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Staff Picks

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

Upper plot margin depends on string length of upper horizontal axis label

QUESTION FROM: Milenko Rubin-Zuzic | 10 years ago
Graphics and Visualization , Wolfram Language
0
REPLIES
3.9K
VIEWS

Packages Dependencys

QUESTION FROM: Mikel Antoñana | 10 years ago
Computer Science , Mathematica , Packages
0
REPLIES
3.7K
VIEWS

Choice of sections in a written notebook

QUESTION FROM: Leo James | 10 years ago
Mathematics , Wolfram Language
0
REPLIES
2.9K
VIEWS

Why does this API call result in a computation error?

QUESTION FROM: Stephen McGreal | 10 years ago
Wolfram|Alpha
0
REPLIES
10.7K
VIEWS

Working with GPS, vehicle distances - OpenStreetMap communication problem

QUESTION FROM: valentas gruzauskas | 10 years ago
Control Systems , External Programs and Systems , ...
0
REPLIES
6.6K
VIEWS

How to solve an underdetermined system in Mathematica

QUESTION FROM: peter azizi | 10 years ago
Aerospace Engineering , Wolfram Language
0
REPLIES
9.2K
VIEWS

Genotype, Pheontype and AI

CONTRIBUTED BY: Todd Rowland | 10 years ago
Biological Sciences , Computer Science , Education , ...
0
REPLIES
6.5K
VIEWS

Online Prediction Interface with SystemModeler and Mathematica

CONTRIBUTED BY: Patrik Ekenberg | 10 years ago
Dynamic Interactivity , Industrial Engineering , SystemModeler
0
REPLIES
6.4K
VIEWS

Run Mathematica in PS3, XBOX or PS4

CONTRIBUTED BY: Daniel Carvalho | 10 years ago
High-Performance Computing , Mathematica
0
REPLIES
7.5K
VIEWS

Trouble shooting: alpha widget installed but doesn't work.

QUESTION FROM: Glen Pavelich | 10 years ago
Units , Wolfram|Alpha
0
REPLIES
11.5K
VIEWS

Echo server with Mathematica

QUESTION FROM: Mark Messa | 10 years ago
Mathematica , Operating System and Network Access
0
REPLIES
3.2K
VIEWS

Regression F-test in LinearModelFit

QUESTION FROM: E. L. Perry | 10 years ago
Mathematics , Statistics and Probability , Wolfram Language
0
REPLIES
4K
VIEWS

LibraryLink Example with OpenCV from Macports

CONTRIBUTED BY: Shenghui Yang | 10 years ago
Computer Science , External Programs and Systems , gridMathematica , ...
0
REPLIES
6.7K
VIEWS

Quest for equilateral triangles of triples of points

QUESTION FROM: Udo Krause | 10 years ago
Graphics and Visualization , Mathematica , Recreation
0
REPLIES
3.9K
VIEWS

ImageMeasurements "energy" calculation

QUESTION FROM: Mike Noy | 10 years ago
Image Processing , Wolfram Language
0
REPLIES
2K
VIEWS

How to transform Mathematica to MS equation 3.0 ? (I use MS word 2010)

QUESTION FROM: Hogeol Lim | 10 years ago
External Programs and Systems , Import and Export
0
REPLIES
4.3K
VIEWS

A few new results involving sums of n^(1/n)

CONTRIBUTED BY: Marvin Ray Burns A.G.S. (cum laude) | 10 years ago
Mathematica , Mathematics , Numerical Computation
0
REPLIES
3.4K
VIEWS

What is the objective function in NonlinearModelFit?

QUESTION FROM: Otto Linsuain | 10 years ago
Data Science , Engineering , Optimization , Numerical Computation , ...
0
REPLIES
4K
VIEWS

Suggestions for the Mathematica Graphics Paradigm

CONTRIBUTED BY: David J M Park Jr | 10 years ago
Graphics and Visualization , Wolfram Language
0
REPLIES
2.8K
VIEWS

The largest prime Mathematica evaluate

QUESTION FROM: Tasneem Smadi | 10 years ago
Mathematics , Wolfram Language
0
REPLIES
3.9K
VIEWS

Simulation of the precession of Mercury

CONTRIBUTED BY: sean roubion | 10 years ago
Astronomy , Calculus , Mathematica , Physics
0
REPLIES
5.8K
VIEWS

More on bug of multiple edges graphs

CONTRIBUTED BY: E Martin | 10 years ago
Graphics and Visualization , Graphs and Networks , Operations Research
0
REPLIES
4.7K
VIEWS

"Prime Remainders" visualization

CONTRIBUTED BY: Vitaliy Kaurov | 10 years ago
Graphics and Visualization , Mathematics , Wolfram Language , ...
0
REPLIES
2.7K
VIEWS

EquationTrekker does not work in 10.3 on windows 7

QUESTION FROM: Nasser M. Abbasi | 10 years ago
Mathematica
0
REPLIES
3.2K
VIEWS

A problem about boolean algebras

QUESTION FROM: Victor Porton | 10 years ago
Logic and Boolean Algebra
0
REPLIES
4.7K
VIEWS

Relationships among Defer, Interpretation, Hold, Unevaluated, Inactivate

QUESTION FROM: Murray Eisenberg | 10 years ago
Mathematica , Wolfram Language
0
REPLIES
2.8K
VIEWS

Critical value of KolmogorovSmirnovTest ?

QUESTION FROM: martin martin | 10 years ago
Statistics and Probability , Wolfram Language
0
REPLIES
3K
VIEWS

New downloadable example: Bend It Like Beckham

CONTRIBUTED BY: Markus Dahl | 10 years ago
Physics , SystemModeler
0
REPLIES
5.5K
VIEWS

Control Front End in "mathlink" mode

QUESTION FROM: Patrick Scheibe | 10 years ago
Interface Construction , Mathematica , User Interface
0
REPLIES
4.7K
VIEWS

Packing infinite rectangles

QUESTION FROM: Ed Pegg | 10 years ago
Discrete Mathematics , Geometry , Mathematics , Recreation , ...
0
REPLIES
4.2K
VIEWS

Can Wolfram Alpha's Mathematica to carry out a design of experiment?

QUESTION FROM: M Messenger | 10 years ago
Mathematics
0
REPLIES
2.9K
VIEWS

OutputResponse->method

QUESTION FROM: xiao tao | 10 years ago
Control Systems , Wolfram Language
0
REPLIES
4K
VIEWS

RC first order system - solving DEs with laplace transform

QUESTION FROM: Pawel Wozniak | 10 years ago
Engineering , Mathematics , Physics , Signal Processing , ...
0
REPLIES
4K
VIEWS

Eigenvalues of large mixed integer / symbolic matrix

QUESTION FROM: asifilyas777 ilyas | 10 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
2.1K
VIEWS

NIntegrate - SymbolicPiecewiseSubdivision

QUESTION FROM: Nathan Woods | 10 years ago
Calculus , Mathematics , Numerical Computation , Wolfram Language
0
REPLIES
3K
VIEWS

Import::mpsmr: Warning: Multiple right-hand sides found in MPS data input.

QUESTION FROM: Uwe Gotzes | 10 years ago
Mathematica
0
REPLIES
2.2K
VIEWS

[Jobs] Project Engineer - Electrical/Mechanical [AC Kinetics, Inc]

CONTRIBUTED BY: Neil Singer | 10 years ago
Control Systems , Engineering , Jobs & More Exchange , Mathematica , ...
0
REPLIES
7.7K
VIEWS

Can you use an EC Fan with the Raspberry Pi

QUESTION FROM: Callum Cook | 10 years ago
Connected Devices , Engineering , Interface Construction , ...
0
REPLIES
5.4K
VIEWS

Why does DeleteDirectory[d, DeleteContents -> True] fail for real d?

QUESTION FROM: Richard Klopp | 10 years ago
Mathematica
0
REPLIES
3.4K
VIEWS

gridMathematica Server, Ligthweight Grid Manager 10

QUESTION FROM: jiwon hwang | 10 years ago
gridMathematica , Mathematica , Product Set Up
0
REPLIES
6.7K
VIEWS

N-cubes and Multidimensional space in our universe

CONTRIBUTED BY: Marvin Ray Burns A.G.S. (cum laude) | 10 years ago
Authoring and Publishing , Wolfram Science
0
REPLIES
4.4K
VIEWS

MannWhitneyTest is not a true comparison of medians

QUESTION FROM: Sosi Ppus | 10 years ago
Mathematica , Statistics and Probability
0
REPLIES
2.9K
VIEWS

Tetrahedral space-filler

CONTRIBUTED BY: Ed Pegg | 10 years ago
3D Printing , Discrete Mathematics , Geometry , ...
0
REPLIES
5K
VIEWS

Are you ready for your close-up?

CONTRIBUTED BY: Kathryn Cramer | 10 years ago
Connected Devices , Image Processing , Recreation , Wolfram Cloud , ...
0
REPLIES
4.7K
VIEWS

Get PHP simpleXMLElement

QUESTION FROM: donato grassi | 10 years ago
Import and Export , Software Development , Wolfram|Alpha , ...
0
REPLIES
12.1K
VIEWS

Rendering queryresult

QUESTION FROM: donato grassi | 10 years ago
Software Development , webMathematica , Wolfram|Alpha , ...
0
REPLIES
12.3K
VIEWS

Unit Distance McGee Graph

CONTRIBUTED BY: Ed Pegg | 10 years ago
Graphs and Networks , Mathematics , Numerical Computation , ...
0
REPLIES
4.8K
VIEWS

How can i plot3d for 2 dimensional PDE equations

QUESTION FROM: Vijay Babu | 10 years ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
3.8K
VIEWS

NETLink Requires Mono Path on OS X

CONTRIBUTED BY: Shenghui Yang | 10 years ago
Mathematica , Software Development , Wolfram Language , Wolfram U
0
REPLIES
4.9K
VIEWS

SemanticImport of data from a Netatmo personal weather station in Barcelona

CONTRIBUTED BY: Bernat Espigulé | 10 years ago
Curated Data , Data Drop , Data Science , Earth Science , ...
0
REPLIES
10.3K
VIEWS

How to prevent the kernel from exiting when a LibraryLink function segfault

QUESTION FROM: Szabolcs Horvát | 10 years ago
Interface Construction , Mathematica
0
REPLIES
4K
VIEWS

Efficient ways to speed up Flatten or ArrayReshape-Transpose on tensors

QUESTION FROM: Alex Michailidis | 10 years ago
Calculus , Mathematica , Physics
0
REPLIES
2.7K
VIEWS

Matrix Symbolic Operations

QUESTION FROM: Joe Blogs | 10 years ago
Wolfram|Alpha
0
REPLIES
8.8K
VIEWS

How can I generate the summer solstices for a specified range?

QUESTION FROM: john aarsonson | 10 years ago
Earth Science , Mathematics
0
REPLIES
4K
VIEWS

Sending an email at a scheduled time every day

QUESTION FROM: Elliott Michael | 10 years ago
Wolfram Cloud
0
REPLIES
2.4K
VIEWS

Maximization problems and list operation

QUESTION FROM: bored dude | 10 years ago
Computer Science , Control Systems , Data Science , Mathematica , ...
0
REPLIES
5.9K
VIEWS

Wolfram Alpha Pro and CDF

QUESTION FROM: Nick Pudar | 10 years ago
Wolfram|Alpha
0
REPLIES
8.6K
VIEWS

Find final value of ODE system - LaplaceTransform or DSolve??

QUESTION FROM: Frank N | 10 years ago
Algebra , Equation Solving , Mathematica
0
REPLIES
3.8K
VIEWS

Basics of Supercapacitor Modeling

CONTRIBUTED BY: Johan Rhodin | 10 years ago
Staff Picks , Engineering , Know-How , Modeling , SystemModeler
0
REPLIES
16.1K
VIEWS

CreateExecutable deleting the executable after creation

QUESTION FROM: David Parrini | 10 years ago
Software Development
0
REPLIES
2.4K
VIEWS

Has anyone compiled DLL for MSC Adams/Solver before?

QUESTION FROM: Hossein Tamaddoni | 10 years ago
Compilation
0
REPLIES
5.7K
VIEWS

Numerically solving PDE system near singularity

QUESTION FROM: Shimon Rubin | 10 years ago
Mathematica
0
REPLIES
3.5K
VIEWS

Filling an area between curves are not properly working

QUESTION FROM: Jos Klaps | 10 years ago
Graphics and Visualization
0
REPLIES
2.6K
VIEWS

Graphs: mapping properties

QUESTION FROM: Szabolcs Horvát | 10 years ago
Graphs and Networks , Mathematica
0
REPLIES
2.3K
VIEWS

Calling Scandinavia: Join Wolfram in Copenhagen on October 22

CONTRIBUTED BY: Richard Asher | 10 years ago
Chemistry , Computational Linguistics , Computer Science , ...
0
REPLIES
8.3K
VIEWS

help with sequence of projection vectors help

QUESTION FROM: james lemmon | 10 years ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
4.4K
VIEWS

A problem in getting the right random variate of Inverse Gamma Dist.

QUESTION FROM: benny Carmeli | 10 years ago
Mathematics
0
REPLIES
1.7K
VIEWS

How Can I Stop MS SQL Timing Out on First Connection Attempts?

QUESTION FROM: Brad Varey | 10 years ago
Mathematica
0
REPLIES
4.4K
VIEWS

"Presentations" add-on: graphics directives ignored now with Draw, etc

QUESTION FROM: Murray Eisenberg | 10 years ago
Graphics and Visualization , Mathematica , Packages
0
REPLIES
3K
VIEWS

computer crashed, no more mathematica 7, can i get a re-download??

QUESTION FROM: peter epps | 10 years ago
Mathematica
0
REPLIES
2.8K
VIEWS

Problem with Android Wolfram app ( Computation Time ? )

CONTRIBUTED BY: Andrew C | 10 years ago
Wolfram|Alpha , Wolfram|Alpha Apps
0
REPLIES
12.2K
VIEWS

Why the Chrome browser cannot run the Wolfram Demostration ?

QUESTION FROM: Shutao Tang | 10 years ago
Mathematica
0
REPLIES
4.3K
VIEWS

The annoying "Formatting Notebook Contents"

QUESTION FROM: Ernesto Espinosa | 10 years ago
Mathematica
0
REPLIES
3.6K
VIEWS

How to import structured points gray values from VTK files

QUESTION FROM: Hans van Assen | 10 years ago
Graphics and Visualization , Image Processing , Import and Export , ...
0
REPLIES
4.6K
VIEWS

Gradient Field Plot when I do not have a function, but only a set of planes

QUESTION FROM: Alex Smilgins | 10 years ago
Graphics and Visualization , Wolfram Language
0
REPLIES
4.6K
VIEWS

Can Wolfram Mathematica solve equilibrium search model?

QUESTION FROM: nodar okroshiashvili | 10 years ago
Economics
0
REPLIES
4.4K
VIEWS

Do we have example code of Mathematica controlling TTL signals?

QUESTION FROM: Douglas Youvan | 10 years ago
Connected Devices , Control Systems , Dynamic Interactivity , ...
0
REPLIES
5.8K
VIEWS

Automatic selection

QUESTION FROM: Ulrich Utiger | 10 years ago
User Interface
0
REPLIES
3K
VIEWS

software maintenance

QUESTION FROM: soo m | 10 years ago
Software Development
0
REPLIES
2K
VIEWS

Optimus Primes

CONTRIBUTED BY: Ed Pegg | 10 years ago
Mathematics
0
REPLIES
2.4K
VIEWS

Has anyone encountered frequent Loss of Connection to Cloud Sync messages?

QUESTION FROM: Jeffrey Lapides | 10 years ago
User Interface , Wolfram Development Platform
0
REPLIES
5.4K
VIEWS

How to define a cell style with no single letter italics in formulas

QUESTION FROM: Nicolas Hannachi | 10 years ago
User Interface
0
REPLIES
3.3K
VIEWS

differentiation of a poster image and original image.

QUESTION FROM: sanjay ashok | 10 years ago
Computer Science , Image Processing
0
REPLIES
2.5K
VIEWS

How can I send keyboard commands via Mathematica to a given URL?

QUESTION FROM: Coach KLC | 10 years ago
Authoring and Publishing , Business Analytics
0
REPLIES
5.7K
VIEWS

Nested -- Flat issue with multiple-page discussion

QUESTION FROM: David Keith | 10 years ago
Wolfram Community
0
REPLIES
3.7K
VIEWS

Covering a tetrahedron with 4 cubes

CONTRIBUTED BY: Ed Pegg | 10 years ago
Mathematics
0
REPLIES
2.8K
VIEWS

Mathematica hangs when plotting over certain regions

QUESTION FROM: Mike Luntz | 10 years ago
Graphics and Visualization , Mathematica
0
REPLIES
3.9K
VIEWS

For control of an external device, what are the important questions to ask?

QUESTION FROM: Douglas Youvan | 10 years ago
Connected Devices , Control Systems , External Programs and Systems , ...
0
REPLIES
5.2K
VIEWS

Which CDF Player allows interaction with databases?

QUESTION FROM: C P | 10 years ago
Wolfram CDF Player
0
REPLIES
4.6K
VIEWS

error MathLinkFactory.CreateKernelLink() wolfram and C#

QUESTION FROM: Dmitry Dmitriev | 10 years ago
Mathematica , Wolfram Language
0
REPLIES
3.7K
VIEWS

Contour Plot using Barnes objective analysis

QUESTION FROM: Marcelo De Cicco | 10 years ago
Astronomy , Graphics and Visualization
0
REPLIES
6.8K
VIEWS

Tangent Loeschian Spheres

CONTRIBUTED BY: Ed Pegg | 10 years ago
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
4.1K
VIEWS

Having trouble with computer freezing up when integrating a function

QUESTION FROM: Bradley Arnold | 10 years ago
Calculus , Mathematics , Wolfram|Alpha
0
REPLIES
8.3K
VIEWS

A beautiful picture related to Collatz conjecture

CONTRIBUTED BY: Vitaliy Kaurov | 10 years ago
Mathematics , Wolfram Language , Wolfram Science
0
REPLIES
21.3K
VIEWS

DERIVATIVE OF A TRANSFER FUNCTION

QUESTION FROM: A N | 10 years ago
Control Systems , Mathematics , Mechanical Engineering
0
REPLIES
9K
VIEWS

INTERNAL SELF-TEST ERROR: MLParseStream|c|102 / 296

CONTRIBUTED BY: E Martin | 10 years ago
Mathematica
0
REPLIES
3.7K
VIEWS

Compilation error

QUESTION FROM: Al Guy | 10 years ago
Mathematica
0
REPLIES
3.5K
VIEWS

3D Printing the Trefoil Knot and its Pages

CONTRIBUTED BY: Fred Hohman | 10 years ago
3D Printing , Computer-Based Maths , Engineering , Geometry , ...
0
REPLIES
17K
VIEWS

Manual FindFaces function for RPi ?

QUESTION FROM: pablo cageao | 10 years ago
Image Processing , Raspberry Pi , Wolfram Language
0
REPLIES
5.6K
VIEWS

Updates with home use yearly subscription

QUESTION FROM: Mike Luntz | 10 years ago
Mathematica
0
REPLIES
2.8K
VIEWS
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FEATURED CONTRIBUTORS
edp
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3 hours ago
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Daniele Gregori
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