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Use Solve with a condition of a limit x is much less than D?

QUESTION FROM: Adam Szewczyk | 9 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
319K
VIEWS

Define a NN function that multiply matrices within a tensor?

QUESTION FROM: Andrew Dabrowski | 9 years ago BY: Todd Rowland
Data Science , Machine Learning , Mathematics , Neural Networks , ...
3
REPLIES
276K
VIEWS

[?] Use Plot Labels for Parametric curves?

QUESTION FROM: Anthony DeGance | 9 years ago BY: David Keith
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
268K
VIEWS

[?] Modify OX labels output format?

QUESTION FROM: Robert Poenaru | 9 years ago BY: Robert Poenaru
Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
250K
VIEWS

[?] Plot disks of radius r=1-f[x]?

QUESTION FROM: Muhammad Afzal | 9 years ago BY: Rolf Mertig
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
248K
VIEWS

How to get the result of a multiplication between a matrix and a vector?

QUESTION FROM: Alberto de la Torre | 6 years ago BY: Christopher Young
Algebra , Control Systems , Engineering , Mathematica , Mathematics , ...
8
REPLIES
88.2K
VIEWS

Creating a 3D mesh plot and exporting it to an STL file for 3D printing

QUESTION FROM: Phalgun Lolur | 11 years ago BY: kulbirdi
3D Printing , Geometry , Graphics and Visualization , Mathematics , ...
6
REPLIES
77.9K
VIEWS

How to show steps in Wolfram Mathematica?

QUESTION FROM: Lukas 007 | 12 years ago BY: Szabolcs Horvát
Education , Mathematica , Mathematics
2
REPLIES
76.9K
VIEWS

Plot multiple functions?

QUESTION FROM: Clarissa Hood | 6 years ago BY: Frank Lobue
Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
63.8K
VIEWS

How to write the ± (plus/minus character)?

QUESTION FROM: Vincenzo Navarra | 12 years ago BY: Sjoerd de Vries
Mathematics , Wolfram|Alpha
4
REPLIES
58.2K
VIEWS

How to force Mathematica calculations in Reals domain only ?

QUESTION FROM: Stefano Bertolucci | 11 years ago BY: EDITORIAL BOARD
Mathematica , Mathematics , Wolfram Language
34
REPLIES
49.6K
VIEWS

How do I tell WolframAlpha which variables are real and which are natural?

QUESTION FROM: Aaron S | 6 years ago BY: M23 J
Mathematics , Wolfram|Alpha
3
REPLIES
45.3K
VIEWS

Optimal lighting configuration of 5 lamps in a square room

QUESTION FROM: Todd Rowland | 13 years ago BY: Todd Rowland
Architecture , Challenges , Engineering , Mathematics , Optics , ...
12
REPLIES
44.5K
VIEWS

Keep only positive and real solutions from Solve?

QUESTION FROM: Fredrik Erling | 4 years ago BY: Phani Sanagavarapu
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
43.6K
VIEWS

How do you plot piecewise functions?

QUESTION FROM: Ben Crain | 12 years ago BY: selahittin cinar
Graphics and Visualization , Mathematica , Mathematics
4
REPLIES
42.6K
VIEWS

How to show step-by-step solutions for Laplace transforms?

QUESTION FROM: George Ayoub | 12 years ago BY: Nasser M. Abbasi
Calculus , Mathematics , Wolfram|Alpha
5
REPLIES
42.3K
VIEWS

Avoid problem of "Recursion depth of 1024 exceeded during evaluation of...?

QUESTION FROM: Shaoyan Robert | 7 years ago BY: Rohit Namjoshi
Mathematics , Operations Research , Wolfram Language
6
REPLIES
41.8K
VIEWS

Modeling jump conditions in interphase mass transfer

QUESTION FROM: Tim Laska | 7 years ago BY: Anonymous User
Staff Picks , Calculus , Chemical Engineering , Chemistry , ...
19
REPLIES
41.6K
VIEWS

Folds in a sheet of paper / metal / cloth

QUESTION FROM: Dietmar Klein | 13 years ago BY: Vitaliy Kaurov
Computer Science , Mathematics , Recreation , Software Development , ...
13
REPLIES
39K
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

Setting derivative boundary conditions in NDSolve

QUESTION FROM: Peter Bischet | 6 years ago BY: Wang JhONG
Mathematics , Mechanical Engineering
8
REPLIES
38.6K
VIEWS

[WSC19] Use Machine Learning to Predict if Topography is Land or Ocean

QUESTION FROM: Khang Minh Nguyen | 7 years ago BY: Khang Minh Nguyen
Curated Data , Data Science , Earth Science , ...
18
REPLIES
37.7K
VIEWS

Intersecting boundary problems when solving PDEs

QUESTION FROM: Marco Thiel | 11 years ago BY: Sergey Slizovskiy
Graphics and Visualization , Mathematica , Mathematics , ...
5
REPLIES
37.6K
VIEWS

Plotting circle equation in Wolfram|Alpha?

QUESTION FROM: Mawe Sprenger | 6 years ago BY: Mahsa Mehrangiz
Equation Solving , Graphics and Visualization , Mathematics , ...
6
REPLIES
37.5K
VIEWS

Solve a system of equations?

QUESTION FROM: Alex Token | 9 years ago BY: Updating Name
Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
36.3K
VIEWS

4-degree polynomial passing through given 3 points

QUESTION FROM: yongran kim | 12 years ago BY: yongran kim
Mathematica , Mathematics , Wolfram Language
5
REPLIES
35.6K
VIEWS

Mathematica for General Relativity and Gravity research

QUESTION FROM: Boris Latosh | 12 years ago BY: Frank Kampas
Astronomy , Mathematica , Mathematics , Physics , Wolfram Language
10
REPLIES
35.5K
VIEWS

Increase the font size of the PlotLegends?

QUESTION FROM: margherita ferrucci | 10 years ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
35.4K
VIEWS

Multiply two matrices?

QUESTION FROM: Timothy Tapio | 7 years ago BY: Timothy Tapio
Algebra , Mathematics , Wolfram Language
5
REPLIES
35.4K
VIEWS

Get the Dot product of two vectors with complex components?

QUESTION FROM: David Mackay | 4 years ago BY: Hans Milton
Algebra , Mathematics , Symbolic Computations , Wolfram Language
21
REPLIES
35.2K
VIEWS

Why won't Mathematica plot my functions?

QUESTION FROM: Frederick Fleitz | 13 years ago BY: Frederick Fleitz
Calculus , Mathematica , Mathematics
3
REPLIES
33.2K
VIEWS

Solve differential equations like x' = Ax; A is a matrix and x is a vector

QUESTION FROM: Sean Beaumont | 5 years ago BY: RAJEEV PATHAK
Equation Solving , Mathematica , Mathematics , Wolfram|Alpha
4
REPLIES
33.1K
VIEWS

Improve neural network performance with Mathematica 11.3 ?

QUESTION FROM: David Proffer | 8 years ago BY: Conrad Taylor
Computer Science , Data Science , External Programs and Systems , ...
30
REPLIES
32K
VIEWS

How to use the Wolfram|Alpha time dilation calculator on Black Holes?

QUESTION FROM: Jack M | 8 years ago BY: Joseph Wiese
Astronomy , Mathematics , Physics , Wolfram|Alpha
9
REPLIES
31.9K
VIEWS

Use a Wolfram Language equivalent to Matlab's "linspace" function?

QUESTION FROM: Ehud Behar | 5 years ago BY: Ehud Behar
Algebra , Mathematics , Wolfram Language
4
REPLIES
31.2K
VIEWS

New fractal curve from golden ratio: how to generate Harriss spiral?

QUESTION FROM: Vitaliy Kaurov | 11 years ago BY: Sam Carrettie
Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
31K
VIEWS

Export as 3D file type STL for 3D printing

QUESTION FROM: Jonathan Chertok | 13 years ago BY: C ormullion
3D Printing , Chemistry , Education , Mathematica , Mathematics , ...
3
REPLIES
30.8K
VIEWS

Applying Norm[ ] to the trig identity Sin^2 + Cos^2 = 1?

QUESTION FROM: Mitchell Sandlin | 7 years ago BY: do chris
Mathematics , Symbolic Computations , Wolfram Language
17
REPLIES
30.8K
VIEWS

[?] Plot two equations and find the intersection point?

QUESTION FROM: Lexie Tutwiler | 8 years ago BY: Marco Thiel
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
13
REPLIES
30.7K
VIEWS

ELSEIF or ELIF in mathematica?

QUESTION FROM: Luis Ledesma | 11 years ago BY: Luis Ledesma
Computational Linguistics , Computer Science , Education , ...
3
REPLIES
30.6K
VIEWS

convert mathematica code to matlab

QUESTION FROM: Lili88 luca | 11 years ago BY: Richard Rankin
Mathematics , Wolfram Language
2
REPLIES
30.5K
VIEWS

Raspberry Pi resources and ideas for children in age range 9 yrs to 14 yrs?

QUESTION FROM: Stuart Bruff | 11 years ago BY: Kyle Keane
Education , Mathematics , Raspberry Pi , Recreation , Wolfram Language
4
REPLIES
30.5K
VIEWS

How to Get a Taylor Series for Multiple Variables?

QUESTION FROM: Frank Kampas | 6 years ago BY: Liam Scanlon
Mathematica , Mathematics
4
REPLIES
30K
VIEWS

How to enter a long logical expression into Wolfram|Alpha?

QUESTION FROM: Jamie Collins | 11 years ago BY: Ilian Gachevski
Mathematics , Wolfram|Alpha
6
REPLIES
29.9K
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

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
29.4K
VIEWS

My program has been running for two days. Is this normal?

QUESTION FROM: Hui Sun | 11 years ago BY: Hui Sun
Aerospace Engineering , Mathematics , Mechanical Engineering , Physics
10
REPLIES
29.4K
VIEWS

Mathematica creating an ellipse

QUESTION FROM: Radek Drozd | 12 years ago BY: Radek Drozd
Geometry , Mathematica , Mathematics , Wolfram Language
62
REPLIES
29.1K
VIEWS

Find Fit for Nonlinear Data

QUESTION FROM: Alejandro Braun | 12 years ago BY: Udo Krause
Data Science , Mathematica , Mathematics , Wolfram Language
18
REPLIES
29.1K
VIEWS

Who can fix math education, and how? Your thoughts please...

QUESTION FROM: Richard Asher | 10 years ago BY: David J M Park Jr
Computer-Based Maths , Computer Science , Education , Mathematics
13
REPLIES
29K
VIEWS

[WSC19] Generating Nets for Random Convex Polyhedra

QUESTION FROM: Sunny Wang | 3 years ago BY: Oliver Jandette
Computer-Based Maths , Geometry , Graphics and Visualization , ...
10
REPLIES
28.8K
VIEWS

Divide a triangle into four small triangles

QUESTION FROM: Luis Ledesma | 12 years ago BY: Luis Ledesma
Augmented and Virtual Realities , Computer Science , Education , ...
9
REPLIES
28.5K
VIEWS

Periodic piecewise function

QUESTION FROM: Javier Montalt | 13 years ago BY: Javier Montalt
Mathematics , Signal Processing
4
REPLIES
28.2K
VIEWS

Maximum Likelihood Estimation

QUESTION FROM: Sandu Ursu | 11 years ago BY: Maha haroon
Economics , Finance , Mathematics , Statistics and Probability
9
REPLIES
28K
VIEWS

How to color each point with a different color in ListPlot?? Please help

QUESTION FROM: Daniel Branco | 11 years ago BY: Daniel Branco
Computer Science , Data Science , Engineering , Image Processing , ...
2
REPLIES
27.8K
VIEWS

[?] What is the intended purpose of ByteArray & how can we use/convert it?

QUESTION FROM: Szabolcs Horvát | 9 years ago BY: Szabolcs Horvát
Import and Export , Mathematica , Mathematics , Wolfram Language
14
REPLIES
27.3K
VIEWS

Meaning of & /@

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

Using Findfit

QUESTION FROM: Damodaran Achary | 8 years ago BY: Rohit Namjoshi
Chemical Engineering , Chemistry , Data Science , Mathematics
8
REPLIES
26.8K
VIEWS

[WSC19] Visualizing Fourier Synthesis

QUESTION FROM: Mukilan Karthikeyan | 7 years ago BY: Mukilan Karthikeyan
Calculus , Discrete Mathematics , Graphics and Visualization , ...
7
REPLIES
26.8K
VIEWS

Append multiple plots with Manipulate

QUESTION FROM: Arm Mo | 8 years ago BY: Matt Woodbury
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
1
REPLIES
26.7K
VIEWS

Heat Transfer Problem

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

Get step-by-step solutions with Wolfram|Alpha Pro?

QUESTION FROM: Grant Larsen | 9 years ago BY: Grant Larsen
Calculus , Mathematics , Symbolic Computations , Wolfram|Alpha , ...
2
REPLIES
26.3K
VIEWS

Partial Derivative problem using Mathematica

QUESTION FROM: Andrzej Suchanski | 10 years ago BY: Andrzej Suchanski
Calculus , Mathematics , Wolfram Language
2
REPLIES
26.3K
VIEWS

Networks' complexity measures with Wolfram Language?

QUESTION FROM: Vitaliy Kaurov | 9 years ago BY: Hector Zenil
Graphs and Networks , Mathematics , ...
13
REPLIES
25.8K
VIEWS

How to use do, for, while loops?

QUESTION FROM: Alice Bishop | 12 years ago BY: David Reiss
Mathematica , Mathematics , Wolfram Language
4
REPLIES
25.7K
VIEWS

Linear algebra & Calculus& equation

QUESTION FROM: Ahmed Al-Ali | 12 years ago BY: Michael Rogers
Architecture , Calculus , Computable Document Format , Economics , ...
3
REPLIES
25.6K
VIEWS

"SafeCracker" puzzle - a coffee table challenge

QUESTION FROM: Helen Shiells | 11 years ago BY: Vitaliy Kaurov
Challenges , Data Science , Image Processing , Mathematics , ...
4
REPLIES
25.6K
VIEWS

The quantity is not a quantified system of equations and inequalities

QUESTION FROM: Giovanni Ferdina | 11 years ago BY: Giovanni Ferdina
Aerospace Engineering , Chemical Engineering , Civil Engineering , ...
3
REPLIES
25.5K
VIEWS

Finding the actual wind power at a location for a given period?

QUESTION FROM: Daniel Connell | 10 years ago BY: Nicholas Teague
Environmental Science , Mathematics , Numerical Computation , ...
5
REPLIES
25.4K
VIEWS

Elementary Row Operations in Wolfram|Alpha

QUESTION FROM: Betty Love | 6 years ago BY: Frank Lobue
Algebra , Mathematics , Wolfram|Alpha
10
REPLIES
25.4K
VIEWS

Problem using WhenEvent to constrain solution

QUESTION FROM: Julian Lovlie | 13 years ago BY: Nicolas Venuti
Engineering , Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
25.4K
VIEWS

Step-by-step solutions of indefinite integral?

QUESTION FROM: Gennaro Arguzzi | 9 years ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
25.1K
VIEWS

Place an equation on a Plot?

QUESTION FROM: Peter Munro | 9 years ago BY: Neil Singer
Graphics and Visualization , Mathematics , Wolfram Language
26
REPLIES
25K
VIEWS

Having difficulty with "use Reduce for complete solution information"

QUESTION FROM: David Arnold | 12 years ago BY: David Arnold
Mathematica , Mathematics , Wolfram Language
5
REPLIES
25K
VIEWS

Assume real values of an enxpression while using Simplify or FullSimplify?

QUESTION FROM: Jan Redwi?ski | 10 years ago BY: Jan Redwi?ski
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
24.7K
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

Use Assumptions and Integrate?

QUESTION FROM: Daniel Huber | 9 years ago BY: Daniel Lichtblau
Calculus , Mathematics , Wolfram Language
7
REPLIES
24.3K
VIEWS

Plot a one variable function with different values for a constant?

QUESTION FROM: Luciano Pinheiro | 8 years ago BY: Luciano Pinheiro
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
24.1K
VIEWS

Remove curly brackets from table?

QUESTION FROM: adnan saeed butt | 10 years ago BY: Sander Huisman
Mathematics , Wolfram Language
5
REPLIES
24K
VIEWS

FindRoot help with precision and accuracy

QUESTION FROM: Miguel Olivo-V | 11 years ago BY: Frank Kampas
Equation Solving , Mathematica , Mathematics , ...
11
REPLIES
24K
VIEWS

[JOB] Earn income creating a Mathematica notebook

QUESTION FROM: Richard Gaylord | 4 years ago BY: Luis Felipe Massena Misiec
Authoring and Publishing , Jobs & More Exchange , Mathematics , ...
3
REPLIES
23.8K
VIEWS

Solve bus routing problem with a single destination and multiple depots?

QUESTION FROM: Matthias Odisio | 9 years ago BY: Matthias Odisio
Engineering , Graphics and Visualization , Optimization , ...
6
REPLIES
23.7K
VIEWS

Solve analytically the following partial differential equations (PDE's)?

QUESTION FROM: Mirza Farrukh Baig | 2 years ago BY: Tom Water
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
25
REPLIES
23.5K
VIEWS

Using NetModel to "fine tune" models with new final layers?

QUESTION FROM: David Cardinal | 9 years ago BY: David Cardinal
Machine Learning , Mathematics , Neural Networks , Wolfram Language
9
REPLIES
23.5K
VIEWS

Laplace transform of Power function

QUESTION FROM: Mohammed Sadeq | 11 years ago BY: Mohammed Sadeq
Calculus , Mathematics , Wolfram|Alpha , Wolfram|Alpha Apps , ...
2
REPLIES
23.4K
VIEWS

[?] Calculate moment of inertia from STL?

QUESTION FROM: Daniel Marsden-Jones | 9 years ago BY: Daniel Marsden-Jones
Mathematics , Mechanical Engineering , Physics , ...
3
REPLIES
23.2K
VIEWS

Triple integrals in wolframalpha

QUESTION FROM: Adriana Zerbini | 11 years ago BY: Adriana Zerbini
Calculus , Mathematics , Physics , Wolfram|Alpha
2
REPLIES
23.1K
VIEWS

How to find the first 100 prime twins without a do loop or iteration

QUESTION FROM: H FR | 13 years ago BY: EDITORIAL BOARD
Mathematica , Mathematics
16
REPLIES
23.1K
VIEWS

Distance between 2 flat molecules

QUESTION FROM: A Y | 12 years ago BY: Mohammad Khan
Chemistry , Geometry , Mathematica , Mathematics , Physics , ...
13
REPLIES
23K
VIEWS

Closed spline going through points

QUESTION FROM: Ed Pegg | 11 years ago BY: Michael Hale
Graphics and Visualization , Mathematica , Mathematics
20
REPLIES
22.9K
VIEWS

Help with 3d graphing of a hyperboloid

QUESTION FROM: james lemmon | 11 years ago BY: james lemmon
Calculus , Engineering , Mathematics , Mechanical Engineering , ...
2
REPLIES
22.8K
VIEWS

How do you make a piecewise function of two variables and plot it?

QUESTION FROM: Nicholas Yevcak | 12 years ago BY: Nicholas Yevcak
Graphics and Visualization , Mathematica , Mathematics
2
REPLIES
22.8K
VIEWS

Delete cases for a list of pairs of numbers?

QUESTION FROM: Bryan Lettner | 10 years ago BY: Paul Cleary
Mathematics , Wolfram Language
8
REPLIES
22.7K
VIEWS

Tetration function in Wolfram Alpha?

QUESTION FROM: Alexander Wolters | 9 years ago BY: Daniel Lichtblau
Mathematics , Wolfram|Alpha , Wolfram Language
4
REPLIES
22.7K
VIEWS

Why does Sqrt[] only return positive values rather than +/-?

QUESTION FROM: Michael Gmirkin | 10 years ago BY: Eric Johnstone
Algebra , Mathematica , Mathematics , Wolfram Language
12
REPLIES
22.6K
VIEWS

Plotting 3D Surface Intersections as 3D Curves

QUESTION FROM: Ed Frank | 3 years ago BY: Arben Kalziqi
Graphics and Visualization , Mathematica , Mathematics
4
REPLIES
22.6K
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
22.5K
VIEWS

resolution of an equation

QUESTION FROM: abddellatif loua | 10 years ago BY: abddellatif loua
Calculus , Equation Solving , Group Theory , Optimization , ...
14
REPLIES
22.5K
VIEWS

[?] NSolve[2x== 0,x] return {{}} in Mathematica 11.0.1?

QUESTION FROM: Gijsbert Wiesenekker | 9 years ago BY: Walter Haeffner
Equation Solving , Mathematica , Mathematics , ...
23
REPLIES
22.5K
VIEWS

NonlinearModelFit - syntax and interpreting the fit

QUESTION FROM: syed islam | 7 years ago BY: James McBride
Optimization , Mathematics , Wolfram Language
15
REPLIES
22.5K
VIEWS
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