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Everything from arithmetic, algebra, calculus, and geometry to analysis, logic, set theory, and uncertainty.

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How to get a simple system of recursion equations to give output?

QUESTION FROM: Iuval Clejan | 2 years ago BY: Iuval Clejan
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
2.7K
VIEWS

[WSRP23] Optimizing racing lines

CONTRIBUTED BY: Isaiah Yang | 2 years ago BY: Jayden Foo
Staff Picks , Dynamic Interactivity , Geometry , ...
6
REPLIES
14.4K
VIEWS

Solving system of equations gives empty output, but gives result when reduced

QUESTION FROM: Panron Ryan | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
14.7K
VIEWS

MatrixSymbol simplifications

QUESTION FROM: Eric Michielssen | 2 years ago BY: Jose Martin-Garcia
Algebra , Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
3.4K
VIEWS

Help solving a cubic equation with a parameter

QUESTION FROM: Jackie cao | 2 years ago BY: Updating Name
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
2.6K
VIEWS

SGD optimizers with online gradient regression Hessian estimation

CONTRIBUTED BY: Jarek Duda | 2 years ago BY: Jarek Duda
Staff Picks , Computer Science , Data Science , ...
6
REPLIES
10.6K
VIEWS

Numerical solution to Euler Lagrange equation

QUESTION FROM: Ee Kin Chan | 2 years ago BY: Ee Kin Chan
Equation Solving , Mathematics , Numerical Computation , Physics , ...
6
REPLIES
2.2K
VIEWS

[WSC19] Differential Equation and Chaos Theory

CONTRIBUTED BY: Tianyi Wang | 2 years ago BY: Sajjad Ahmad
Calculus , Computer-Based Maths , Data Science , Equation Solving , ...
6
REPLIES
21.8K
VIEWS

Does anybody have problems with the output of NonlinearModelFit with 14.1?

QUESTION FROM: Stefano Vitale | 2 years ago BY: Stefano Vitale
Calculus , Data Science , Mathematics , Modeling , Wolfram Language
6
REPLIES
2.6K
VIEWS

Error from NDSolve: PDE coefficient doesn't evaluate to numerical value

QUESTION FROM: Nithiya V | 2 years ago BY: Nithiya V
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
2.5K
VIEWS

Electric vehicle insights: battery management system - thermal dynamics

CONTRIBUTED BY: Vedat Senol | 2 years ago BY: Vedat Senol
Staff Picks , Geometry , Graphics and Visualization , Mathematica , ...
6
REPLIES
13.6K
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
17.7K
VIEWS

Solving equation on boundaries

QUESTION FROM: Mnele Wolfram | 2 years ago BY: Mnele Wolfram
Equation Solving , Material Sciences , Mathematics , Physics , ...
6
REPLIES
2.4K
VIEWS

Using symbolic calculation result to evaluate real expression

QUESTION FROM: Thomas Fowler | 2 years ago BY: Thomas Fowler
Calculus , Mathematics , Physics , Symbolic Computations , ...
6
REPLIES
2.5K
VIEWS

\ddot in LaTeX inline objects

QUESTION FROM: Howard Georgi | 2 years ago BY: David Reiss
Mathematics , Physics , Presentation and Notebooks , Wolfram Language
6
REPLIES
3.3K
VIEWS

Limit of algebraic polynomial roots: playing around with randomness and algebraic numbers

CONTRIBUTED BY: David Moore | 2 years ago BY: Vitaliy Kaurov
Staff Picks , Algebra , Graphics and Visualization , Mathematics , ...
6
REPLIES
19.1K
VIEWS

Nonlinear fitting of reaction kinetics data with Kronecker delta and bootstrapping

CONTRIBUTED BY: Philippe Buhlmann | 2 years ago BY: Mariusz Iwaniuk
Staff Picks , Chemistry , Data Science , Graphics and Visualization , ...
6
REPLIES
3.9K
VIEWS

FilledCurve and lopsided mandalas

QUESTION FROM: Mark Greenberg | 2 years ago BY: Mark Greenberg
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
3.5K
VIEWS

Solving nonlinear equation with integrals and beta functions

QUESTION FROM: Muhammad Fahem Bin Musa | 2 years ago BY: Bill Nelson
Algebra , Calculus , Equation Solving , Mathematics , ...
6
REPLIES
2.4K
VIEWS

Accessing matrix elements and evaluating terms multiplied by zero

QUESTION FROM: Arun KG | 2 years ago BY: Arun KG
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.6K
VIEWS

On random Truchet tilings in two and three dimensions

CONTRIBUTED BY: J. M. | 2 years ago BY: John Shonder
Staff Picks , Computational Humanities , Geometry , ...
6
REPLIES
11.8K
VIEWS

Fade in, fade out: isometric projection of squares

CONTRIBUTED BY: Clayton Shonkwiler | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Computational Humanities , Geometry , ...
6
REPLIES
11.4K
VIEWS

Plotting issue with multiple parameter

QUESTION FROM: Debojyoti Mondal | 2 years ago BY: Debojyoti Mondal
Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
2K
VIEWS

Surface Area problem with double integral confusion

QUESTION FROM: Jackson Singleton | 2 years ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
6
REPLIES
3K
VIEWS

Manipulate doesn't work on fresh kernel

QUESTION FROM: Andrea Naticchi | 2 years ago BY: EDITORIAL BOARD
Discrete Mathematics , Dynamic Interactivity , Equation Solving , ...
6
REPLIES
2.4K
VIEWS

Table of NSolve (and Solve) solutions creates extra unknown answers

QUESTION FROM: Ilan Riess | 2 years ago BY: Ilan Riess
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
2.6K
VIEWS

Ahmed Integral doesn't evaluate

QUESTION FROM: José Luis Garrido | 2 years ago BY: José Luis Garrido
Calculus , Mathematics , Wolfram Language
6
REPLIES
6K
VIEWS

Getting Wrong Numbers in Output for a Quantum Mechanics problem

QUESTION FROM: خالد رافع | 2 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
6
REPLIES
2.1K
VIEWS

Unable to Simplify non-commutative Expression Further

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Mauricio de Oliveira
Algebra , Mathematics , Wolfram Language
6
REPLIES
5K
VIEWS

Probability that two correlated Normal random variables have the same sign?

QUESTION FROM: Greg Sternberg | 2 years ago BY: Gianluca Gorni
Mathematics , Statistics and Probability , Wolfram Language
6
REPLIES
7.1K
VIEWS

Dynamic visualization of Penrose tilings

CONTRIBUTED BY: Dugan Hammock | 2 years ago BY: Johannes Martin
Staff Picks , Computational Humanities , Dynamic Interactivity , ...
6
REPLIES
6.9K
VIEWS

Plot with and without `Table` produce different results

QUESTION FROM: Ian P | 3 years ago BY: Updating Name
Algebra , Calculus , Equation Solving , Graphics and Visualization , ...
6
REPLIES
3.2K
VIEWS

PINN: Physics Informed Neural Networks for Laplace PDE on L-shaped domain

CONTRIBUTED BY: Gianluca Argentini | 3 years ago BY: Zhang Haoyu
Staff Picks , Calculus , Data Science , Equation Solving , Geometry , ...
6
REPLIES
12.9K
VIEWS

Infinite expression 1/0 encountered when evaluating a non-singular polynomial

QUESTION FROM: Mathias Gschwendtner | 3 years ago BY: Mathias Gschwendtner
Algebra , Mathematics , Wolfram Language
6
REPLIES
4.7K
VIEWS

3D graphics overlaying with show function

QUESTION FROM: Jianhua Yang | 3 years ago BY: Jianhua Yang
Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
3.2K
VIEWS

Integer inside [] is unexpectedly changed to a machine-precision real number

QUESTION FROM: Aki Hiro | 3 years ago BY: Aki Hiro
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
3.6K
VIEWS

Numerical integration with large initial limit

QUESTION FROM: Safinaz Salem | 3 years ago BY: Safinaz Salem
Calculus , Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
3.2K
VIEWS

What method is there to retrieve which quantity to replace and complete factorization?

QUESTION FROM: Lee Tao | 3 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
6
REPLIES
4K
VIEWS

How to improve the accuracy of FindRoot or NDSolveValue at extreme conditions in my equation system?

QUESTION FROM: Mikoto Misaka | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
6
REPLIES
5.8K
VIEWS

Speed up Nintegrate for certain range of function's input

QUESTION FROM: John Wick | 3 years ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
3.6K
VIEWS

Cut wood to minimize loss

QUESTION FROM: Nicholas Kormanik | 3 years ago BY: Nicholas Kormanik
Algebra , Optimization , Mathematics , Wolfram Language
6
REPLIES
4.8K
VIEWS

Solving a specific initial value problem

QUESTION FROM: Felix Toperczer | 3 years ago BY: Roland Franzius
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
6.3K
VIEWS

NDSolve error: Cannot solve to find an explicit formula for the derivatives

QUESTION FROM: Anand Mathew | 3 years ago BY: Michael Rogers
Equation Solving , Graphics and Visualization , Mathematics , ...
6
REPLIES
5.1K
VIEWS

Current CO2 emission will increase CO2 concentration cubically

CONTRIBUTED BY: Sangdon Lee | 3 years ago BY: Sangdon Lee
Staff Picks , Calculus , Environmental Science , Equation Solving , ...
6
REPLIES
7.7K
VIEWS

Integrals evaluating to zero

QUESTION FROM: Ingryd Passos | 3 years ago BY: Daniel Lichtblau
Calculus , Mathematics , Wolfram Language
6
REPLIES
4K
VIEWS

Different results from two equal functions?

QUESTION FROM: Leon Fairbanks | 3 years ago BY: Leon Fairbanks
Algebra , Mathematics , Wolfram Language
6
REPLIES
4K
VIEWS

Inverse[] Slows 1000x by selecting Method in larger systems

QUESTION FROM: Neal Maroney | 3 years ago BY: Neal Maroney
Algebra , Mathematics , Tuning and Debugging , Wolfram Language
6
REPLIES
4.4K
VIEWS

Brachistochrone problem: shortest time to slide on a curve

CONTRIBUTED BY: Yao . | 3 years ago BY: Yao .
Staff Picks , Calculus , Challenges , Dynamic Interactivity , ...
6
REPLIES
12.4K
VIEWS

Speeding up the computation of double integrals composed from double series

QUESTION FROM: Pooya Azizi | 3 years ago BY: Pooya Azizi
Calculus , Mathematics , Tuning and Debugging , Wolfram Language
6
REPLIES
4.5K
VIEWS

Length of torus loop?

QUESTION FROM: Sandor Kabai | 3 years ago BY: Henrik Schachner
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
3.8K
VIEWS
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