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[WSG21] Daily Study Group: Differential Equations (begins November 29)

CONTRIBUTED BY: Devendra Kapadia | 5 years ago BY: Michael Partensky
Calculus , Chemistry , Control Systems , Economics , Education , ...
170
REPLIES
60.2K
VIEWS

[WSG21] Daily Study Group: System Modeler for Engineering

CONTRIBUTED BY: Jamie Peterson | 5 years ago BY: Jamie Peterson
Education , Engineering , Events & Media , Modeling , SystemModeler , ...
38
REPLIES
23.3K
VIEWS

Solver for unsteady flow with the use of Mathematica FEM

CONTRIBUTED BY: Alexander Trounev | 10 months ago BY: Alexander Trounev
Staff Picks , Engineering , Graphics and Visualization , ...
36
REPLIES
51.7K
VIEWS

How can I get to new lists?

QUESTION FROM: M.A. Ghorbani | 7 years ago BY: Alex Teymouri
Civil Engineering , Economics , Engineering , Know-How , ...
23
REPLIES
15.1K
VIEWS

Error in ThermodynamicData - SoundSpeed (Mathematica 10)

QUESTION FROM: Glenn Carlson | 12 years ago BY: Glenn Carlson
Curated Data , Engineering , Wolfram Language
22
REPLIES
18.7K
VIEWS

Dzhanibekov effect or tennis racket theorem

CONTRIBUTED BY: Mariusz Iwaniuk | 10 years ago BY: Arkadiusz Jadczyk
Staff Picks , Astronomy , Engineering , Graphics and Visualization , ...
20
REPLIES
40.5K
VIEWS

How do I connect Arduino to Mathematica kernel?

QUESTION FROM: David DeBrota | 11 years ago BY: Jessica Magno Cardenas
Connected Devices , Engineering , External Programs and Systems , ...
20
REPLIES
48.8K
VIEWS

3D Helmholtz resonance in the violin body with f-holes

CONTRIBUTED BY: Alexander Trounev | 5 years ago BY: Alexander Trounev
Staff Picks , Audio, Sound and Music , Engineering , ...
19
REPLIES
20.6K
VIEWS

Use InterpolatingPolynomial with a lot of data?

QUESTION FROM: Jaime de la Mota | 7 years ago BY: Jaime de la Mota
Algebra , Control Systems , Data Science , Engineering , ...
19
REPLIES
10.4K
VIEWS

Working with lists - comparing data in lists of unequal length.

QUESTION FROM: David Kirkby | 7 years ago BY: M.A. Ghorbani
Data Science , Engineering , Modeling , Physics , ...
17
REPLIES
16.3K
VIEWS

Export data (graphs) in excel/txt/csv format?

QUESTION FROM: Cornel B. | 3 years ago BY: Cornel B.
Control Systems , Engineering , Import and Export , Wolfram Language
16
REPLIES
10.1K
VIEWS

Accurately calculate tick tock period of mechanical watches?

QUESTION FROM: Mor Bo | 7 years ago BY: Mor Bo
Audio, Sound and Music , Engineering , Graphics and Visualization , ...
16
REPLIES
18.7K
VIEWS

Palette for Inputting Typeset Units and Package with Input Aliases

CONTRIBUTED BY: Terrence Honan | 10 years ago BY: Terrence Honan
Engineering , Mathematica , Mathematica Add-Ons , Physics , Units
15
REPLIES
46.8K
VIEWS

Integrate integral C2 were the integand is a table and the output g1 table

QUESTION FROM: Luke Schutzenhofer | 12 years ago BY: Luke Schutzenhofer
Calculus , Engineering , Mathematica , Numerical Computation , ...
15
REPLIES
13.8K
VIEWS

Numerical Integration

QUESTION FROM: Luke Schutzenhofer | 11 years ago BY: Mariusz Iwaniuk
Aerospace Engineering , Civil Engineering , Engineering , ...
14
REPLIES
15.4K
VIEWS

Mathematica's benefits and difficulties

QUESTION FROM: Amanda Correa | 9 years ago BY: Amanda Correa
Education , Engineering , Mathematica , Wolfram Community , ...
13
REPLIES
23.3K
VIEWS

Simulating mechanics of a cylinder rolling on a parabola

QUESTION FROM: Jef Barthe | 13 years ago BY: Erik Mahieu
Engineering , Mathematica , Physics , SystemModeler
12
REPLIES
41.2K
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

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

Bloom pattern for flat-foldable origami orbital solar sail or solar shield

CONTRIBUTED BY: Gilmer Gary | 4 months ago BY: Gilmer Gary
Staff Picks , 3D Printing , Astronomy , Education , Engineering , ...
11
REPLIES
2.8K
VIEWS

noise removal question (when ground truth distribution is known)

QUESTION FROM: Russell Butler | 11 years ago BY: Kay Herbert
Audio, Sound and Music , Biological Sciences , Data Science , ...
11
REPLIES
12.6K
VIEWS

Distributed parameter beam system: determine natural frequencies

QUESTION FROM: Kaitlin Smith | 13 years ago BY: Kaitlin Smith
Engineering , Mathematica , Wolfram Language
11
REPLIES
7.7K
VIEWS

How suitable is Mathematica for a Space Elevator simulation

QUESTION FROM: John Knapman | 9 years ago BY: John Knapman
Aerospace Engineering , Engineering , Modeling , SystemModeler , ...
10
REPLIES
19.3K
VIEWS

Parameter estimation for nonlinear difference equation

QUESTION FROM: Craig Randall | 10 years ago BY: Craig Randall
Discrete Mathematics , Engineering , Equation Solving , ...
10
REPLIES
8.5K
VIEWS

Avoiding fracture of a ship moving through temperature gradient

QUESTION FROM: Luis Ledesma | 12 years ago BY: Bill Simpson
Engineering , Mathematics , Wolfram Language
10
REPLIES
12.2K
VIEWS

Heat Transfer Problem

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

Solve the Extended Generalized Bivariate Meijer G Function (EGBMGF)?

QUESTION FROM: Marko Smilic | 7 months ago BY: Mariusz Iwaniuk
Engineering , Equation Solving , Mathematics , ...
9
REPLIES
15.6K
VIEWS

HankelH1 real part for large values of n differs from Python result

QUESTION FROM: D D | 5 years ago BY: D D
Algebra , Astronomy , Computer Science , Data Science , Economics , ...
9
REPLIES
7.9K
VIEWS

Convert time vs accelerometer data to plot a random vibration PSD plot?

QUESTION FROM: Delan Chen | 7 years ago BY: Delan Chen
Data Science , Engineering , Graphics and Visualization , ...
9
REPLIES
13.9K
VIEWS

Solve an equation with angle of 2 transfer functions to get the capacitor?

QUESTION FROM: Leo Baumann | 8 years ago BY: Leo Baumann
Algebra , Engineering , Equation Solving , Mathematics , ...
9
REPLIES
9.7K
VIEWS

Generate a point to the left side of the direction between two points?

QUESTION FROM: Zavalichi Razvan | 8 years ago BY: dan Erickson
Algebra , Computer Science , Engineering , Geometry , Mathematics , ...
9
REPLIES
10.1K
VIEWS

[?] Solve and Plot a 2D heat conduction problem (laser heating)?

QUESTION FROM: Xing Zhang | 9 years ago BY: Xing Zhang
Engineering , Equation Solving , Graphics and Visualization , ...
9
REPLIES
10.8K
VIEWS

Propagate a parameter of a block to a higher level block in WSM?

QUESTION FROM: Romain Pinquié | 10 years ago BY: Otto Tronarp
Engineering , Modeling , SystemModeler
9
REPLIES
9.7K
VIEWS

Determine intensity for each pixel in an image by digitizing/binning it?

QUESTION FROM: Maurice Stancil | 10 years ago BY: EDITORIAL BOARD
Engineering , Image Processing , Optics , Physics , Wolfram Language
9
REPLIES
17.6K
VIEWS

How to use WSMCreateModel for nonlinear systems?

QUESTION FROM: J Jesus Rico-Melgoza | 10 years ago BY: Malte Lenz
Engineering , SystemModeler
9
REPLIES
10.5K
VIEWS

Future breakthroughs

CONTRIBUTED BY: Todd Rowland | 11 years ago BY: Frank Kampas
Computer Science , Engineering , Physics , Wolfram Science
9
REPLIES
12K
VIEWS

Where I can find the code for Volterra Integral Equation of the Second Kind

QUESTION FROM: jabir Hakami | 11 years ago BY: jabir Hakami
Engineering , Mathematics , Physics , Wolfram Language
9
REPLIES
14.8K
VIEWS

Manipulate not working with Findroot in cdf

QUESTION FROM: Kaushik Mallick | 11 years ago BY: Kaushik Mallick
Computable Document Format , Engineering , Equation Solving , ...
9
REPLIES
11.2K
VIEWS

Solving Laplace Equation using Finite Elements

QUESTION FROM: Rene Samson | 11 years ago BY: Rene Samson
Calculus , Engineering , Numerical Computation , Wolfram Language
9
REPLIES
21K
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

NIntegrate inside a manipulate worked then suddenly stopped working

QUESTION FROM: john stevens | 12 years ago BY: Bill Simpson
Engineering , Environmental Science
9
REPLIES
10.5K
VIEWS

Fixed and Variable Delay

QUESTION FROM: J Jesus Rico-Melgoza | 12 years ago BY: J Jesus Rico-Melgoza
Engineering , SystemModeler
9
REPLIES
12.8K
VIEWS

How to unwrap the Phase plot of BodePlot?

QUESTION FROM: Cornel B. | 3 years ago BY: Cornel B.
Engineering , Graphics and Visualization , Signal Processing , ...
8
REPLIES
7.3K
VIEWS

Why "Log10" (ScalingFunctions) is not working?

QUESTION FROM: Cornel B. | 3 years ago BY: Cornel B.
Control Systems , Engineering , Graphics and Visualization , ...
8
REPLIES
4.4K
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

Get iterative solution of simultaneous differential equations?

QUESTION FROM: Sergio Cabral | 9 years ago BY: Sergio Cabral
Engineering , Equation Solving , Graphics and Visualization , ...
8
REPLIES
8.5K
VIEWS

[?] Write a constraint on list elements when using Maximize ?

QUESTION FROM: Narjes Kandil | 9 years ago BY: Neil Singer
Engineering , Optimization , Mathematics , Wolfram Language
8
REPLIES
7K
VIEWS

How to call an external function from within a numerical integration

QUESTION FROM: Rene Samson | 11 years ago BY: Rene Samson
Engineering , Mathematics , Physics
8
REPLIES
9.9K
VIEWS

Rotate and Scale many times an equilateral triangle

QUESTION FROM: Luis Ledesma | 11 years ago BY: Luis Ledesma
Computer Science , Education , Engineering , Game Development , ...
8
REPLIES
15.2K
VIEWS

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

QUESTION FROM: Jake Trexel | 12 years ago BY: Jake Trexel
Engineering , Equation Solving , Graphics and Visualization , ...
8
REPLIES
10K
VIEWS

Integrate will not evaluate three-dimensional gaussian

QUESTION FROM: C. E. Coppola | 12 years ago BY: W. Craig Carter
Astronomy , Chemical Engineering , Computer Science , Data Science , ...
8
REPLIES
18.3K
VIEWS

System Modeler User Conference 2026

CONTRIBUTED BY: Keren Garcia | 2 months ago BY: Michael Ulrey
Engineering , Events & Media , Modeling , ...
7
REPLIES
482
VIEWS

What are the best methods for analyzing structural loads using Wolfram?

QUESTION FROM: Leo Cruz | 0 months ago BY: Malcolm Woodruff
Engineering , SystemModeler , Wolfram Language
7
REPLIES
3.1K
VIEWS

[?] Plot two lists together in same ListPlot?

QUESTION FROM: Jaime de la Mota | 7 years ago BY: Vlad Burim
Computer Science , Engineering , Graphics and Visualization , ...
7
REPLIES
13.7K
VIEWS

Solve a second order ODE modeling a mass-spring system?

QUESTION FROM: Areeb Qureshi | 8 years ago BY: Alexander Trounev
Control Systems , Engineering , Equation Solving , Mathematics , ...
7
REPLIES
10.1K
VIEWS

Solve differential equation to describe the motion of simple pendulum

QUESTION FROM: Julian Lovlie | 9 years ago BY: Javier Gonzalez-Rocha
Engineering , Mathematica , Physics
7
REPLIES
23.9K
VIEWS

WL / SystemModeller: PID, Fuzzy, NN predictive & MPC, etc. controllers?

QUESTION FROM: Pradeep Adusumilli | 10 years ago BY: Patrik Ekenberg
Control Systems , Engineering , SystemModeler , Wolfram Language
7
REPLIES
13.6K
VIEWS

Full-body car model

QUESTION FROM: Amy Davis | 11 years ago BY: Sean Clarke
Control Systems , Engineering , Wolfram Language
7
REPLIES
12.7K
VIEWS

Graphics Tools for Circuits

CONTRIBUTED BY: Terrence Honan | 11 years ago BY: Kay Herbert
Engineering , Graphics and Visualization , Mathematica , ...
7
REPLIES
27.2K
VIEWS

Trouble getting Arduino and Device* functions to work

QUESTION FROM: Calle E | 11 years ago BY: Calle E
Connected Devices , Engineering , External Programs and Systems , ...
7
REPLIES
13.4K
VIEWS

Why is the units package so slow?

QUESTION FROM: anand | 11 years ago BY: Elton TeKolste
Engineering , Mathematica , Units
7
REPLIES
11.6K
VIEWS

Insert or Joint a element in a table

QUESTION FROM: margherita ferrucci | 11 years ago BY: David Gathercole
Civil Engineering , Education , Engineering , Finance , ...
7
REPLIES
17.7K
VIEWS

Turning functions into programs and distributing them

QUESTION FROM: Malcolm Woodruff | 11 years ago BY: David J M Park Jr
Engineering , Mathematica , Packages , Wolfram Language
7
REPLIES
12.3K
VIEWS

How to define a plane region with polygonal boundaries for 2D integration?

QUESTION FROM: Christian Neel | 12 years ago BY: Christian Neel
Calculus , Engineering , Geometry , Wolfram Language
7
REPLIES
8.8K
VIEWS

Electrical vehicle insights: battery management system — measurement uncertainties

CONTRIBUTED BY: Vedat Senol | 2 years ago BY: Vedat Senol
Staff Picks , Engineering , Graphics and Visualization , ...
6
REPLIES
17.6K
VIEWS

PID (Proportional–integral–derivative) controller of a heater in a house

CONTRIBUTED BY: Sangdon Lee | 4 years ago BY: Sangdon Lee
Staff Picks , Control Systems , Engineering , Equation Solving , ...
6
REPLIES
8.1K
VIEWS

Colebrook equation

QUESTION FROM: LUIS ARBOLEDA | 6 years ago BY: LUIS ARBOLEDA
Engineering , Equation Solving , Mathematics , Wolfram Language
6
REPLIES
6.8K
VIEWS

Define a recursive sequence

QUESTION FROM: Thomas Robinson | 6 years ago BY: Updating Name
Engineering , Wolfram Language
6
REPLIES
6.2K
VIEWS

Hard Crash in Windows 10 when calculating eigenvalues of matrix

QUESTION FROM: Sam M | 7 years ago BY: Sam M
Engineering , Mathematica , Mathematics , Numerical Computation
6
REPLIES
14.9K
VIEWS

How to save matrices from each iteration of i.?

QUESTION FROM: Anshuman Singh | 7 years ago BY: Gianluca Gorni
Computational Linguistics , Computer Science , Education , ...
6
REPLIES
8.3K
VIEWS

Problem with a simple 2D RC network

QUESTION FROM: Andras Gilicz | 7 years ago BY: Andras Gilicz
Engineering , Modeling , Physics , SystemModeler
6
REPLIES
10.2K
VIEWS

Connect Mathematica to a Bluetooth 4.0 device?

QUESTION FROM: Tsai Ming-Chou | 7 years ago BY: Flip Phillips
Connected Devices , Engineering , External Programs and Systems , ...
6
REPLIES
15.9K
VIEWS

NDSolve for a heat differential equation with periodic boundary conditions?

QUESTION FROM: Markus Schmidt | 7 years ago BY: Henrik Schachner
Calculus , Engineering , Equation Solving , Mathematics , ...
6
REPLIES
13.8K
VIEWS

Avoid issues with "ToMatlab" Package?

QUESTION FROM: Christopher Reyes | 9 years ago BY: Christopher Reyes
Engineering , External Programs and Systems , Mathematica , ...
6
REPLIES
9.6K
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

Exploration of polyhedron resistor networks

CONTRIBUTED BY: Sander Huisman | 9 years ago BY: Brad Klee
Staff Picks , Education , Electrical Engineering , Engineering , ...
6
REPLIES
23.7K
VIEWS

interface to external program / command line and optimisation [beginner]

QUESTION FROM: geotrupes a | 11 years ago BY: geotrupes a
Engineering , External Programs and Systems , Mathematica , ...
6
REPLIES
11.6K
VIEWS

Efficient method to cyclically swap items in a list

QUESTION FROM: Paul Cleary | 11 years ago BY: Wiel Aerts
Data Science , Engineering , Mathematica , Optimization , ...
6
REPLIES
10.9K
VIEWS

Different bode plots for the same input in mathematica, wolfram alpha

QUESTION FROM: riccardo loddo | 11 years ago BY: Jos Klaps
Control Systems , Engineering , Mathematica , Mathematics , ...
6
REPLIES
19.4K
VIEWS

Free Memory

QUESTION FROM: Xiaoxu Zhong | 11 years ago BY: Xiaoxu Zhong
Engineering , Mathematics
6
REPLIES
6.6K
VIEWS

Does LinearModelFit show the correct equation?

QUESTION FROM: Juan David | 11 years ago BY: Jim Baldwin
Chemical Engineering , Chemistry , Engineering , ...
6
REPLIES
13.2K
VIEWS

Having problems with integration

QUESTION FROM: Raymond Low | 12 years ago BY: Daniel Lichtblau
Engineering , Mathematics
6
REPLIES
10K
VIEWS

Magnetic field of torus in Mathematica

QUESTION FROM: Aleff Vinicius | 12 years ago BY: Aleff Vinicius
Engineering , Physics , Wolfram Language
6
REPLIES
7.4K
VIEWS

Parts quantities on BOM explosion

QUESTION FROM: Edson Ferreira | 12 years ago BY: Bill Simpson
Engineering , Mathematica
6
REPLIES
23.4K
VIEWS

How to plot the graph?

QUESTION FROM: Sabarinathan Vadivelu | 12 years ago BY: Paul T
Engineering
6
REPLIES
17.1K
VIEWS

Debugging issue in a function

QUESTION FROM: Rajib Alam | 13 years ago BY: Youngjoo Chung
Computer Science , Dynamic Interactivity , Engineering , ...
6
REPLIES
8.6K
VIEWS

[BOOK] An introduction to Mathematica for civil and structural engineers

CONTRIBUTED BY: Malcolm Woodruff | 2 months ago BY: Malcolm Woodruff
Staff Picks , Earth Science , Education , Engineering , ...
5
REPLIES
21.9K
VIEWS

How to handle big expressions in Mathematica

CONTRIBUTED BY: Levente Fekésházy | 7 months ago BY: Michal Kvasnicka
Algebra , Calculus , Computer Science , Engineering , Mathematica , ...
5
REPLIES
4.8K
VIEWS

[WSRP25] Intersections of Form & Function: The Aesthetic Dimension of Topological Optimization

CONTRIBUTED BY: Yuvraj Chaudhary | 9 months ago BY: EDITORIAL BOARD
Staff Picks , Engineering , Geometry , Graphics and Visualization , ...
5
REPLIES
4K
VIEWS

Introducing non-Newtonian fluid mechanics computations in the undergraduate curriculum

CONTRIBUTED BY: Housam Binous | 2 years ago BY: Housam Binous
Staff Picks , Chemistry , Education , Engineering , ...
5
REPLIES
9.5K
VIEWS

Force the phase. ThermodynamicData for saturated liquid *and* vapor.

QUESTION FROM: Glenn Carlson | 2 years ago BY: Glenn Carlson
Curated Data , Engineering , Physics , Wolfram Language
5
REPLIES
11.1K
VIEWS

Calculation of the Nusselt number and the thermal inelet region: NIntegrate failed to converge

QUESTION FROM: Andrea Naticchi | 2 years ago BY: Andrea Naticchi
Computational Linguistics , Computational Systems , Engineering , ...
5
REPLIES
3.5K
VIEWS

A Rolling Square Bridge: Reimagining the Wheel

CONTRIBUTED BY: Stan Wagon | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Dynamic Interactivity , Engineering , ...
5
REPLIES
23.5K
VIEWS

Model doesn't run in SM 13.2 but runs in SM 12.3

QUESTION FROM: Michel Oliveira | 3 years ago BY: Henrik Tidefelt
Engineering , SystemModeler
5
REPLIES
5.7K
VIEWS

Exploring civil structure modeling with System Modeler

CONTRIBUTED BY: Vedat Senol | 3 years ago BY: Vedat Senol
Staff Picks , Algebra , Engineering , Graphics and Visualization , ...
5
REPLIES
7.8K
VIEWS

Obtain the initial value of inductance or capacitance set in Systemmodeler

QUESTION FROM: James James | 3 years ago BY: James James
Engineering , Mathematica , Modeling , SystemModeler
5
REPLIES
4.1K
VIEWS

Torn Equations and solving Nonlinear problems within SystemModeler

QUESTION FROM: Mor Bo | 5 years ago BY: Mor Bo
Control Systems , Engineering , Mechanical Engineering , SystemModeler
5
REPLIES
11.8K
VIEWS

Making normal derivative times corresponding multipliers continuous?

QUESTION FROM: Marissa Whitby | 5 years ago BY: Rohit Namjoshi
Calculus , Electrical Engineering , Engineering , Equation Solving , ...
5
REPLIES
6.7K
VIEWS

Designing and building the world's largest (amateur) electromagnet

CONTRIBUTED BY: Robert Mendelsohn | 5 years ago BY: Oliver Ruessing
Staff Picks , Electrical Engineering , Engineering , ...
5
REPLIES
17.5K
VIEWS

Use SPI protocol with Arduino & ADC?

QUESTION FROM: Bohdan Romanchuk | 6 years ago BY: Jane Mole
Connected Devices , Engineering , External Programs and Systems , ...
5
REPLIES
23.1K
VIEWS
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