user avatar
eldo
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1 vote
1 answer
104 views

Unable to improve accuracy of MethodOfLines

xzczd's user avatar
xzczd
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9 votes
5 answers
3k views

Digits of Pi in colored spiral

Syed's user avatar
Syed
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