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Symbolic and numerical equation solving and root finding, differential equations, recurrence and functional equations, systems of equations, linear systems, visualization of solutions...

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Define the domain of symbolic variables for a matrix when solving a system of linear equations?

QUESTION FROM: Russell Michael | 1 year ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
7
REPLIES
2.6K
VIEWS

Solve a system of linear equations?

QUESTION FROM: Pontus Vikstål | 1 year ago BY: Gianluca Gorni
Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
8.4K
VIEWS

How to improve solution accuracy between grid points while solving ODEs with NDSolve fixed grids

QUESTION FROM: Leslaw Bieniasz | 1 year ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2K
VIEWS

Simplifying/reducing system of equations

QUESTION FROM: Frédéric Bourgeon | 1 year ago BY: Bill Nelson
Equation Solving , Mathematics , Wolfram|Alpha
2
REPLIES
2.3K
VIEWS

Can't get the particular solution from the general and the complementary

QUESTION FROM: P. Marrone | 1 year ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.1K
VIEWS

No output when optimising an integration function

QUESTION FROM: Anne Shirley | 1 year ago BY: Ankit Kantheti
Calculus , Economics , Equation Solving , Mathematics , ...
2
REPLIES
2.8K
VIEWS

Getting Wrong Numbers in Output for a Quantum Mechanics problem

QUESTION FROM: خالد رافع | 1 year ago BY: Gianluca Gorni
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
6
REPLIES
1.8K
VIEWS

Unsteady-State Diffusion and Reaction in a Semi-infinite Medium

CONTRIBUTED BY: Housam Binous | 1 year ago
Chemistry , Equation Solving , Modeling , Numerical Computation , ...
0
REPLIES
1.2K
VIEWS

Solver throws errors for non-Newtonian fluids in case of an extension to the documentation example

QUESTION FROM: user 12 | 1 year ago
Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
1.4K
VIEWS

Directly Integrable Equations

CONTRIBUTED BY: Athanasios Paraskevopoulos | 1 year ago
Calculus , Education , Equation Solving , ...
0
REPLIES
1.7K
VIEWS

DSolve[ ] returns Input again?

QUESTION FROM: jose hoyos | 1 year ago BY: Gianluca Gorni
Calculus , Equation Solving , Optimization , Wolfram Language
3
REPLIES
7.2K
VIEWS

Mark the corresponding time point when switching the switch

QUESTION FROM: James James | 1 year ago
Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
1.9K
VIEWS

Why doesn't "Reduce" function combine some results succinctly？

QUESTION FROM: Zhenyu Zeng | 1 year ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.9K
VIEWS

Solve takes too long with parametric system

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Hongyi Zhao
Algebra , Equation Solving , High-Performance Computing , ...
2
REPLIES
2.9K
VIEWS

A Perfect Equilibrium inside a Black Hole

CONTRIBUTED BY: Wim Vegt | 2 years ago
Astronomy , Calculus , Equation Solving , Mathematics , ...
0
REPLIES
2.4K
VIEWS

Solving a system of PDEs (asymptotic expansion)

QUESTION FROM: Iskinder Arsano | 2 years ago
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.2K
VIEWS

FindMinimum error related to NDSolve

QUESTION FROM: Carles Lopez | 2 years ago BY: Gianluca Gorni
Calculus , Data Science , Equation Solving , Mathematics , ...
1
REPLIES
2K
VIEWS

NDSolve error:Equation or list of equations expected

QUESTION FROM: Anderson Coelho | 2 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
2.1K
VIEWS

Seeking techniques for detailed step-by-step solution of integral equation transformation

QUESTION FROM: Rob Leny | 2 years ago BY: Rohit Namjoshi
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2.2K
VIEWS

Error solving system of equations: not a quantified system of equations and inequalities

QUESTION FROM: Saroj Dattatreya | 2 years ago BY: Saroj Dattatreya
Algebra , Calculus , Equation Solving , Mathematics , ...
2
REPLIES
2.2K
VIEWS

Solving a system of linear equations with a parameter.

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Hongyi Zhao
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
3.7K
VIEWS

Accessing conditions from DSolve

QUESTION FROM: Paul Warburton | 2 years ago BY: Gianluca Gorni
Algebra , Calculus , Dynamic Interactivity , Equation Solving , ...
1
REPLIES
1.9K
VIEWS

Doubt about how to solve the system

QUESTION FROM: Anderson Coelho | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
1.8K
VIEWS

How to eliminate apparent memory leaks?

QUESTION FROM: Leslaw Bieniasz | 2 years ago
Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
1.4K
VIEWS

Difference between Sign function and normalizing a vector?

QUESTION FROM: Ciel Ou | 2 years ago BY: Eric Rimbey
Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2K
VIEWS

Propagation of Initial Conditions in Linear First-Order Hyperbolic PDEs

CONTRIBUTED BY: Athanasios Paraskevopoulos | 2 years ago
Calculus , Computer-Based Maths , Education , Equation Solving , ...
0
REPLIES
1.2K
VIEWS

How can I obtain a solution for this system of equations?

QUESTION FROM: Raquel Salvador | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.6K
VIEWS

Solving Ax=b in Wolfram Alpha with Gaussian Elimination reduces rows

QUESTION FROM: Arian Yousefian | 2 years ago
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
0
REPLIES
1.5K
VIEWS

Finding extreme points: cannot solve the equation

QUESTION FROM: James James | 2 years ago BY: Gianluca Gorni
Algebra , Calculus , Equation Solving , Mathematics , ...
7
REPLIES
3.9K
VIEWS

Does NDSolve step size for coupled ODEs get bottlenecked by stiffest one?

QUESTION FROM: Iuval Clejan | 2 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2K
VIEWS

The Semenov Model

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Education , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

Production of SynGas using Coal-Steam reactions

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Education , Engineering , Equation Solving , ...
0
REPLIES
1.3K
VIEWS

Solving the Maxwell-Stefan equations using two different methods

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.3K
VIEWS

Improve analysis interface for sensitivity analysis visualization

QUESTION FROM: Otto Linsuain | 2 years ago
Dynamic Interactivity , Engineering , Equation Solving , ...
0
REPLIES
1.9K
VIEWS

Solve a multi-variable equation for one variable

QUESTION FROM: Zegna Picano | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
2.2K
VIEWS

Is there a way to solve the eigenvalues of a linear operator without giving its matrix form?

QUESTION FROM: Frank Xu | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
2.4K
VIEWS

Doubt about how to mathematically formulate my problem

QUESTION FROM: Anderson Coelho | 2 years ago BY: Bill Nelson
Equation Solving , Numerical Computation , Physics , Wolfram Language
1
REPLIES
2.2K
VIEWS

Finding the Extreme Point of a Function

QUESTION FROM: James James | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.6K
VIEWS

Avoid time-consuming warnings in FindRoot with thermodynamic properties

QUESTION FROM: Otto Linsuain | 2 years ago BY: Mariusz Iwaniuk
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
4.3K
VIEWS

A specific usage of "Solve" function

QUESTION FROM: Lingfei Li | 2 years ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.9K
VIEWS

Simple poles I expect to see are not showing in Wolfram Alpha

QUESTION FROM: Gray Manicom | 2 years ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.6K
VIEWS

Trying to Understand the Limitations of `Solve`

QUESTION FROM: James Bowery | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Tuning and Debugging , ...
1
REPLIES
3.1K
VIEWS

Desargues' Theorem notebook debugging

QUESTION FROM: Caterina Consani | 2 years ago BY: Caterina Consani
Equation Solving , Geometry , Graphics and Visualization , ...
3
REPLIES
2.4K
VIEWS

Fixing a code which covers $[-k,k]\times[-k,k]$ for a given $k\in\mathbb{N}$, with small rectangles

QUESTION FROM: Bharath Krishnan | 2 years ago
Equation Solving , Geometry , Graphics and Visualization , ...
0
REPLIES
1.6K
VIEWS

Exploring Advanced Mathematical Analysis with Applications in Theoretical Physics

CONTRIBUTED BY: rui M | 2 years ago
Algebra , Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
1.1K
VIEWS

Question about Incidence function for SIR model

QUESTION FROM: Athanasios Paraskevopoulos | 2 years ago
Biological Sciences , Calculus , Equation Solving , ...
0
REPLIES
1.3K
VIEWS

Problem about how to find a length related to the Nusselt number

QUESTION FROM: Fredom W. | 2 years ago BY: Otto Linsuain
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
3.5K
VIEWS

Solving typical mathematics textbook problems

CONTRIBUTED BY: Roger Wells | 2 years ago BY: Roger Wells
Algebra , Education , Equation Solving , Graphics and Visualization , ...
1
REPLIES
2.9K
VIEWS

Walls of Fire in Black Holes. Time and Radial dependent GEONs with Discrete Spherical Energy Levels

CONTRIBUTED BY: Wim Vegt | 2 years ago
Astronomy , Calculus , Equation Solving , Mathematics , ...
0
REPLIES
2.6K
VIEWS

Solving the system of n symmetric equations

QUESTION FROM: Piykam Kestrel | 2 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2.3K
VIEWS

Find the n-th root of Unity based decomposition of a expression from scratch.

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Hongyi Zhao
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
10
REPLIES
2.7K
VIEWS

What is the correct domain specification?

QUESTION FROM: Greg Gruzalski | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2K
VIEWS

Poiseuille Flow in a Rectangular Channel

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.4K
VIEWS

Quasilinear Solution Sequence for Nonlinear Tubular Reactor with Dispersion

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.2K
VIEWS

Gravitational Redshift Test Using Eccentric Galileo Satellites

CONTRIBUTED BY: Wim Vegt | 2 years ago
Astronomy , Calculus , Education , Equation Solving , Mathematics , ...
0
REPLIES
2.7K
VIEWS

Dynamics of two tanks in series

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.2K
VIEWS

Response to a tracer input of three continuous stirred-tank reactors in series

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

Using components of an Output as arguments of further calculation

QUESTION FROM: Ghulam Farid | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.8K
VIEWS

Estimation of Kinetic Parameters for Reductive Dechlorination of Chlorinated Solvents

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1K
VIEWS

How to solve FindRoot error in NDSolve?

QUESTION FROM: Sara Moezzi | 2 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
1.8K
VIEWS

Computing the velocity distribution created by a jet emerging from a narrow slit in a planar wall

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

Expressions of Isothermal Effectiveness Factor using Symbolic Computations

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
999
VIEWS

Adiabatic Reactors: Multiple Steady States

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1K
VIEWS

Problem with list not being same shape and Integrate function

QUESTION FROM: Anand Mathew | 2 years ago BY: Anand Mathew
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
2.6K
VIEWS

Breakthrough curves for adsorption with longitudinal diffusion

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1K
VIEWS

Breakthrough curves for adsorption

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

Solution of Unsteady Heat Conduction in an Insulated Rod using the Orthogonal Collocation Method

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
987
VIEWS

Systematic Determination of Azeotropes Using Relative Volatility Functions

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Education , Engineering , Equation Solving , ...
0
REPLIES
1.3K
VIEWS

Recursive function, and input format, how to, fix it

QUESTION FROM: Toni Teschke | 2 years ago
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
0
REPLIES
1.7K
VIEWS

Time-Dependent Radial Heat Conduction Problem

CONTRIBUTED BY: Athanasios Paraskevopoulos | 2 years ago
Calculus , Dynamic Interactivity , Education , Equation Solving , ...
0
REPLIES
1.3K
VIEWS

Vapor-Liquid Equilibrium Diagram of Heptane-Hexane at 760 mmHg Using SRK EOS

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.6K
VIEWS

An improved shooting method applied to the Blasius problem

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Equation Solving , ...
0
REPLIES
1.2K
VIEWS

Residue Curve Map for Ternary Systems : Case of Acetone - Chloroform - Methanol System

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1K
VIEWS

Vapor-liquid equilibrium diagram of Heptane-Hexane at 760 mmHg using PR EOS

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

The Method of Characteristics Problem with Mixed Boundary Conditions

CONTRIBUTED BY: Athanasios Paraskevopoulos | 2 years ago
Calculus , Computer-Based Maths , Education , Equation Solving , ...
0
REPLIES
1.2K
VIEWS

Azeotropes Computation using UNIQUAC Model

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , Mathematics , Modeling , ...
0
REPLIES
1.3K
VIEWS

Concentration profile for a tubular reactor with axial dispersion

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Equation Solving , Graphics and Visualization , ...
0
REPLIES
1K
VIEWS

Product Distribution Curves for Laminar, Plug, and Mixed Flows

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

Solving a specific initial value problem

QUESTION FROM: Felix Toperczer | 2 years ago BY: Roland Franzius
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
5.5K
VIEWS

Finding Optimal Value of State and Lagrangian Multiplier

CONTRIBUTED BY: Housam Binous | 2 years ago
Equation Solving , Optimization , Mathematics , ...
0
REPLIES
952
VIEWS

Langmuir Hinshelwood Mechanism Elucidated using Symbolic Computation

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , Mathematics , ...
0
REPLIES
1K
VIEWS

Design of a two adiabatic packed bed system

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

How do I find the results of varphi?

QUESTION FROM: Nina Liu | 2 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.1K
VIEWS

Laminar Flow of non-Newtonian fluids in a Horizontal Pipe

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.3K
VIEWS

Volumetric Flow Rate for Pipe Flow of non-Newtonian Fluids

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

Vertical Laminar Flow of Bingham Liquid Film

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.5K
VIEWS

How do interpolated functions interact with symbolic derivatives?

QUESTION FROM: Kaden Tro | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Modeling , ...
4
REPLIES
3.2K
VIEWS

Error solving convection-diffusion equation with continuity equation

QUESTION FROM: Osmart Ochoa | 2 years ago BY: Roland Franzius
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
3.6K
VIEWS

Solution of a System of Nonlinear Equations using the Fixed Point Method

CONTRIBUTED BY: Housam Binous | 2 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2K
VIEWS

Wei-Prater Mechanism: three-species reaction mixture paths

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1K
VIEWS

Batch Distillation of an Acetone-Methanol Mixture

CONTRIBUTED BY: Housam Binous | 2 years ago
Calculus , Chemistry , Engineering , Equation Solving , ...
0
REPLIES
979
VIEWS

Unwanted behavior cubic equations with assumptions

QUESTION FROM: Alex Bailey | 2 years ago BY: Alex Bailey
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.7K
VIEWS

Multiply defined initial data in retarded ODE

QUESTION FROM: Martina Zizza | 2 years ago
Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
1.5K
VIEWS

Distance Between a Point and a Line Segment

CONTRIBUTED BY: Frank Kampas | 2 years ago
Calculus , Equation Solving , Geometry , Mathematics , ...
0
REPLIES
1.9K
VIEWS

Finding volume using equilateral triangles?

QUESTION FROM: Scott B | 2 years ago BY: Scott B
Calculus , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
4.6K
VIEWS

Ordinary Vapor Compression Cycle

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

How do I create a diagram like the one below using DensityPlot?

QUESTION FROM: Ira Sotnyk | 2 years ago BY: Jim Baldwin
Calculus , Equation Solving , Graphics and Visualization , ...
1
REPLIES
3.1K
VIEWS

Extractive Distillation of Equimolar Acetone-Methanol Mixture Using Water

CONTRIBUTED BY: Housam Binous | 2 years ago
Chemistry , Engineering , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

Karush - Kuhn - Tucker (KKT) Conditions

CONTRIBUTED BY: Housam Binous | 2 years ago
Equation Solving , Optimization , Mathematics , ...
0
REPLIES
2.2K
VIEWS

[Solved] Combine dynamic scaling and rotation transforms

QUESTION FROM: Jan Potocki | 2 years ago BY: Jan Potocki
Dynamic Interactivity , Equation Solving , Geometry , ...
3
REPLIES
4.3K
VIEWS
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