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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
19
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

How to declare a list of functions in ODE system solving?

QUESTION FROM: Joao Pedro | 10 years ago BY: Frank Kampas
Mathematica
8
REPLIES
5.2K
VIEWS

Mathematica 10 licensing & bug-fixes

CONTRIBUTED BY: Paul Anderson | 10 years ago BY: Michael Steffen
Mathematica
8
REPLIES
15.1K
VIEWS

How To Connect To Google API Services?

QUESTION FROM: David Johnston | 10 years ago BY: David Johnston
Data Science , Wolfram|Alpha , Wolfram Cloud , ...
8
REPLIES
36.2K
VIEWS

Why this Integral is not working?

QUESTION FROM: ROHIT MISHRA | 10 years ago BY: ROHIT MISHRA
Calculus
8
REPLIES
4.2K
VIEWS

Please help to understand why NDSolve is not solving a nonlinear PDE in 2D?

QUESTION FROM: David Quesada | 10 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Wolfram Language
8
REPLIES
9.2K
VIEWS

Multidimensional Analogies of One-dimensional concepts

QUESTION FROM: Michal Komorowski | 10 years ago BY: Daniel Lichtblau
Mathematics
8
REPLIES
2.8K
VIEWS

Numbers as variables

QUESTION FROM: Sabine Flamand | 10 years ago BY: Sabine Flamand
Economics , Mathematics , Social Science
8
REPLIES
10.5K
VIEWS

How to call an external function from within a numerical integration

QUESTION FROM: Rene Samson | 10 years ago BY: Rene Samson
Engineering , Mathematics , Physics
8
REPLIES
9.1K
VIEWS

Equation solving,

QUESTION FROM: Suleman Khalid | 10 years ago BY: Suleman Khalid
Mathematics , Physics
8
REPLIES
6.9K
VIEWS

How to approximate a bezier curve with a polynom f(x) ?

QUESTION FROM: Matt Paro | 10 years ago BY: Henrik Schachner
Computer Science , Mathematics , Software Development , Visual Arts
8
REPLIES
8.7K
VIEWS

WeatherData

QUESTION FROM: Daniel Cross | 10 years ago BY: Daniel Cross
Earth Science , Mathematica , Wolfram Language
8
REPLIES
10K
VIEWS

Plotting more curves with "switchable" legend - no color correspondence...

QUESTION FROM: C P | 10 years ago BY: Elton TeKolste
Graphics and Visualization , Mathematica , Mathematics , ...
8
REPLIES
13.2K
VIEWS

Integration - symbols make a difference?

QUESTION FROM: Yaj Bhattacharya | 10 years ago BY: Sean Clarke
Mathematica , Mathematics , Physics
8
REPLIES
6.5K
VIEWS

Vector as an argument in function definition

QUESTION FROM: Al Guy | 10 years ago BY: David Keith
Mathematica
8
REPLIES
10.1K
VIEWS

Authorizing SocialMediaData through JLink or custom Front End

QUESTION FROM: John Borland | 10 years ago BY: David Johnston
External Programs and Systems , Mathematica , Software Development
8
REPLIES
12.8K
VIEWS

Graphing 2D circles in 3D

QUESTION FROM: William Steinhardt | 10 years ago BY: Simon Cadrin
Geometry , Graphics and Visualization , Wolfram Language
8
REPLIES
22K
VIEWS

Rotate and Scale many times an equilateral triangle

QUESTION FROM: Luis Ledesma | 10 years ago BY: Luis Ledesma
Computer Science , Education , Engineering , Game Development , ...
8
REPLIES
14.5K
VIEWS

Star Shape cartesian equation

QUESTION FROM: Kashif Nazar | 10 years ago BY: Gianluca Gorni
Image Processing
8
REPLIES
14.3K
VIEWS

Why GraphPlot uses \[Rule] for edges in place of \[DirectedEdge] ?

QUESTION FROM: Flavio Sartoretto | 10 years ago BY: Flavio Sartoretto
Mathematica , Mathematics , Wolfram Language
8
REPLIES
5.9K
VIEWS

Working with FormFunction

QUESTION FROM: Kuba Podkalicki | 10 years ago BY: Avery Kramer
Wolfram Cloud , Wolfram Development Platform , Wolfram Language
8
REPLIES
15.8K
VIEWS

Mathematica 8 - problem with NDSolve function for differential equation

QUESTION FROM: Jacek Michalski | 10 years ago BY: Kay Herbert
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
8
REPLIES
6.8K
VIEWS

ListCorrelate results in a time shifted vector

QUESTION FROM: Cole Pierson | 10 years ago BY: David Keith
Mathematica , Signal Processing
8
REPLIES
9.9K
VIEWS

Question about executing a Webapp with webmathematica

QUESTION FROM: D H D | 10 years ago BY: D H D
webMathematica
8
REPLIES
13K
VIEWS

Why are Ticks not working Month by Month

QUESTION FROM: Jos Klaps | 10 years ago BY: Jos Klaps
Graphics and Visualization
8
REPLIES
6.8K
VIEWS

Ten commands in statistic in Mathematica 7

QUESTION FROM: Tasneem Smadi | 10 years ago BY: Luis Ledesma
Mathematica , Mathematics , Statistics and Probability , ...
8
REPLIES
8.2K
VIEWS

How to export Tables with high precision and column headers?

QUESTION FROM: Peter Bergmann | 10 years ago BY: Peter Bergmann
Import and Export , Mathematica , Wolfram Language
8
REPLIES
10.3K
VIEWS

ScrollPosition

QUESTION FROM: Michael McCain | 10 years ago BY: Michael McCain
Authoring and Publishing , Mathematica
8
REPLIES
9.6K
VIEWS

3 equations with 3 unknown variables - no Show Steps in Wolfram Alpha

QUESTION FROM: ivan ivanov | 10 years ago BY: Frank Kampas
Algebra , Wolfram|Alpha
8
REPLIES
18.5K
VIEWS

Is there a way to run Python from within Mathematica 10.0.2?

QUESTION FROM: Alachew Mengist | 10 years ago BY: Peter Crosbie
External Programs and Systems , Mathematica , Wolfram Language
8
REPLIES
27K
VIEWS

Integral equations in Wolfram Language

QUESTION FROM: Yaj Bhattacharya | 10 years ago BY: Henrik Schachner
Calculus , Equation Solving , Wolfram Language
8
REPLIES
7.5K
VIEWS

Distibutive property of Conjugate

QUESTION FROM: Saf Al | 10 years ago BY: Saf Al
Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
7.8K
VIEWS

How can I perform exponential regression analysis on an uploaded data set?

QUESTION FROM: Bruce Rhodewalt | 10 years ago BY: Sean Clarke
Wolfram|Alpha
8
REPLIES
14K
VIEWS

How to unite intervals?

QUESTION FROM: Julia Ilkiv | 10 years ago BY: Twan van der Schoot
Mathematics , Wolfram Language
8
REPLIES
7.5K
VIEWS

NMaximize gives wrong result

QUESTION FROM: Thanasis Mnt | 10 years ago BY: Thanasis Mnt
Mathematica , Optimization , Wolfram Language
8
REPLIES
9K
VIEWS

Not sure how to word a fairly complicated data request

QUESTION FROM: Dylan Hendricks | 10 years ago BY: Jos Klaps
Wolfram|Alpha
8
REPLIES
10.2K
VIEWS

Mathematica RDK does not connect to the Raspberry Pi

QUESTION FROM: Björn Forster | 10 years ago BY: Cliff Kotnik
External Programs and Systems , Mathematica , Raspberry Pi , ...
8
REPLIES
40.9K
VIEWS

How to save output of commands like Solve

QUESTION FROM: Seyedamin Hashemi | 10 years ago BY: Thai Kee Gan
Import and Export , Mathematics , Wolfram Language
8
REPLIES
10.1K
VIEWS

Extracting mesh coordinates from a Plot3D

QUESTION FROM: Skip Cave | 10 years ago BY: Skip Cave
Graphics and Visualization , Mathematica , Wolfram Language
8
REPLIES
13K
VIEWS

How do I create a matrix that has a function as its values?

QUESTION FROM: Andrew Meador | 10 years ago BY: Andrew Meador
Algebra , Mathematica , Wolfram Language
8
REPLIES
6.5K
VIEWS

Linearization of differential equation

QUESTION FROM: B B | 10 years ago BY: Gianluca Gorni
Calculus , Wolfram Language
8
REPLIES
18.9K
VIEWS

Idea for improving Mathematica's Language Rating

CONTRIBUTED BY: Gustavo Delfino | 10 years ago BY: Sam Carrettie
Demonstrations , Mathematica , Wolfram Language
8
REPLIES
16.4K
VIEWS

S L O O O O W tonight

CONTRIBUTED BY: David Keith | 10 years ago BY: Thai Kee Gan
Wolfram Community
8
REPLIES
15.4K
VIEWS

Clipping of graphs.

QUESTION FROM: Sander Huisman | 10 years ago BY: Sander Huisman
Graphics and Visualization , Wolfram Language
8
REPLIES
5.7K
VIEWS

Trouble using ListPlot and ListLogLogPlot and curve fitting in W.Alpha

QUESTION FROM: Daniel Loughlin | 10 years ago BY: Bruce Miller
Graphics and Visualization , Import and Export , Optimization , ...
8
REPLIES
11.8K
VIEWS

Bizzare division bug. Take a look! (Am I missing something obvious here?)

QUESTION FROM: Ted Sanders | 10 years ago BY: Ted Sanders
Wolfram Cloud , Wolfram Development Platform
8
REPLIES
9.1K
VIEWS

why Mathematica 10 does not compute this integral?

QUESTION FROM: Hong Liu | 10 years ago BY: Daniel Lichtblau
Calculus , Mathematica , Wolfram Language
8
REPLIES
11.3K
VIEWS

Origami: Mathematica and Wolfram|Alpha Logos

CONTRIBUTED BY: Xueqin Cai | 10 years ago BY: Andrea Gerlach
Staff Picks , Graphics and Visualization , Mathematica , Recreation , ...
8
REPLIES
82.7K
VIEWS

Question about MarcumQ function

QUESTION FROM: Saf Al | 11 years ago BY: Saf Al
Mathematica , Mathematics , Statistics and Probability
8
REPLIES
11.2K
VIEWS

How do I replace a list of values in a expression automatically?

QUESTION FROM: ash ash | 11 years ago BY: ash ash
Wolfram Language
8
REPLIES
12.4K
VIEWS

repeated sampling from a list

QUESTION FROM: Philip Cooper | 11 years ago BY: Philip Cooper
Graphics and Visualization , Mathematica , ...
8
REPLIES
10.4K
VIEWS

My plot is coming up empty. Can someone help me figure out why?

QUESTION FROM: Charles Stanley | 11 years ago BY: Udo Krause
Mathematica
8
REPLIES
7.2K
VIEWS

Laptop compatibility for Raspberry Pi

QUESTION FROM: Douglas Youvan | 11 years ago BY: David Keith
Raspberry Pi , Wolfram Language
8
REPLIES
9.7K
VIEWS

Mathematica 10 not responding with Manipulations built in v8, why?

QUESTION FROM: Wayne Weaver | 11 years ago BY: David Reiss
Dynamic Interactivity , Mathematica , User Interface
8
REPLIES
10.7K
VIEWS

Homework Help

QUESTION FROM: Jasmine Thongnopnua | 11 years ago BY: David Reiss
Calculus , Mathematica
8
REPLIES
5.2K
VIEWS

while loop issues

QUESTION FROM: Derek du Plessix | 11 years ago BY: Derek du Plessix
Mathematica , Numerical Computation
8
REPLIES
6K
VIEWS

i want to transfer function to programming by mma!!

QUESTION FROM: kevin kevin | 11 years ago BY: Daniel Lichtblau
Algebra , Mathematica , Wolfram Language
8
REPLIES
4.8K
VIEWS

FindList AND Rule to find lines with ALL (not just any) Specified Strings

QUESTION FROM: Bob Stephens | 11 years ago BY: Bob Stephens
Import and Export , Mathematica , Wolfram Language
8
REPLIES
8.7K
VIEWS

Frequent Mathematica 10.0.1.0 Crashes

QUESTION FROM: q q | 11 years ago BY: q q
Mathematica , Wolfram|Alpha Integration
8
REPLIES
14.5K
VIEWS

How can I reach my wolfram APIs from mobile app

QUESTION FROM: Suat Karabacak | 11 years ago BY: David Johnston
User Interface , Wolfram Cloud , Wolfram Development Platform , ...
8
REPLIES
8K
VIEWS

Stripping Strings to Get Numerics

QUESTION FROM: Brad Varey | 11 years ago BY: Jaebum Jung
Import and Export , Mathematica , Wolfram Language
8
REPLIES
7.1K
VIEWS

Using an image as a variable for integrating

QUESTION FROM: Daniel Solis | 11 years ago BY: Itai Seggev
Calculus , Education , Mathematica , Symbolic Computations , ...
8
REPLIES
10.6K
VIEWS

norm of a cylindrical vector?

QUESTION FROM: T Zintel | 11 years ago BY: Bruce Miller
Geometry , Mathematica , Wolfram Language
8
REPLIES
11.5K
VIEWS

Numerical Error with Matrix operations

QUESTION FROM: Gordon | 11 years ago BY: Gordon
Algebra , Numerical Computation , Wolfram Language
8
REPLIES
8.3K
VIEWS

Regarding the volume via an implicit method

QUESTION FROM: Ben Corse | 11 years ago BY: Ben Corse
Calculus , Geometry , Mathematica , Wolfram Language
8
REPLIES
9.6K
VIEWS

Entities and Knowledge Representation

QUESTION FROM: Mark Linehan | 11 years ago BY: David J M Park Jr
Wolfram Development Platform , Wolfram Language
8
REPLIES
7.8K
VIEWS

Kernel hangs up when evaluating simple expression.

QUESTION FROM: Mario Weitzer | 11 years ago BY: Douglas Skinner
Algebra , Mathematica , Mathematics
8
REPLIES
8.6K
VIEWS

Moments of a generic random variable (symbolic)

QUESTION FROM: Daniela Scida | 11 years ago BY: Daniela Scida
Mathematica , Statistics and Probability , Wolfram Language
8
REPLIES
10.6K
VIEWS

Auto completion and suggestions bar not available on PI?

QUESTION FROM: Sven Wiebus | 11 years ago BY: Szabolcs Horvát
Education , Mathematica , Raspberry Pi
8
REPLIES
15.3K
VIEWS

Reading potentiometer values through your Arduino with your Raspberry Pi

CONTRIBUTED BY: Arnoud Buzing | 11 years ago BY: Ian Johnson
External Programs and Systems , Raspberry Pi , Wolfram Language
8
REPLIES
30.6K
VIEWS

Solve Inequalities

QUESTION FROM: Mauro Dinardo | 11 years ago BY: Frank Kampas
Calculus , Mathematica , Mathematics
8
REPLIES
4.1K
VIEWS

What's Wolfram working on with respect to the RPi?

QUESTION FROM: BoB LeSuer | 11 years ago BY: sean max
Mathematica , Raspberry Pi , Wolfram Language
8
REPLIES
10K
VIEWS

ScalingFunctions option should be implemented in more functions

QUESTION FROM: Ernst H.K. Stelzer | 11 years ago BY: Ernst H.K. Stelzer
Graphics and Visualization , Mathematica , Wolfram Language
8
REPLIES
13.3K
VIEWS

Return[] in functions

QUESTION FROM: Pavel AZ | 11 years ago BY: Alexey Popkov
Wolfram Language
8
REPLIES
11.5K
VIEWS

How to suppress display of input source in a displayed cdf file?

QUESTION FROM: William Stewart | 11 years ago BY: Hans Milton
Computable Document Format , Import and Export , Wolfram Language
8
REPLIES
16.5K
VIEWS

Format | Edit Stylesheet Has No Effect on Input or Ouput font

QUESTION FROM: Brian Lamm | 11 years ago BY: Brian Lamm
Mathematica , User Interface
8
REPLIES
8.2K
VIEWS

How does one start a Subtitle Cell in V10?

QUESTION FROM: David J M Park Jr | 11 years ago BY: Larry Adelston
Mathematica , User Interface
8
REPLIES
13.5K
VIEWS

Two math education tracks? Yes, No or maybe so?

QUESTION FROM: paul miller | 11 years ago BY: paul miller
Education , Mathematics
8
REPLIES
9.7K
VIEWS

Problem with constructing a function - Module inside a Manipulate

QUESTION FROM: Petar M | 11 years ago BY: Petar M
Dynamic Interactivity , Modeling , Physics , Wolfram Language
8
REPLIES
9.9K
VIEWS

Need help to fix the syntax error in plotting

QUESTION FROM: Jaydeep Yadav | 11 years ago BY: Jaydeep Yadav
Graphics and Visualization , Mathematica , Modeling , Wolfram Language
8
REPLIES
7.8K
VIEWS

Having Trouble Logging Into or Accessing the Wolfram Programming Cloud?

QUESTION FROM: Jesus Hernandez | 11 years ago BY: Bruce Miller
Wolfram Cloud , Wolfram Development Platform
8
REPLIES
19K
VIEWS

Combination Method - fitting two parameters to data

QUESTION FROM: INTAN SUPRABA | 11 years ago BY: INTAN SUPRABA
Optimization , Statistics and Probability , Wolfram Language
8
REPLIES
7.8K
VIEWS

Trying to plot a function in Mathematica

QUESTION FROM: Yaj Bhattacharya | 11 years ago BY: Marco Thiel
Graphics and Visualization , Mathematica , Wolfram Language
8
REPLIES
8.5K
VIEWS

How do I solve and plot the equations for an RC circuit?

QUESTION FROM: Jake Trexel | 11 years ago BY: Jake Trexel
Engineering , Equation Solving , Graphics and Visualization , ...
8
REPLIES
9.4K
VIEWS

DSolve simply freezing with yellow bar bracket

QUESTION FROM: Dev G | 11 years ago BY: Bill Simpson
Algebra , Calculus , Equation Solving , Mathematica , Wolfram Language
8
REPLIES
4.9K
VIEWS

One Way to Query Wolfram Alpha from Python

CONTRIBUTED BY: Shenghui Yang | 11 years ago BY: Shenghui Yang
External Programs and Systems , Wolfram|Alpha
8
REPLIES
28.2K
VIEWS

Integration in Mathematica 9

QUESTION FROM: Yaj Bhattacharya | 11 years ago BY: Yaj Bhattacharya
Calculus , Mathematica , Presentation and Notebooks , Wolfram Language
8
REPLIES
6.6K
VIEWS

Finding Longest Path in a Directed Graph

QUESTION FROM: Pat Dillon | 11 years ago BY: Szabolcs Horvát
Graphs and Networks , Mathematica , Wolfram Language
8
REPLIES
12.9K
VIEWS

Incorrect Negative values in graphic

QUESTION FROM: Lindsay Bradley | 11 years ago BY: Szabolcs Horvát
Graphics and Visualization , Wolfram Language
8
REPLIES
4.7K
VIEWS

Speeding up the FindMinimum function

QUESTION FROM: Matty Mookerjee | 11 years ago BY: Daniel Lichtblau
Mathematica , Optimization , Numerical Computation , Wolfram Language
8
REPLIES
13.1K
VIEWS

help cleaning up a list

QUESTION FROM: Michael Marino | 11 years ago BY: David Reiss
Import and Export , Mathematica , Wolfram Language
8
REPLIES
7K
VIEWS

How do I get output with simple numbers with just one power of 10

QUESTION FROM: Andrew Pepes | 11 years ago BY: Andrew Pepes
Mathematica , Mathematics , Wolfram Language
8
REPLIES
7.8K
VIEWS

Creating GUI with Mathematica & Integrate with Webpage

QUESTION FROM: Arvind Rajan | 11 years ago BY: Sam Carrettie
Computable Document Format , Mathematica , webMathematica , ...
8
REPLIES
21K
VIEWS

FindRoot troubles

QUESTION FROM: Michael Paterson | 11 years ago BY: Michael Paterson
Equation Solving , Mathematica , Numerical Computation , ...
8
REPLIES
7.8K
VIEWS

Financial Plaform and Mathematica

QUESTION FROM: Daniel Hong | 11 years ago BY: Michael Stern
Finance , Finance Platform , Mathematica
8
REPLIES
36.5K
VIEWS

Constructing multiple choice questions for student notebooks.

QUESTION FROM: W. Craig Carter | 11 years ago BY: Erin Craig
Computer-Based Maths , Education , Interface Construction , ...
8
REPLIES
24.8K
VIEWS

Can't verify a solution of a simple algebraic equation.

QUESTION FROM: Tigran Aivazian | 11 years ago BY: Tigran Aivazian
Algebra , Calculus , Mathematica
8
REPLIES
4K
VIEWS

Simple Spritz Reader on Wolfram Language

CONTRIBUTED BY: Rodrigo Murta | 11 years ago BY: Marco Thiel
Dynamic Interactivity , Wolfram Language
8
REPLIES
22.3K
VIEWS

Integrate will not evaluate three-dimensional gaussian

QUESTION FROM: C. E. Coppola | 11 years ago BY: W. Craig Carter
Astronomy , Chemical Engineering , Computer Science , Data Science , ...
8
REPLIES
17.5K
VIEWS

Mathematica Enterprise CDF generation: how to make it work

QUESTION FROM: Pedro Fonseca | 11 years ago BY: Rodrigo Murta
Mathematica , Wolfram CDF Player
8
REPLIES
7.3K
VIEWS

Package Development Standards

QUESTION FROM: Ariel Sepulveda | 11 years ago BY: Szabolcs Horvát
Mathematica , Software Development , Wolfram Language
8
REPLIES
15.1K
VIEWS
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