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The continuous case of the Hofstadter's Q-Sequence.

CONTRIBUTED BY: Ed Pegg | 34 minutes ago BY: EDITORIAL BOARD
1
REPLIES
37
VIEWS

Diffusion through a nonisothermal spherical film

CONTRIBUTED BY: Housam Binous | 5 hours ago BY: EDITORIAL BOARD
1
REPLIES
87
VIEWS

Resource function for the numerical solution of certain nonlinear integral equations

CONTRIBUTED BY: Daniele Gregori | 22 hours ago BY: EDITORIAL BOARD
1
REPLIES
167
VIEWS
All Discussions

Export GeoGraphics output to vector graphics

QUESTION FROM: Ehud Behar | 1 hour ago BY: Ian Hojnicki
Geographic Information System , Wolfram Language
1
REPLIES
12
VIEWS

Computing integral errors: Mathematica vs Matlab Simulink

QUESTION FROM: Housam Binous | 3 hours ago
Chemistry , Control Systems , Engineering , ...
0
REPLIES
24
VIEWS

Seeking examples of "Ruliology"

QUESTION FROM: Ellynne DEC | 21 hours ago BY: Vitaliy Kaurov
Mathematics , Physics , Wolfram Language , Wolfram Science
1
REPLIES
105
VIEWS

Automated completing the square for multivariate polynomials with mixed quadratic forms

QUESTION FROM: Wen Dao | 7 hours ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
2
REPLIES
98
VIEWS

Documentation says we can provide a loss layer to NetTrain as 3rd argument, why doesn't this work?

QUESTION FROM: Iuval Clejan | 1 day ago BY: Iuval Clejan
Data Science , Neural Networks , Wolfram Language
2
REPLIES
130
VIEWS

Seemingly simple JLink Java/Kotlin statement not working

QUESTION FROM: Roger Backhus | 2 days ago
External Programs and Systems , Wolfram Language
0
REPLIES
128
VIEWS

How to modify this code to correctly analyze the monotonicity of a function over a given interval

QUESTION FROM: Wen Dao | 2 days ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
1
REPLIES
244
VIEWS

Anticommuting spinor calculations

QUESTION FROM: Todd Rowland | 2 days ago BY: Mohammad Bahrami
Algebra , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
294
VIEWS

How to move axes labels to the left and bottom in a Mathematica Plot

QUESTION FROM: Wen Dao | 2 days ago BY: Jim Baldwin
Graphics and Visualization , Wolfram Language
2
REPLIES
311
VIEWS

Does Wolfram still sponsor competitions?

QUESTION FROM: Aahan Mahakud | 4 days ago
Education , Events & Media , Wolfram Language
0
REPLIES
367
VIEWS

Problem with evaluating the Trace of Hadronic tensor of spin 3/2 particle

QUESTION FROM: Yogeesh N | 5 days ago
Astronomy , Packages , Physics , Wolfram Language
0
REPLIES
357
VIEWS

Training data as probability vectors, or several possible classes for each input?

QUESTION FROM: Iuval Clejan | 5 days ago BY: Iuval Clejan
Data Science , Neural Networks , Wolfram Language
3
REPLIES
427
VIEWS

Best optimization for maximum entropy?

QUESTION FROM: Gareth Russell | 2 days ago BY: Gareth Russell
Optimization , Mathematics , Numerical Computation , ...
6
REPLIES
469
VIEWS

Prefactor for symmetrize to match standard definition of wedge tensors with full antisymmetry

QUESTION FROM: Izhak Manilov | 9 days ago BY: Izhak Manilov
Algebra , Calculus , Mathematics , Wolfram Language
1
REPLIES
499
VIEWS

Why doesn't the Wolfram Cloud display Tabular objects like the desktop version of Mathematica?

QUESTION FROM: Todd Allen | 8 days ago BY: John Pacey
Wolfram Cloud , Wolfram Language
2
REPLIES
591
VIEWS

Speeding up random search

QUESTION FROM: Frank Kampas | 10 days ago
Optimization , Mathematics , Tuning and Debugging , Wolfram Language
0
REPLIES
496
VIEWS

WolframAlpha API returns CalculateUtilities wrapper within MathML output

QUESTION FROM: Jörn Loviscach | 11 days ago
Mathematics , Wolfram|Alpha
0
REPLIES
539
VIEWS

Why isn't the graph of the equation a line and a circle?

QUESTION FROM: Wen Dao | 13 days ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
699
VIEWS

Finding the exact range of a function involving exponential and quadratic terms

QUESTION FROM: Wen Dao | 13 days ago BY: Gianluca Gorni
Optimization , Mathematics , Wolfram Language
2
REPLIES
753
VIEWS

Is symbolic input to a network supported?

QUESTION FROM: Iuval Clejan | 13 days ago BY: Giulio Alessandrini
Data Science , Neural Networks , Wolfram Language
1
REPLIES
735
VIEWS

Nonlinearity in inputs without activation function layers?

QUESTION FROM: Iuval Clejan | 7 days ago BY: Iuval Clejan
Data Science , Neural Networks , Wolfram Language
7
REPLIES
937
VIEWS

Is there a function that predicts local minimums in 0<x<1 for this function?

QUESTION FROM: Jack Fallows | 15 days ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
2
REPLIES
781
VIEWS

Solve function yields empty set answer

QUESTION FROM: Jay Schultz | 7 days ago BY: Hekarl Uzir
Algebra , Equation Solving , Mathematics , Wolfram Language
7
REPLIES
1K
VIEWS

Ordering four points into a closed quadrilateral with Wolfram

QUESTION FROM: Jim Clinton | 17 days ago BY: Hans Milton
Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
782
VIEWS

Keyboard shortcut for the pseudo inverse

QUESTION FROM: Paul Cally | 17 days ago
Algebra , Mathematics , User Interface , Wolfram Language
0
REPLIES
789
VIEWS

Unexpected result from Area of polygon?

QUESTION FROM: Jim Clinton | 17 days ago BY: Jim Clinton
Geometry , Mathematics , Wolfram Language
3
REPLIES
908
VIEWS

Calculating the area and perimeter of the curve

QUESTION FROM: Jim Clinton | 17 days ago BY: Jim Clinton
Geometry , Mathematics , Wolfram Language
2
REPLIES
845
VIEWS

Multi-computational modeling of AI alignment using rulial space

QUESTION FROM: Modise Seemela | 21 days ago
Astronomy , Engineering , Graphics and Visualization , ...
0
REPLIES
865
VIEWS

How to set up a simple feedforward classifying network on real input vectors

QUESTION FROM: Iuval Clejan | 21 days ago BY: Iuval Clejan
Data Science , Neural Networks , Wolfram Language
2
REPLIES
958
VIEWS

Does the added notebook reveal a buck in function VectorPlot?

QUESTION FROM: Ulrich Mutze | 21 days ago BY: Gianluca Gorni
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
876
VIEWS

Determining whether a line is tangent to a curve

QUESTION FROM: Wen Dao | 21 days ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
865
VIEWS

Rounding a number to a specific significant figure in Wolfram Alpha is not working properly

QUESTION FROM: Tanvir Zawad | 22 days ago BY: David Keith
Mathematics , Wolfram|Alpha
4
REPLIES
755
VIEWS

CH4 molecular geometry: model verification and minimal enclosing tetrahedron

QUESTION FROM: Wen Dao | 26 days ago
Chemistry , Geometry , Graphics and Visualization , Wolfram Language
0
REPLIES
771
VIEWS

Copying text and pasting to an external file replaces some characters

QUESTION FROM: Gareth Russell | 27 days ago BY: Gareth Russell
Presentation and Notebooks , User Interface , Wolfram Language
2
REPLIES
423
VIEWS

Shift Error in GeoElevationGraphics3D[]

QUESTION FROM: Yeonjoon Park | 26 days ago BY: Yeonjoon Park
Geographic Information System , Graphics and Visualization , ...
2
REPLIES
544
VIEWS

How to complete the square for a specific part of an expression?

QUESTION FROM: Wen Dao | 25 days ago BY: Gianluca Gorni
Mathematics , Wolfram Language
5
REPLIES
518
VIEWS

Norm[] of real vector

QUESTION FROM: Jay Gourley | 29 days ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
3
REPLIES
779
VIEWS

Equations of the sides of a regular octagon inscribed in x² + y² = 2 with four vertices on the axes

QUESTION FROM: Wen Dao | 29 days ago BY: Wen Dao
Geometry , Mathematics , Wolfram Language
4
REPLIES
731
VIEWS

PlotLegends not showing for individual equations in ContourPlot

QUESTION FROM: Wen Dao | 30 days ago BY: Wen Dao
Graphics and Visualization , Wolfram Language
4
REPLIES
398
VIEWS

From theory to application: modeling satellite conjunction scenarios in branchial space

QUESTION FROM: Modise Seemela | 1 month ago
Astronomy , Graphics and Visualization , Physics , Wolfram Language
0
REPLIES
795
VIEWS

Different outputs when using numerics vs variables

QUESTION FROM: Clifford Kelley | 1 month ago BY: Bill Nelson
Mathematics , Wolfram Language
5
REPLIES
495
VIEWS

Can you force reset the clipboard without quitting?

QUESTION FROM: Travis Scott | 1 month ago
Mathematica , Wolfram Language
0
REPLIES
752
VIEWS

How to draw the asymptotes of the tangent function as red dashed lines?

QUESTION FROM: Jim Clinton | 1 month ago BY: Eric Rimbey
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
415
VIEWS

Low resolution country borders in GeoGraphics

QUESTION FROM: Gareth Russell | 1 month ago BY: Gareth Russell
Geographic Information System , Graphics and Visualization , ...
2
REPLIES
477
VIEWS

FunctionRange with unit circle and fixed angle constraints takes long time

QUESTION FROM: Wen Dao | 26 days ago BY: Wen Dao
Mathematics , Tuning and Debugging , Wolfram Language
11
REPLIES
927
VIEWS

How to reproduce the behavior of MemberQ[{a, b}, a] using MatchQ instead

QUESTION FROM: Andrew D | 1 month ago BY: Michael Rogers
Wolfram Language
5
REPLIES
412
VIEWS

How can I prevent other users from seeing my Input Cells?

QUESTION FROM: Yeonjoon Park | 1 month ago BY: Eric Rimbey
Computable Document Format , Cryptography , Dynamic Interactivity , ...
4
REPLIES
955
VIEWS

Solve numericizes after turning mathematica off and on again

QUESTION FROM: Luis Felipe Massena Misiec | 1 month ago BY: Luis Felipe Massena Misiec
Data Science , Equation Solving , Image Processing , Mathematics , ...
6
REPLIES
1K
VIEWS

Wolfram video processing is too slow for real-life situations

QUESTION FROM: Jaques Secretin | 17 days ago BY: Carlo Giacometti
Tuning and Debugging , Video Processing , Wolfram Language
12
REPLIES
1.1K
VIEWS

Wolfram Alpha queries give missing() on the step-by-step in V14.3

QUESTION FROM: Larry Dale Snelling | 1 month ago
Mathematics , Wolfram|Alpha , Wolfram|Alpha Integration
0
REPLIES
498
VIEWS

How to output letter case relations based on size relations?

QUESTION FROM: Jim Clinton | 1 month ago BY: Michael Rogers
Wolfram Language
5
REPLIES
310
VIEWS

Strange behaviour of DateString when TimeZone is set to DateObject under WolframCloud

QUESTION FROM: Teemu Ahola | 1 month ago BY: Nick Lariviere
Units , Wolfram Cloud , Wolfram Language
5
REPLIES
693
VIEWS

Why does the result obtained using this method turn out to be incorrect?

QUESTION FROM: Wen Dao | 1 month ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
914
VIEWS

How to compare sizes/orders using a logarithmic equality?

QUESTION FROM: Wen Dao | 1 month ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
948
VIEWS

Vertical scroll bar doesn't respond to touch in V14.3

QUESTION FROM: Jim Clinton | 1 month ago BY: Henrik Schachner
Mathematica , User Interface
3
REPLIES
1.1K
VIEWS

How to change the default magnification of new notebooks in the front end?

QUESTION FROM: Andrew D | 1 month ago
Accessibility , Mathematica , Presentation and Notebooks , ...
0
REPLIES
803
VIEWS

What is the "best" or "Wolfram canonical" way to remove elements in a list according to a condition?

QUESTION FROM: Andrew D | 1 month ago BY: Andrew D
Wolfram Language
5
REPLIES
391
VIEWS

Separating variables *a* and *b* in a transcendental equation

QUESTION FROM: Wen Dao | 1 month ago BY: Wen Dao
Algebra , Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
902
VIEWS

Evaluate the validity of the inequalities under the given conditions

QUESTION FROM: Wen Dao | 1 month ago BY: Wen Dao
Algebra , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
987
VIEWS

Eliminating duplicate pairings in permutation-based partitions

QUESTION FROM: Jim Clinton | 1 month ago BY: Hans Milton
Wolfram Language
3
REPLIES
412
VIEWS

Adding Information to custom objects

QUESTION FROM: Andreas Hafver | 1 month ago BY: Andreas Hafver
Data Science , Neural Networks , Packages , Wolfram Language
2
REPLIES
930
VIEWS

Variational iterative method for system fractional DE with Katugampola derivative?

QUESTION FROM: SARIKA SAWANT | 1 month ago BY: Mohammad Bahrami
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
925
VIEWS

Transforming Equal Output to Include Inequality in Mathematica

QUESTION FROM: Wen Dao | 1 month ago BY: Wen Dao
Wolfram Language
2
REPLIES
345
VIEWS

Can multiple Mathematica versions, differing only in the minor version number, peacefully coexist?

QUESTION FROM: Andrew D | 1 month ago BY: Hans Milton
Mathematica , Wolfram Language
1
REPLIES
944
VIEWS

Coefficient extraction for x^2, y^2,xy and x,y

QUESTION FROM: Wen Dao | 1 month ago BY: Wen Dao
Algebra , Mathematics , Wolfram Language
4
REPLIES
799
VIEWS

Message bar is hard to read in dark mode

QUESTION FROM: Andrew Biaglow | 1 month ago BY: Lewis William Quaye
Mathematica , User Interface , Wolfram Language
1
REPLIES
912
VIEWS

Flattening multilevel list formats

QUESTION FROM: Jim Clinton | 1 month ago BY: Jim Clinton
Wolfram Language
5
REPLIES
366
VIEWS

How can I get the calculation result to show as a percentage?

QUESTION FROM: Jeff Li | 1 month ago BY: Bill Nelson
Mathematics , Wolfram|Alpha
1
REPLIES
543
VIEWS

How to delete all instances of -1 from a table?

QUESTION FROM: Chris Agee | 1 month ago BY: Chris Agee
Wolfram Language
7
REPLIES
438
VIEWS

Entering a data search for mutual fund data

QUESTION FROM: Mitchell Sandlin | 1 month ago BY: Lewis William Quaye
Curated Data , Data Science , Finance , Wolfram Language
1
REPLIES
732
VIEWS

What is the strict meaning of the Patience parameter in NetTrain?

QUESTION FROM: Vladimir Ivanov | 1 month ago
Data Science , Neural Networks , Wolfram Language
0
REPLIES
753
VIEWS

Palette created in v14.3 ignores magnification control

QUESTION FROM: Hans Milton | 1 month ago BY: Hans Milton
Interface Construction , Wolfram Language
4
REPLIES
491
VIEWS

VideoObjectTracking in 14.3: using Method option in when tracking points

QUESTION FROM: Dinesh Rao | 1 month ago
Video Processing , Wolfram Language
0
REPLIES
360
VIEWS

Issues with HHL algorithm implementation

QUESTION FROM: A D | 1 month ago BY: Mohammad Bahrami
Packages , Physics , Wolfram Language
1
REPLIES
665
VIEWS

Integral of Sqrt[1-x^2] appears wrong in Wolfram Alpha

QUESTION FROM: M Bennett | 1 month ago BY: M Bennett
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
1K
VIEWS

I could with V14.2. Why can I no longer scroll my touch screen with my finger with V14.3?

QUESTION FROM: Henrick Jeanty | 26 days ago BY: Henrick Jeanty
Mathematica , User Interface , Wolfram Language
5
REPLIES
1.2K
VIEWS

How can I update a CloudDeploy using the same link?

QUESTION FROM: Ricardo MARTINEZ-LAGUNES | 1 month ago BY: Ricardo MARTINEZ-LAGUNES
Dynamic Interactivity , Graphics and Visualization , Wolfram Cloud , ...
4
REPLIES
942
VIEWS

Making efficient direct simulation Monte Carlo code

QUESTION FROM: Maksym Ovchynnikov | 1 month ago BY: EDITORIAL BOARD
Compilation , Modeling , Physics , Software Development , ...
1
REPLIES
606
VIEWS

How to draw a frequency distribution histogram?

QUESTION FROM: Jim Clinton | 1 month ago BY: Hans Milton
Statistics and Probability
4
REPLIES
775
VIEWS

What's missing in connection between the prime number theorem and the MRB constant?

QUESTION FROM: Marvin Ray Burns A.G.S. (cum laude) | 1 month ago
Graphics and Visualization , Mathematics , Numerical Computation , ...
0
REPLIES
566
VIEWS

Getting empty plot?

QUESTION FROM: Ehsan Staretud1 | 1 month ago BY: Mariusz Iwaniuk
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
428
VIEWS

How to draw a probability tree diagram?

QUESTION FROM: Jim Clinton | 1 month ago BY: Jim Clinton
Graphs and Networks , Statistics and Probability , Wolfram Language
2
REPLIES
628
VIEWS

How to Use FullSimplify to breakdown algebraic expression

QUESTION FROM: James Parkus | 1 month ago BY: James Parkus
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
882
VIEWS

Implementing "Master Series" (msr) function in Wolfram Alpha

QUESTION FROM: Sergey Berezin | 2 months ago
Mathematics , Wolfram|Alpha
0
REPLIES
412
VIEWS

Determining the condition for a rational expression in k to be constant: coefficient ratio analys

QUESTION FROM: Jim Clinton | 2 months ago BY: Jim Clinton
Calculus , Mathematics , Wolfram Language
4
REPLIES
883
VIEWS

How to create circular arcs with arrowheads?

QUESTION FROM: Richard Frost | 2 months ago BY: Henrik Schachner
Graphics and Visualization , Wolfram Language
2
REPLIES
411
VIEWS

How can I sort pivot tables with aggregates?

QUESTION FROM: Ricardo MARTINEZ-LAGUNES | 1 month ago BY: Ricardo MARTINEZ-LAGUNES
Data Science , Wolfram Language
8
REPLIES
1.1K
VIEWS

Is there an easy way to add columns to data created with Tabular?

QUESTION FROM: Ricardo MARTINEZ-LAGUNES | 1 month ago BY: Lewis William Quaye
Data Science , Wolfram Language
5
REPLIES
866
VIEWS

Notebook Assistant separate community?

QUESTION FROM: Bruce Tedesco | 2 months ago
External Programs and Systems , Machine Learning , ...
0
REPLIES
677
VIEWS

Does Wolfram have any plan to support elliptic curve?

QUESTION FROM: wayne wang | 2 months ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
348
VIEWS

Interval boundary m when a quadratic has min 2 and max 3

QUESTION FROM: Jim Clinton | 1 month ago BY: Gianluca Gorni
Mathematics , Wolfram Language
9
REPLIES
597
VIEWS

Mathematica Journal

QUESTION FROM: Steve M | 2 months ago
Authoring and Publishing , Mathematica , Wolfram Language
0
REPLIES
905
VIEWS

Simplifying a term to achieve a certain result

QUESTION FROM: Jim Clinton | 2 months ago BY: Jim Clinton
Algebra , Mathematics , Wolfram Language
4
REPLIES
524
VIEWS

Divergence of a tensor in curvilinear coordinates

QUESTION FROM: Sinval Santos | 2 months ago
Mathematics , Wolfram Language
0
REPLIES
268
VIEWS

Why is my GPU running so slowly?

QUESTION FROM: Jürgen Kanz | 1 month ago BY: Jürgen Kanz
Data Science , High-Performance Computing , Neural Networks , ...
2
REPLIES
1.1K
VIEWS

What approach would yield the six integer variables satisfying all given constraints?

QUESTION FROM: Jim Clinton | 2 months ago BY: Updating Name
Calculus
7
REPLIES
820
VIEWS

Dividing Polynomials by Coefficients to Obtain a Specific Form in Mathematica

QUESTION FROM: Jim Clinton | 2 months ago BY: Updating Name
Mathematics
1
REPLIES
446
VIEWS

Converting a Venn diagram into a logic statement

QUESTION FROM: Mitchell Sandlin | 2 months ago
Graphics and Visualization , Logic and Boolean Algebra , ...
0
REPLIES
499
VIEWS

What is wrong with WhenEvent ?

QUESTION FROM: Mikhail Khenner | 2 months ago BY: Mikhail Khenner
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1K
VIEWS

The Dædælus efficiency model: a formal comparison of bandwidth- and transaction-multiplexing

QUESTION FROM: Dean Gladish | 2 months ago
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
0
REPLIES
778
VIEWS
1
2
3
4
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