New Member New Member

Discussions List Discussions List

Staff Picks

Artemis II trajectory: crewed lunar flyby to launch on April 1, 2026

CONTRIBUTED BY: Jeffrey Bryant | 1 day ago BY: EDITORIAL BOARD
1
REPLIES
500
VIEWS

Adiabatic quantum computing: spectral analysis and simulation of a one-qubit system

CONTRIBUTED BY: Sebastian Rodriguez | 1 day ago BY: EDITORIAL BOARD
1
REPLIES
46
VIEWS

WI2easy: warm inflation dynamics made easy

CONTRIBUTED BY: Rudnei Ramos | 1 day ago BY: EDITORIAL BOARD
1
REPLIES
50
VIEWS
All Discussions

Wrong result for very simple series with Floor

QUESTION FROM: Mario Weitzer | 13 years ago BY: Bruce Miller
Mathematica
2
REPLIES
6.2K
VIEWS

Heat Transfer Problem

QUESTION FROM: Jon T | 13 years ago BY: Jon T
Calculus , Engineering , Equation Solving , Mathematica , ...
10
REPLIES
26.6K
VIEWS

use of the $ symbol

QUESTION FROM: Luis Ledesma | 13 years ago BY: Jari Kirma
Authoring and Publishing , Computer Science , Data Science , ...
4
REPLIES
19.1K
VIEWS

Adding Direction Arrows to Plots

QUESTION FROM: Allen Hammack | 13 years ago BY: Paul McGill
Algebra , Calculus , Mathematica
1
REPLIES
16.8K
VIEWS

"Mathematica" Study Group for the "Complexity Explorer" online courses

CONTRIBUTED BY: Bernat Espigulé | 13 years ago BY: Diego Zviovich
Demonstrations , Education , Wolfram Community , Wolfram Science
3
REPLIES
23K
VIEWS

Double equal sign display

QUESTION FROM: Allen Hammack | 13 years ago BY: Bill Simpson
Algebra , Mathematica
1
REPLIES
5.1K
VIEWS

fitting different data sets with different models with NonlinearModelFit

QUESTION FROM: Sergi Gonzalez-Solis | 13 years ago BY: Sergi Gonzalez-Solis
Mathematica
6
REPLIES
13.8K
VIEWS

Plotting multiple lines and using filling on only one line

QUESTION FROM: Allen Hammack | 13 years ago BY: Arnoud Buzing
Algebra , Mathematica , Mathematics
4
REPLIES
13K
VIEWS

Functional Programming for Non-linear Equations

QUESTION FROM: Pat Mac | 13 years ago BY: Pat Mac
Biological Sciences , Chemistry , High-Performance Computing , ...
4
REPLIES
20.8K
VIEWS

How can I mirror the values of a matrix about its diagonal?

QUESTION FROM: Cole Rodman | 13 years ago BY: Christian Neel
Chemistry , Engineering , Mathematica , Mathematics , Modeling , ...
2
REPLIES
24.6K
VIEWS

Integral upper limit a function

QUESTION FROM: Luther Nayhm | 13 years ago BY: Luther Nayhm
Calculus , Mathematica , Physics
6
REPLIES
13.2K
VIEWS

Newton-Raphson Root Finding, Difficulty in coding

QUESTION FROM: Cory Leahy | 13 years ago BY: Jari Kirma
Mathematics , Physics , Wolfram Language
4
REPLIES
9.3K
VIEWS

Application of Squeeze Theorem

QUESTION FROM: Jessica Blanton | 13 years ago BY: George Woodrow III
Calculus , Mathematica , Mathematics
5
REPLIES
12.5K
VIEWS

Plotting points from a 3d table

QUESTION FROM: S Mazzu | 5 years ago BY: Clara Woodie
Graphics and Visualization , Mathematica , Wolfram Language
6
REPLIES
11.6K
VIEWS

Value of this sum

QUESTION FROM: narayansurya999 | 13 years ago BY: Sean Clarke
Mathematics
1
REPLIES
2.5K
VIEWS

How can I use one slider to manipulate two functions?

QUESTION FROM: Hamzah Abeer | 13 years ago BY: Sean Clarke
Mathematica
1
REPLIES
3.4K
VIEWS

Autocorrelation Method

QUESTION FROM: azmi almasalha | 13 years ago BY: azmi almasalha
Mathematica , Optics , Physics
4
REPLIES
13.4K
VIEWS

Accuracy of the WKB approximation in Quantum Mechanics

CONTRIBUTED BY: Frank Kampas | 13 years ago
Mathematica , Physics
0
REPLIES
3K
VIEWS

GARCH(3.2)

QUESTION FROM: Aleks | 12 years ago BY: milos cipo
Business Analytics , Economics , Finance , Mathematica
2
REPLIES
12.3K
VIEWS

QuantityUnit and QuantityMagnitude doesn't work

QUESTION FROM: Gandalf Saxe | 13 years ago BY: Bruce Miller
Units
4
REPLIES
13.4K
VIEWS

Displaying realtime data

QUESTION FROM: Tomas Selnekovic | 13 years ago BY: Tomas Selnekovic
Mathematica
2
REPLIES
6.2K
VIEWS

Detecting copy-move forgery in images

QUESTION FROM: olivier k | 12 years ago BY: Marco Thiel
Image Processing , Mathematica , Wolfram Language
8
REPLIES
21.9K
VIEWS

How can I play Mathematica CDF files on a Windows Surface Pro?

QUESTION FROM: Anthony Rollins | 13 years ago BY: Sean Clarke
Authoring and Publishing , Education
1
REPLIES
12.3K
VIEWS

Question: My function is not being graphed

QUESTION FROM: Kairn Brannon | 13 years ago BY: Kairn Brannon
Mathematics
2
REPLIES
2.9K
VIEWS

How to import an image sequence

QUESTION FROM: Soroush HP | 13 years ago BY: Soroush HP
Image Processing
6
REPLIES
4.5K
VIEWS

Tracking markers or fiducials

QUESTION FROM: M Edwards | 13 years ago BY: M Edwards
Computer Science
3
REPLIES
8.2K
VIEWS

Recognize circles, the centroids and the radii of a B&W image

QUESTION FROM: Mike M | 13 years ago BY: Sean Clarke
Geometry , Graphics and Visualization , Image Processing
1
REPLIES
4.8K
VIEWS

How to export a graph produced by Manipulate - with CURRENT parameters

QUESTION FROM: Boris Blankleider | 11 years ago BY: Frank N
Calculus , Dynamic Interactivity , Graphics and Visualization , ...
5
REPLIES
29.6K
VIEWS

Pattern replacement rule - how to eliminate extra step

QUESTION FROM: Todor Latev | 13 years ago BY: Christopher French
Mathematica , Wolfram Language
3
REPLIES
7.2K
VIEWS

What are the files CDFPlayer_9.0.1_WIN & MathematicPlayer_7.0.1_WIN?

QUESTION FROM: Swamp Wizard | 13 years ago BY: Bruce Miller
Mathematica
1
REPLIES
3.2K
VIEWS

If u buy Mathematica, do u still hv 2 pay $5/mth for step-by-step solutions

QUESTION FROM: Safi Ahmed | 13 years ago BY: Sean Clarke
Mathematica
3
REPLIES
7.9K
VIEWS

Mathematica opens all new notebooks in the CDF mode

QUESTION FROM: Igor Mazin | 13 years ago BY: Bruce Miller
Mathematica
1
REPLIES
2.5K
VIEWS

FindMaximum with constraints, WorkingPrecision issue

QUESTION FROM: igor igel | 13 years ago BY: igor igel
Mathematica
1
REPLIES
3.6K
VIEWS

Fitting a function - the result of a NDSolve

QUESTION FROM: Elwood Blues | 13 years ago BY: Bruce Miller
Computer Science , Data Science , Education , Material Sciences , ...
1
REPLIES
17.6K
VIEWS

3 parameter Weibull distribution integration issues

QUESTION FROM: Chen-Ping Yu | 13 years ago BY: Youngjoo Chung
Calculus , Computer Science , Equation Solving , Mathematica , ...
5
REPLIES
11.7K
VIEWS

How to create a drawing pad in Mathematica?

QUESTION FROM: Boris Blankleider | 13 years ago BY: Vitaliy Kaurov
Dynamic Interactivity , Graphics and Visualization , ...
7
REPLIES
17.4K
VIEWS

Problem using optimization for modeling

QUESTION FROM: Paul McGill | 13 years ago BY: Paul McGill
Engineering , Optimization , Modeling , Wolfram Language
12
REPLIES
27.8K
VIEWS

MMA 9.0: What is the intended purpose of the Legended command?

QUESTION FROM: Brad Crochet | 13 years ago BY: Sean Clarke
Graphics and Visualization , Mathematica
1
REPLIES
3.4K
VIEWS

How to monitor parallel computations?

QUESTION FROM: Hannes Kessler | 13 years ago BY: Shenghui Yang
Mathematica
1
REPLIES
3.9K
VIEWS

Fuzzy Logic Package for Mathematica 9

QUESTION FROM: Eva Racz | 13 years ago BY: Sean Clarke
Mathematica , Modeling
1
REPLIES
7.6K
VIEWS

A Hands-on Guide to Simulating a Neuron Cable with Wolfram SystemModeler

CONTRIBUTED BY: Shenghui Yang | 13 years ago BY: Jake Trexel
Staff Picks , Computational Systems , Demonstrations , Engineering , ...
5
REPLIES
42.9K
VIEWS

puzzle n^2 -1

QUESTION FROM: Luis Ledesma | 13 years ago BY: Yoshihiro Sato
Computer Science , Game Development , Mathematics , ...
4
REPLIES
14.9K
VIEWS

Exporting dimensionally accurate images in PDF format with margins?

QUESTION FROM: Donald Barnhart | 13 years ago BY: Christopher French
Authoring and Publishing , Computer Science , Engineering , ...
1
REPLIES
19.9K
VIEWS

Help calling up a specfic answer

QUESTION FROM: Michael Harcrow | 13 years ago BY: Christopher French
Mathematica
4
REPLIES
6.8K
VIEWS

How to make the note transition smooth?

QUESTION FROM: Rangarajan Krishnamoorthy | 13 years ago BY: Rangarajan Krishnamoorthy
Audio, Sound and Music , Authoring and Publishing
2
REPLIES
11K
VIEWS

Generate weighted random numbers

QUESTION FROM: Michael Knoerzer | 3 years ago BY: Jari Kirma
Data Science , Mathematica , Mathematics , Physics , ...
13
REPLIES
17.1K
VIEWS

Plot solutions to NDSolve while solution is being computed

QUESTION FROM: Francisco Obando | 13 years ago BY: Arnoud Buzing
Dynamic Interactivity , Equation Solving , ...
1
REPLIES
5.8K
VIEWS

Is there a way to have Mathematica ignore images when saving notebooks?

QUESTION FROM: Richard Hennigan | 11 years ago BY: Sebastian Starosielec
Authoring and Publishing , Graphics and Visualization , ...
3
REPLIES
25K
VIEWS

SendMail[ ] does not work in EnterpriseCDF

QUESTION FROM: Xiang Li | 13 years ago BY: Sean Clarke
Wolfram CDF Player
1
REPLIES
12.6K
VIEWS

Leading a fundamental shift in math education -- with UNICEF

CONTRIBUTED BY: Conrad Wolfram | 13 years ago BY: Todd Rowland
Computer-Based Maths , Demonstrations , Education , Events & Media , ...
1
REPLIES
18.9K
VIEWS

Meaning of & /@

QUESTION FROM: Raffaele Santagati | 13 years ago BY: Ilian Gachevski
Mathematica , Mathematics
1
REPLIES
26.9K
VIEWS

How to erase column in a Map[Flatten[#] & command

QUESTION FROM: Maria Giovanna Dainotti | 13 years ago BY: Youngjoo Chung
Astronomy , Mathematics , Physics
3
REPLIES
13.1K
VIEWS

How to dynamically update some variables and some not, wrt RandomInteger?

QUESTION FROM: Andreas Leiser | 13 years ago BY: Andreas Leiser
Dynamic Interactivity
6
REPLIES
9.8K
VIEWS

Displaying the lines in a block matrix

QUESTION FROM: Benjamin Allgeier | 13 years ago BY: Benjamin Allgeier
Education , Mathematica
2
REPLIES
11.3K
VIEWS

This is so odd it won't graph

QUESTION FROM: Megan Vineyard | 13 years ago BY: Megan Vineyard
Graphics and Visualization , Mathematica , Mathematics
3
REPLIES
4.6K
VIEWS

How to Integrate logx

QUESTION FROM: Luther Nayhm | 13 years ago BY: Ilian Gachevski
Mathematics , Wolfram Language
6
REPLIES
8.4K
VIEWS

dynamically draw arrows

QUESTION FROM: daniel | 13 years ago BY: daniel
Dynamic Interactivity , Graphics and Visualization
2
REPLIES
8.9K
VIEWS

Trouble with derivative of piecewise parametric equation

QUESTION FROM: Elliott Shugerman | 13 years ago BY: Ilian Gachevski
Calculus
1
REPLIES
3K
VIEWS

RLink[ ] does not work after R update

QUESTION FROM: Christian Damgaard | 12 years ago BY: Leonid Shifrin
External Programs and Systems , Mathematica , Wolfram Language
7
REPLIES
23.9K
VIEWS

Solving Cos trigonometric equation

QUESTION FROM: Ahmed Al-Ali | 13 years ago BY: Bill Simpson
Equation Solving , Mathematica , Mathematics
4
REPLIES
8.4K
VIEWS

Problems adding Exif Metadata to Images

QUESTION FROM: Charles Farnum | 13 years ago BY: Charles Farnum
Image Processing
5
REPLIES
11.1K
VIEWS

Plotting electronic orbitals with Wolfram Language

CONTRIBUTED BY: Jason Biggs | 6 years ago BY: Febdian Rusydi
Staff Picks , Chemistry , Graphics and Visualization , ...
21
REPLIES
51.8K
VIEWS

Tracking a point in a video

QUESTION FROM: Lenny Johnson | 11 years ago BY: Milenko Rubin-Zuzic
Graphics and Visualization , Image Processing , Video Processing , ...
4
REPLIES
24K
VIEWS

Queuing functions syntax

QUESTION FROM: Francisco Gutierrez | 13 years ago BY: Sean Clarke
Control Systems , Economics , Operations Research , Social Science
1
REPLIES
14.2K
VIEWS

How to create multiple copies of a list

QUESTION FROM: Betty Love | 13 years ago BY: Betty Love
Mathematica
2
REPLIES
5.5K
VIEWS

Obtaining and exporting financial data for a specific time range

QUESTION FROM: George P | 12 years ago BY: Lanny Sterritt
Finance , Mathematica
10
REPLIES
15.2K
VIEWS

Numerical and Analytic plots don't overlap.

QUESTION FROM: Davi Dantas | 13 years ago BY: Davi Dantas
Graphics and Visualization , Mathematica , Numerical Computation , ...
2
REPLIES
4.2K
VIEWS

SyntaxInformation ignored when MA creates a package automatically - .m file

QUESTION FROM: Todor Latev | 13 years ago BY: Arnoud Buzing
Mathematica , Packages , Wolfram Language
3
REPLIES
7.4K
VIEWS

Help for a trajectory algorithm

QUESTION FROM: Bruno Galveia | 13 years ago BY: Shenghui Yang
Mathematics
3
REPLIES
3.7K
VIEWS

Newbie to Mathematica ... Help to create a Deltoid Torus

QUESTION FROM: richardb1935 Bauer | 13 years ago BY: richardb1935 Bauer
Graphics and Visualization , Mathematica , Recreation
3
REPLIES
5.8K
VIEWS

How to solve...

QUESTION FROM: Linda Helm | 13 years ago BY: Christopher French
Algebra , Dynamic Interactivity , Mathematica , Mathematics
1
REPLIES
6.3K
VIEWS

Dsolve.. The Function appears with no argument..

QUESTION FROM: Daniel Winge | 3 years ago BY: Gianluca Gorni
Mathematica
4
REPLIES
22.8K
VIEWS

How to solve a highly nonlinear PDE

QUESTION FROM: Yiyang Zhang | 13 years ago BY: Sean Clarke
Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
6.8K
VIEWS

How to select outer bounds of an inequality for use?

QUESTION FROM: Rob Holman | 13 years ago BY: Youngjoo Chung
Mathematica
2
REPLIES
10.4K
VIEWS

How to get symbolic result

QUESTION FROM: cvs | 13 years ago BY: Sean Clarke
Mathematics
1
REPLIES
2.5K
VIEWS

Let's all combine forces to improve this routine

CONTRIBUTED BY: Todor Latev | 13 years ago BY: Todor Latev
Graphics and Visualization , Interface Construction , Mathematica , ...
5
REPLIES
16.9K
VIEWS

Plot several points as coordinates and colouring.

QUESTION FROM: Jakob A | 13 years ago BY: Paul Cleary
Graphics and Visualization , Mathematica , Mathematics , Modeling
5
REPLIES
15.1K
VIEWS

Impact of chrome changes on CDFs?

QUESTION FROM: BoB LeSuer | 13 years ago BY: Jari Kirma
Wolfram CDF Player
1
REPLIES
9K
VIEWS

how to get numerically integrate

QUESTION FROM: salangnew | 13 years ago BY: salangnew
Mathematica , Mathematics , Signal Processing
2
REPLIES
8.6K
VIEWS

Help plotting error function

QUESTION FROM: Megan Vineyard | 13 years ago BY: Bill Simpson
Graphics and Visualization , Mathematica , Physics
2
REPLIES
7.1K
VIEWS

How to animate ListPointPlot3D objects

QUESTION FROM: yuri ozhigov | 13 years ago BY: yuri ozhigov
Computer Science , Dynamic Interactivity , Education , ...
2
REPLIES
9.2K
VIEWS

Automated image analysis for measuring size and shape of Martian sand grain

CONTRIBUTED BY: Vitaliy Kaurov | 13 years ago
Engineering , Image Processing , Mathematica
0
REPLIES
4.6K
VIEWS

Algorithms behind Step-by-Step solutions in Wolfram|Alpha ?

QUESTION FROM: shubham agarwal | 13 years ago BY: David Reiss
Calculus , Computational Systems , Computer Science , Education , ...
4
REPLIES
22.6K
VIEWS

Wrapping ArrayPlot or MatrixPlot around a circle

QUESTION FROM: Darya Aleinikava | 13 years ago BY: Simon Schmidt
Graphics and Visualization , Mathematica
5
REPLIES
14.2K
VIEWS

A replacement for IntegerDigits: computing Sloane OEIS A229024 sequence

QUESTION FROM: Hans Havermann | 13 years ago BY: Hans Havermann
Discrete Mathematics , Mathematica , Mathematics , Recreation , ...
8
REPLIES
20K
VIEWS

Hodgkin-Huxley cable equation or propogation equation

QUESTION FROM: Jake Trexel | 13 years ago BY: Jake Trexel
Biological Sciences , Equation Solving , Mathematics , Physics , ...
18
REPLIES
29.5K
VIEWS

Mathematica not able to Integrate t*a*exp(-a*t) dt

QUESTION FROM: James Kirk | 13 years ago BY: James Kirk
Calculus , Mathematica , Mathematics
2
REPLIES
3.3K
VIEWS

Custom indicator on TradingChart[]

QUESTION FROM: sivamaniooty | 13 years ago BY: David Jameson
Finance , Finance Platform , Mathematica , Software Development
1
REPLIES
38.9K
VIEWS

Plot multiple planes at once in Wolfram|Alpha

QUESTION FROM: Jan Cieslik | 4 years ago BY: Yoonsuck Choe
Algebra , Geometry , Mathematics , Wolfram|Alpha
4
REPLIES
38.6K
VIEWS

Problem with big input not accepted

QUESTION FROM: alberto.bottopoala | 13 years ago BY: Arnoud Buzing
High-Performance Computing , Import and Export , Numerical Computation
11
REPLIES
13.7K
VIEWS

Create and minimize a function f(x,y) using a list of data

QUESTION FROM: jeomana | 13 years ago BY: jeomana
Graphics and Visualization , Import and Export , Mathematica , ...
3
REPLIES
9.7K
VIEWS

Authorizing SocialMediaData through JLink or custom Front End

QUESTION FROM: John Borland | 11 years ago BY: David Johnston
External Programs and Systems , Mathematica , Software Development
8
REPLIES
13.7K
VIEWS

can I determine the length of sides of a triangle?

QUESTION FROM: George Rowlett | 13 years ago BY: George Rowlett
Mathematics
3
REPLIES
9.1K
VIEWS

How do I plot purely symbolic functions?

QUESTION FROM: Chris Cantrell | 13 years ago BY: Chris Cantrell
Mathematica
3
REPLIES
12.3K
VIEWS

Way to import formulas in a textfile in Wolfram Mathematica

QUESTION FROM: Brody White | 13 years ago BY: Bill Simpson
Import and Export , Mathematica , Mathematics
3
REPLIES
5.7K
VIEWS

How can I write plain/formatted text in Greek without loosing the format?

QUESTION FROM: Damianos Dumi Sigalas | 13 years ago BY: Stathis Kamperis
Mathematica
3
REPLIES
10.3K
VIEWS

How to replace a group of symbols to another symbol?

QUESTION FROM: Alexander Nikitin | 13 years ago BY: Felix Zvyagin
Algebra , Mathematica
1
REPLIES
5.1K
VIEWS

How can I Plot this by using ContourPlot?

QUESTION FROM: Jakob A | 12 years ago BY: Udo Krause
Graphics and Visualization , Mathematica , Wolfram Language
2
REPLIES
6.6K
VIEWS

How do I label a point on my 3D parametric equation plot?

QUESTION FROM: david bell | 13 years ago BY: david bell
Calculus , Wolfram Language
2
REPLIES
2.8K
VIEWS

Finding time it will take an object to move from point a to point b

QUESTION FROM: Alan Suum | 13 years ago BY: Gregory Fridman
Computer Science , Graphics and Visualization , Mathematica , ...
1
REPLIES
7.8K
VIEWS
259
260
261
262
263

New Discussion New Discussion

Announcements Announcements

ANNOUNCEMENTS
Can you answer these questions?
READ FIRST: FORUM RULES »

Top Tags Top Tags

FEATURED GROUPS
Mathematics 6K discussions 4K subscriptions
Earth Science 141 discussions 602 subscriptions
Education 542 discussions 1K subscriptions
Optimization 552 discussions 935 subscriptions
Wolfram U 103 discussions 725 subscriptions
Data Science 1K discussions 2K subscriptions
Equation Solving 1K discussions 1K subscriptions

FEATURED CONTRIBUTORS
jeffb
Jeffrey Bryant
1 day ago
srodriguez
Sebastian Rodriguez
1 day ago
rudnei
Rudnei Ramos
1 day ago
bcbeckman
Brian Beckman
2 days ago
tigrannersissian
Tigran Nersissian
3 days ago
brunot
Bruno Tenorio
2 days ago
berejnov
Slava Berejnov
3 days ago