New Member New Member

Discussions List Discussions List

Staff Picks

An application for portfolio optimization, risk sensitivity and efficient frontier visualization

CONTRIBUTED BY: Charalampos - Marios Pelekoudas | 2 hours ago BY: EDITORIAL BOARD
1
REPLIES
20
VIEWS

[WWS25] Exploring ruliological engineering of well-defined geometries from hypergraph rewriting

CONTRIBUTED BY: Jacopo Uggeri | 5 hours ago BY: Ellynne DEC
2
REPLIES
1.3K
VIEWS

[WSS23] The Ruliology of Network Mobile Automata

CONTRIBUTED BY: Joel Choi | 5 hours ago BY: Ellynne DEC
2
REPLIES
4K
VIEWS
All Discussions

Retrieve ISIN for a stock

QUESTION FROM: Maximilian Ulbrich | 6 months ago BY: Hans Michel
Curated Data , Finance , Wolfram Language
1
REPLIES
1.9K
VIEWS

Wrong frequencies in Periodogram?

QUESTION FROM: Vladimir Ivanov | 6 months ago BY: Henrik Schachner
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
2K
VIEWS

Radio button bar in square layout

QUESTION FROM: Mark Greenberg | 6 months ago BY: Mark Greenberg
Interface Construction , Wolfram Language
2
REPLIES
1.2K
VIEWS

CylindricalDecomposition doesn't finish the process

QUESTION FROM: Jacob Pavelka | 6 months ago BY: Jacob Pavelka
Algebra , Geometry , Mathematics , Wolfram Language
2
REPLIES
837
VIEWS

Is Tabular not supported in the Wolfram Cloud?

QUESTION FROM: Todd Allen | 6 months ago
Wolfram Cloud , Wolfram Language
0
REPLIES
1.3K
VIEWS

Mathematica 13.3 and System Modeler 13.2.0 incompatibility

QUESTION FROM: Vijay Sharma | 6 months ago BY: Sergio Vargas
SystemModeler , Wolfram Language
1
REPLIES
1.3K
VIEWS

Help with rearranging the equation and solution Steps?

QUESTION FROM: Sami Heidari | 6 months ago BY: Sami Heidari
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
1K
VIEWS

Simple exponential expand

QUESTION FROM: Harris Lyr | 6 months ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
2
REPLIES
1K
VIEWS

MardiaCombinedTest: more details needed

QUESTION FROM: Paolo Zavarise | 6 months ago
Statistics and Probability , Wolfram Language
0
REPLIES
883
VIEWS

Why doesn't Fourier work properly with NumericArray?

QUESTION FROM: Anton Lutsenko | 6 months ago BY: Jaymal Raja
Physics , Signal Processing , Wolfram Language
4
REPLIES
1.7K
VIEWS

Solving a simple system of four equations gives no output

QUESTION FROM: Sasha Mandra | 6 months ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
1.2K
VIEWS

Overflow while computing 10^16 digit

QUESTION FROM: Mark Raygorodsky | 6 months ago BY: Michael Rogers
Computer Science , Mathematics , Numerical Computation , ...
8
REPLIES
1.7K
VIEWS

Calculating multivariable calculus surface integrals using Mathematica

QUESTION FROM: Mitchell Sandlin | 6 months ago BY: Mitchell Sandlin
Calculus , Graphics and Visualization , Mathematics , ...
5
REPLIES
2.6K
VIEWS

Is there a way to 'profile' a SystemModeler model when it is simulating

QUESTION FROM: Robert Prince-Wright | 6 months ago BY: Henrik Tidefelt
Modeling , SystemModeler
1
REPLIES
1.5K
VIEWS

decimal approximations of large numbers

QUESTION FROM: Mark Raygorodsky | 6 months ago
Computer Science , Numerical Computation , Wolfram|Alpha
0
REPLIES
1.1K
VIEWS

FindFit dependent on irrelevant changes

QUESTION FROM: Jaap Korthals Altes | 6 months ago BY: Michael Rogers
Data Science , Modeling , Wolfram Language
6
REPLIES
1.7K
VIEWS

Adding headers to truth tables

QUESTION FROM: Nicole P | 6 months ago BY: Updating Name
Logic and Boolean Algebra , Wolfram Language
4
REPLIES
14.5K
VIEWS

Cell evaluation stops after NotebookEvaluate[]

QUESTION FROM: Maksym Snegirev | 6 months ago BY: Maksym Snegirev
Wolfram Language
1
REPLIES
1K
VIEWS

How does Wolfram deals with undefined list in equations?

QUESTION FROM: Ibtisam Ali | 6 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
984
VIEWS

How to implement universal kriging using SpatialEstimate?

QUESTION FROM: Tsai Ming-Chou | 6 months ago
Data Science , Geographic Information System , Modeling , ...
0
REPLIES
943
VIEWS

How to export an expression with file name equal to expression?

QUESTION FROM: Ehud Behar | 6 months ago BY: Eric Rimbey
Graphics and Visualization , Import and Export , Wolfram Language
5
REPLIES
2.1K
VIEWS

Machine precision and working precision in NonlinearModelFit

QUESTION FROM: Rajesh Chell | 6 months ago BY: Michael Rogers
Data Science , Modeling , Wolfram Language
2
REPLIES
1.7K
VIEWS

How to modify column values relative to their maximum in a dataset?

QUESTION FROM: Ehud Behar | 6 months ago BY: Eric Rimbey
Data Science , Wolfram Language
1
REPLIES
1.2K
VIEWS

Determining series convergence

QUESTION FROM: Ata Vafi | 6 months ago BY: Ata Vafi
Calculus , Mathematics , Wolfram Language
7
REPLIES
1.3K
VIEWS

How to represent and compute eigenvalues of an infinite-dimensional density matrix?

QUESTION FROM: Reza rho | 6 months ago
Physics , Wolfram Language
0
REPLIES
843
VIEWS

Unexpected output from matrix inversion

QUESTION FROM: Leo Murphy | 6 months ago BY: Michael Rogers
Algebra , Mathematics , Wolfram Language
5
REPLIES
1.7K
VIEWS

How do I modify text inside a Canvas?

QUESTION FROM: Paul Nielan | 6 months ago
Graphics and Visualization , Wolfram Language
0
REPLIES
711
VIEWS

How to create a video without border, buttons and slider?

QUESTION FROM: Michael Steffen | 6 months ago BY: Shadi Ashnai
Graphics and Visualization , Video Processing , Wolfram Language
13
REPLIES
11K
VIEWS

Discrepancy between LineIntegrate and SurfaceIntegrate results in Stokes’ theorem verification

QUESTION FROM: Antonio Physics_gang | 6 months ago
Calculus , Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
697
VIEWS

Optimization of eigenvalue calculation for large matrices

QUESTION FROM: Reza rho | 6 months ago
Algebra , High-Performance Computing , Mathematics , Physics , ...
0
REPLIES
930
VIEWS

FullSimplify again not realizing the simplest solution. (ICBM problem)

QUESTION FROM: Philip Blanco | 6 months ago BY: Michael Rogers
Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
2.1K
VIEWS

Using indices to define the metric and Ricci tensor

QUESTION FROM: Safinaz Salem | 6 months ago
Algebra , Calculus , Mathematics , Symbolic Computations , ...
0
REPLIES
752
VIEWS

How to CopyToClipboard[] special characters

QUESTION FROM: Cesar Lozada | 6 months ago BY: Updating Name
Mathematics , Wolfram Language
2
REPLIES
1.3K
VIEWS

Residual convolutional neural network has poor generalization ability

QUESTION FROM: Zhang Haoyu | 6 months ago
Data Science , Neural Networks , Wolfram Language
0
REPLIES
684
VIEWS

OverlayVideo - Proper positioning of text?

QUESTION FROM: Steven Buehler | 6 months ago BY: Eric Rimbey
Video Processing , Wolfram Language
1
REPLIES
1.2K
VIEWS

The loss value is less than 0

QUESTION FROM: Zhang Haoyu | 6 months ago BY: Zhang Haoyu
Data Science , Neural Networks , Wolfram Language
2
REPLIES
1K
VIEWS

How to set a default title for plots?

QUESTION FROM: Ehud Behar | 7 months ago BY: Hans Milton
Graphics and Visualization , Wolfram Language
6
REPLIES
1.3K
VIEWS

[Solved] A problem with Golden ratio in Wolfram|Alpha ?

QUESTION FROM: pierre moreau | 7 months ago BY: Nez TheNaughty
Mathematics , Wolfram|Alpha
3
REPLIES
5.9K
VIEWS

Problem with DynamicModule in a program with colliding blocks

QUESTION FROM: Ivan Siahlo | 7 months ago BY: Ivan Siahlo
Dynamic Interactivity , Graphics and Visualization , Wolfram Language
4
REPLIES
1.1K
VIEWS

Help in drawing a diagram

QUESTION FROM: Sami Heidari | 7 months ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
839
VIEWS

Making a substitution in an equation

QUESTION FROM: Sami Heidari | 7 months ago BY: Sami Heidari
Calculus , Mathematics , Wolfram Language
2
REPLIES
1.1K
VIEWS

Can I upload a notebook already prepared to the basic cloud?

QUESTION FROM: Miguel Angel Martinez Hernandez | 7 months ago BY: Ahmed Elbanna
Wolfram Cloud
3
REPLIES
1.4K
VIEWS

How to implement shear rotations of digital images?

QUESTION FROM: James Hall | 7 months ago BY: Gianluca Gorni
Image Processing , Wolfram Language
1
REPLIES
1.1K
VIEWS

How do I stop Wolfram Alpha from automatically rounding?

QUESTION FROM: Aaron Ortega | 7 months ago BY: Aaron Ortega
Mathematics , Wolfram|Alpha
2
REPLIES
1.5K
VIEWS

Counting points on a leaf in Wolfram

QUESTION FROM: Flora Vosoughi | 7 months ago BY: Flora Vosoughi
Image Processing , Wolfram Language
2
REPLIES
1.3K
VIEWS

Solving a RLC-series circuit with Wolfram Alpha?

QUESTION FROM: Sergio Cabral | 7 months ago BY: Sergio Cabral
Engineering , Wolfram|Alpha
2
REPLIES
1.5K
VIEWS

Solving simultaneous equations gives no output for long time

QUESTION FROM: Alvina Ali | 7 months ago BY: Gianluca Gorni
Equation Solving , Mathematics , Wolfram Language
1
REPLIES
804
VIEWS

Stereographic Projection and Inverse Stereographic Projection

QUESTION FROM: Ralf Becker | 7 months ago BY: Ralf Becker
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
1.1K
VIEWS

Seeking Help to Improve Image Processing Code in Mathematica.

QUESTION FROM: Flora Vosoughi | 7 months ago BY: EDITORIAL BOARD
3D Printing , Computer Science , Data Science , Engineering , ...
1
REPLIES
1.4K
VIEWS

Code takes a lot of time to run

QUESTION FROM: Fernando Silva | 7 months ago BY: Updating Name
Wolfram Language
5
REPLIES
1.1K
VIEWS

Computing Fourier transforms and equivalent integrals

QUESTION FROM: S. Lake | 7 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram|Alpha
4
REPLIES
2.4K
VIEWS

Wolfram Alpha app on Windows 10 is not working

QUESTION FROM: Trung Anh | 7 months ago BY: Jarrod Roberts
Wolfram|Alpha , Wolfram|Alpha Apps
2
REPLIES
2.7K
VIEWS

Hypergeometric function plotting, manipulating in Wolfram Alpha

QUESTION FROM: S. Lake | 7 months ago BY: S. Lake
Graphics and Visualization , Mathematics , Wolfram|Alpha
2
REPLIES
1.8K
VIEWS

Optimisation of linkage design in Wolfram SystemModeler?

QUESTION FROM: Zane Kelly | 7 months ago
Engineering , Optimization , Modeling , Robotics , SystemModeler
0
REPLIES
1.2K
VIEWS

VoiceStyleData[] provides incomplete output

QUESTION FROM: Nikola Hajdin | 7 months ago BY: Hans Michel
Audio, Sound and Music , Natural Language Processing , ...
7
REPLIES
2.7K
VIEWS

How can I download data from the Securities and Exchange Commission (SEC)?

QUESTION FROM: Gregory Lypny | 7 months ago BY: Gregory Lypny
Data Science , Economics , Finance , Wolfram Language
2
REPLIES
1.9K
VIEWS

Why is the output repeated?

QUESTION FROM: Mohamed Hermas | 7 months ago BY: Hans Milton
Wolfram Language
4
REPLIES
1.7K
VIEWS

Cannot create an App ID in Wolfram Alpha

QUESTION FROM: Edward Cheadle | 7 months ago BY: Pius Kastovsky
Wolfram|Alpha
3
REPLIES
3.3K
VIEWS

How to make a Title for a Midi File?

QUESTION FROM: B. C. | 7 months ago
Audio, Sound and Music , Import and Export , Wolfram Language
0
REPLIES
1K
VIEWS

What is the precedence of logical operators in Wolfram Language

QUESTION FROM: Thomas Barson | 7 months ago BY: Thomas Barson
Logic and Boolean Algebra , Mathematics , Wolfram Language
5
REPLIES
1.8K
VIEWS

How to simplify this complex equation

QUESTION FROM: Claudine Walduck | 7 months ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
3
REPLIES
1.3K
VIEWS

Unexpected solution from FindMinimum and NArgMin

QUESTION FROM: Iuval Clejan | 7 months ago BY: Iuval Clejan
Optimization , Mathematics , Wolfram Language
12
REPLIES
2.7K
VIEWS

Solving a 4th- PDE Numerically?

QUESTION FROM: M.A.A Ahmed | 7 months ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
868
VIEWS

Solving system of equations gives unmatched results

QUESTION FROM: Sami Heidari | 7 months ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
918
VIEWS

Errors using FinancialData[ ]

QUESTION FROM: Gianfranco Zosi | 7 months ago
Curated Data , Data Science , Finance , Wolfram Language
0
REPLIES
920
VIEWS

Fitting data to a square wave

QUESTION FROM: James Hall | 7 months ago BY: David Keith
Curated Data , Graphics and Visualization , Image Processing , ...
19
REPLIES
4.9K
VIEWS

Why doesn't ParallelTable work while Table does in Mathematica 11?

QUESTION FROM: Reza rho | 7 months ago BY: Sander Huisman
High-Performance Computing , Mathematics , Wolfram Language
2
REPLIES
1.6K
VIEWS

DSolve and DirichletConditions in 2D

QUESTION FROM: Mike T | 7 months ago
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
640
VIEWS

Center histogram bins on ticks

QUESTION FROM: Jay Gourley | 7 months ago BY: Jay Gourley
Graphics and Visualization , Statistics and Probability , ...
7
REPLIES
2.3K
VIEWS

Applying the DSolveChangeVariables function

QUESTION FROM: Sinval Santos | 7 months ago
Calculus , Equation Solving , Symbolic Computations , Wolfram Language
0
REPLIES
829
VIEWS

Unexpected result from TravelTime[ ]

QUESTION FROM: Claude Mante | 7 months ago BY: Nick Lariviere
Curated Data , Geographic Information System , Units , ...
1
REPLIES
1.5K
VIEWS

Interpreting strange display of discussion

QUESTION FROM: Jay Gourley | 7 months ago BY: Ahmed Elbanna
Wolfram Community
1
REPLIES
1.1K
VIEWS

How to import IEEE754 floating point numbers into Wolfram, without any change of values?

QUESTION FROM: Leslaw Bieniasz | 7 months ago BY: Daniel Lichtblau
External Programs and Systems , Import and Export , Wolfram Language
1
REPLIES
1.4K
VIEWS

Tabular feature quirk in version 14.2

QUESTION FROM: Mark Holmes | 7 months ago BY: Carl Verdon
Data Science , Wolfram Language
6
REPLIES
2.8K
VIEWS

Getting a curve fit for an outside input/output data set

QUESTION FROM: Sammy Berger | 7 months ago BY: Henrik Schachner
Data Science , Mathematics , Modeling , Wolfram|Alpha , ...
4
REPLIES
2.1K
VIEWS

Choosing columns from a Tabular

QUESTION FROM: Dalila Benachenhou | 7 months ago BY: Dalila Benachenhou
Data Science , Wolfram Language
1
REPLIES
1.1K
VIEWS

Does With[] do anything Assuming[] doesn't do?

QUESTION FROM: Jay Gourley | 7 months ago BY: Jay Gourley
Wolfram Language
4
REPLIES
1.9K
VIEWS

How do I apply AnnihilationOperator[] to a multi FockState?

QUESTION FROM: Asaad Sakhel | 7 months ago
Packages , Physics , Wolfram Language
0
REPLIES
705
VIEWS

Mathematica expression evaluation question

QUESTION FROM: Jay Gourley | 8 months ago BY: Eric Rimbey
Wolfram Language
1
REPLIES
1.3K
VIEWS

Mathematica blocks everything else while running

QUESTION FROM: Ulrich Mosel | 8 months ago BY: Daniel Lichtblau
Physics , Wolfram Community
3
REPLIES
1.5K
VIEWS

Creating a listing of the commands I typed while running Wolfram in a terminal window

QUESTION FROM: Paul Nielan | 8 months ago BY: Paul Nielan
Software Development , Wolfram Language
2
REPLIES
3K
VIEWS

Gridlines extending to plotting range not the specified gridline range

QUESTION FROM: Geoffrey Marnell | 8 months ago BY: Geoffrey Marnell
Graphics and Visualization , Wolfram Language
2
REPLIES
1K
VIEWS

Cannot add notebook to post

QUESTION FROM: David Keith | 8 months ago BY: David Keith
Wolfram Community
2
REPLIES
1.4K
VIEWS

Matrix inverse using singular value decomposition

QUESTION FROM: Charles Elliott | 8 months ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
6
REPLIES
1.4K
VIEWS

Copying a large output to a txt file

QUESTION FROM: Daniil Krichevskiy | 8 months ago BY: Daniil Krichevskiy
Import and Export , Wolfram Language
2
REPLIES
1K
VIEWS

Attempts at defining an efficient Multiplex graph structure

QUESTION FROM: Guillaume Santini | 8 months ago
Graphics and Visualization , Graphs and Networks , Wolfram Language
0
REPLIES
612
VIEWS

How to avoid the numerical instability when solving the step response of a dynamic system?

QUESTION FROM: Jin Ma | 8 months ago BY: Jin Ma
Control Systems , Graphics and Visualization , Wolfram Language
2
REPLIES
1.1K
VIEWS

Changing the Notebook Stylesheet

QUESTION FROM: John Steigerwalt | 8 months ago BY: Paul Nielan
Mathematica , Presentation and Notebooks , User Interface
12
REPLIES
13.8K
VIEWS

Solve, Reduce, and other black arts

QUESTION FROM: Evan Cooch | 8 months ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
1.6K
VIEWS

How can I draw a dynamic line on a TradingChart

QUESTION FROM: Henrick Jeanty | 8 months ago BY: Christopher French
Dynamic Interactivity , Finance , Graphics and Visualization , ...
1
REPLIES
2.1K
VIEWS

DiscretizeGraphics does not work with import of DXF files

QUESTION FROM: Sinval Santos | 8 months ago
Graphics and Visualization , Import and Export , Wolfram Language
0
REPLIES
902
VIEWS

Page background color from a stylesheet

QUESTION FROM: Sinval Santos | 8 months ago BY: Sinval Santos
User Interface , Wolfram Language
2
REPLIES
1.6K
VIEWS

Extracting coefficients from an equation to set them to zero

QUESTION FROM: Sami Heidari | 8 months ago BY: Sami Heidari
Mathematics , Wolfram Language
2
REPLIES
1.1K
VIEWS

Best solver question?

QUESTION FROM: Jay Gourley | 8 months ago BY: Jay Gourley
Calculus , Equation Solving , Mathematics , ...
4
REPLIES
1.4K
VIEWS

Speeding up the fitting of a model with 23 parameters using NonLinearModelfit

QUESTION FROM: Rajesh Chell | 8 months ago BY: Jim Baldwin
Computer Science , Data Science , Mathematics , Modeling , ...
6
REPLIES
2.2K
VIEWS

Using FindFit how to calculate standard deviation of fitted parameters?

QUESTION FROM: Rajesh Chell | 8 months ago
Data Science , Mathematics , Modeling , Wolfram Function Repository , ...
0
REPLIES
898
VIEWS

How mathematica interfacing with PYNQ-Z2 board

QUESTION FROM: Vijaya Babu Panthagani | 8 months ago
Computer Science , Connected Devices , ...
0
REPLIES
927
VIEWS

Assistance with solving coupled equations using module with external file

QUESTION FROM: Mohsen Dayyani Kelisani | 8 months ago BY: Mohsen Dayyani Kelisani
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
1.4K
VIEWS

Building paclet documentation

QUESTION FROM: Guillaume Santini | 8 months ago
Packages , Wolfram Language
0
REPLIES
672
VIEWS

Play command output for a home theater

QUESTION FROM: Gerardo Fernandez | 8 months ago BY: Gerardo Fernandez
Audio, Sound and Music , Engineering , Mathematica
3
REPLIES
11.9K
VIEWS
2
3
4
5
6

New Discussion New Discussion

Announcements Announcements

ANNOUNCEMENTS
Can you answer these questions?
READ FIRST: FORUM RULES »
Pythagorean triple day and the Elkies puzzle
Phase switch driven by the hidden half-ice, half-fire state in a ferrimagnet

Top Tags Top Tags

FEATURED GROUPS
Software Development 626 discussions 1K subscriptions
Publication Materials 278 discussions 228 subscriptions
Import and Export 965 discussions 631 subscriptions
Computational Systems 125 discussions 713 subscriptions
Graphics and Visualization 4K discussions 1K subscriptions
Wolfram Fundamental Physics Project 113 discussions 509 subscriptions
Mathematics 6K discussions 4K subscriptions