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Computation with xAct

QUESTION FROM: Debojyoti Mondal | 8 days ago
Algebra , Equation Solving , Mathematics , Packages , Wolfram Language
0
REPLIES
152
VIEWS

How do you register functional properties in Mathematica?

QUESTION FROM: Liam Nielson | 10 days ago
Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
92
VIEWS

Help looping an operation

QUESTION FROM: Nomsa Ledwaba | 12 days ago
Mathematics , Wolfram Language
0
REPLIES
97
VIEWS

Enter 2x3 matrices into Wolfram Problem Generator

QUESTION FROM: M K | 23 days ago
Algebra , Mathematics , Wolfram|Alpha
0
REPLIES
455
VIEWS

Computing integral errors: Mathematica vs Matlab Simulink

QUESTION FROM: Housam Binous | 26 days ago
Chemistry , Control Systems , Engineering , ...
0
REPLIES
397
VIEWS

WolframAlpha API returns CalculateUtilities wrapper within MathML output

QUESTION FROM: Jörn Loviscach | 1 month ago
Mathematics , Wolfram|Alpha
0
REPLIES
651
VIEWS

Keyboard shortcut for the pseudo inverse

QUESTION FROM: Paul Cally | 1 month ago
Algebra , Mathematics , User Interface , Wolfram Language
0
REPLIES
922
VIEWS

Wolfram Alpha queries give missing() on the step-by-step in V14.3

QUESTION FROM: Larry Dale Snelling | 2 months ago
Mathematics , Wolfram|Alpha , Wolfram|Alpha Integration
0
REPLIES
615
VIEWS

What's missing in connection between the prime number theorem and the MRB constant?

QUESTION FROM: Marvin Ray Burns A.G.S. (cum laude) | 2 months ago
Graphics and Visualization , Mathematics , Numerical Computation , ...
0
REPLIES
706
VIEWS

Implementing "Master Series" (msr) function in Wolfram Alpha

QUESTION FROM: Sergey Berezin | 3 months ago
Mathematics , Wolfram|Alpha
0
REPLIES
516
VIEWS

Does Wolfram have any plan to support elliptic curve?

QUESTION FROM: wayne wang | 3 months ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
412
VIEWS

Divergence of a tensor in curvilinear coordinates

QUESTION FROM: Sinval Santos | 3 months ago
Mathematics , Wolfram Language
0
REPLIES
335
VIEWS

Converting a Venn diagram into a logic statement

QUESTION FROM: Mitchell Sandlin | 3 months ago
Graphics and Visualization , Logic and Boolean Algebra , ...
0
REPLIES
595
VIEWS

The Dædælus efficiency model: a formal comparison of bandwidth- and transaction-multiplexing

QUESTION FROM: Dean Gladish | 3 months ago
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
0
REPLIES
883
VIEWS

Error trying to assign values for a tensor

QUESTION FROM: Eran Lavi | 3 months ago
Algebra , Mathematics , Physics , Wolfram Language
0
REPLIES
601
VIEWS

Simplify an expression to a known value ( continuation )

QUESTION FROM: José Luis Garrido | 4 months ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
469
VIEWS

Errors in solving a complex equation: FindRoot and NIntegrate cannot converge

QUESTION FROM: S. Gallagher | 5 months ago
Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
1K
VIEWS

Is it possible for Canvas to smooth an already drawn path?

QUESTION FROM: Diego Ramos | 5 months ago
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
679
VIEWS

Computation of the prime pi function in Mathematica using the zeros ZetaZero[i] (Riemann function)

QUESTION FROM: Thomas Waring | 5 months ago
Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
695
VIEWS

Input issues perhaps with - ContourIntegrate

QUESTION FROM: Venkat Sastry | 6 months ago
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
0
REPLIES
1.2K
VIEWS

Help with optimum initial conditions for electron interaction

QUESTION FROM: Arif Khan | 6 months ago
Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
744
VIEWS

Avoid singularity in TOV equations

QUESTION FROM: Sebastián Moreno Chalacá | 7 months ago
Algebra , Equation Solving , Graphics and Visualization , ...
0
REPLIES
915
VIEWS

Discrepancy between LineIntegrate and SurfaceIntegrate results in Stokes’ theorem verification

QUESTION FROM: Antonio Physics_gang | 7 months ago
Calculus , Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
763
VIEWS

Optimization of eigenvalue calculation for large matrices

QUESTION FROM: Reza rho | 7 months ago
Algebra , High-Performance Computing , Mathematics , Physics , ...
0
REPLIES
1K
VIEWS

Using indices to define the metric and Ricci tensor

QUESTION FROM: Safinaz Salem | 7 months ago
Algebra , Calculus , Mathematics , Symbolic Computations , ...
0
REPLIES
815
VIEWS

Solving a 4th- PDE Numerically?

QUESTION FROM: M.A.A Ahmed | 8 months ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
922
VIEWS

Solving system of equations gives unmatched results

QUESTION FROM: Sami Heidari | 8 months ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
997
VIEWS

DSolve and DirichletConditions in 2D

QUESTION FROM: Mike T | 8 months ago
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
699
VIEWS

Using FindFit how to calculate standard deviation of fitted parameters?

QUESTION FROM: Rajesh Chell | 9 months ago
Data Science , Mathematics , Modeling , Wolfram Function Repository , ...
0
REPLIES
976
VIEWS

Help out the oldest computation in history

QUESTION FROM: Robert Silverman | 9 months ago
Computer Science , Jobs & More Exchange , Mathematics
0
REPLIES
1.4K
VIEWS

Foriegn variable names in the outputs of computing a Lie bracket commutation

QUESTION FROM: Nomsa Ledwaba | 9 months ago
Algebra , Mathematics , Physics , Symbolic Computations , ...
0
REPLIES
1.3K
VIEWS

Calculation of field equation and extract metric using xAct package

QUESTION FROM: Debojyoti Mondal | 9 months ago
Algebra , Equation Solving , Mathematics , Packages , Wolfram Language
0
REPLIES
1.5K
VIEWS

ParametricPlot celestial coordinates

QUESTION FROM: Malej Est | 9 months ago
Astronomy , Graphics and Visualization , Mathematics , Physics , ...
0
REPLIES
1K
VIEWS

Rapid expansion and collection of large expressions

QUESTION FROM: Maciej Kozyra | 9 months ago
High-Performance Computing , Mathematics , Symbolic Computations , ...
0
REPLIES
1.1K
VIEWS

How to save the Mathematica execution state so that I can stop and later continue from where it was?

QUESTION FROM: Juan Barandiaran | 10 months ago
Import and Export , Optimization , Mathematics , ...
0
REPLIES
1.6K
VIEWS

Algebra II course in Wolfram U?

QUESTION FROM: Winfred Hasty | 10 months ago
Algebra , Mathematics , Wolfram Language , Wolfram U
0
REPLIES
1.1K
VIEWS

Step-by-step using API

QUESTION FROM: Ahmed Ahmed | 10 months ago
Mathematics , Wolfram|Alpha
0
REPLIES
1.6K
VIEWS

We need a common right angle notation symbol

QUESTION FROM: Roger J Brown | 11 months ago
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
1.5K
VIEWS

Increasing efficiency of Monte Carlo simulation of stochastic differential equation

QUESTION FROM: Cameron Turner | 0 months ago
Computer Science , Finance , High-Performance Computing , ...
0
REPLIES
1.4K
VIEWS

Trying to typeset a LaTeX array in a Text Cell results in terribly formatted matrix

QUESTION FROM: David Gillcrist | 0 months ago
Mathematics , Packages , Wolfram Language
0
REPLIES
1.2K
VIEWS

FEM: Problem with Meshing

QUESTION FROM: Dirk Brömme | 0 months ago
Geometry , Mathematics , Physics , Wolfram Language
0
REPLIES
1.2K
VIEWS

Numerical instability in simulation

QUESTION FROM: Ee Kin Chan | 1 year ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
1K
VIEWS

Recommend books on symbolic expression conversion

QUESTION FROM: Sasha Mandra | 1 year ago
Mathematics , Wolfram Language
0
REPLIES
1K
VIEWS

Function layer error compiler: cannot interpret as a network

QUESTION FROM: Laura Pilozzi | 1 year ago
Algebra , Mathematics , Tuning and Debugging , Wolfram Language
0
REPLIES
904
VIEWS

Would anyone help/guide how to solve the following system

QUESTION FROM: Sajjad Ahmad | 1 year ago
Equation Solving , Mathematics , Wolfram Language
0
REPLIES
1.1K
VIEWS

How to use Catch multiple times inside a loop (For)?

QUESTION FROM: Issam EL MARIAMI | 1 year ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.1K
VIEWS

What can be the reason of the poor accuracy of NDSolve over the first integration step?

QUESTION FROM: Leslaw Bieniasz | 1 year ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
1.4K
VIEWS

Generating a symbolic computation of a dot product between a vector and tensor without evaluation

QUESTION FROM: Nomsa Ledwaba | 1 year ago
Mathematics , Wolfram Language
0
REPLIES
1.5K
VIEWS

Code for Skin friction or Nusselt number in 2 variables instead of 4

QUESTION FROM: Abid Hussain | 1 year ago
Calculus , Equation Solving , Mathematics , Wolfram Language
0
REPLIES
1K
VIEWS

Unexpected result when Sarima model is used

QUESTION FROM: Mirjana Brdar | 1 year ago
Data Science , Graphics and Visualization , Mathematics , Modeling , ...
0
REPLIES
1K
VIEWS

Writing Laplace boundary condition in Wolfram Language

QUESTION FROM: Ali Alabdrabulrasul | 1 year ago
Mathematics , Physics , Wolfram Language
0
REPLIES
903
VIEWS

Including absorbing boundary (surface) for a continuous stochastic process on a complex domain

QUESTION FROM: Cameron Turner | 1 year ago
Equation Solving , Finance , Graphics and Visualization , ...
0
REPLIES
1.3K
VIEWS

How do I separate or categorize terms of a function of (x,t,u)

QUESTION FROM: Nomsa Ledwaba | 1 year ago
Algebra , Equation Solving , Mathematics , Wolfram Language
0
REPLIES
1.7K
VIEWS

How to correct this code so that it can output the correct results?

QUESTION FROM: Lee Tao | 1 year ago
Mathematics , Tuning and Debugging , Wolfram Language
0
REPLIES
1.5K
VIEWS

Bifurcation graphs of two equations

QUESTION FROM: Sajad Hoseini | 1 year ago
Engineering , Graphics and Visualization , Mathematics , ...
0
REPLIES
1K
VIEWS

A strange error regarding the ListVectorDisplacementPlot3D

QUESTION FROM: xiaochao Chen | 1 year ago
Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
1K
VIEWS

Visualizing Mandelbrot Sets in 3D

QUESTION FROM: William Kim | 1 year ago
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
1.4K
VIEWS

Calculation of Coxeter's integrals. Reduction to Ahmed integrals.

QUESTION FROM: José Luis Garrido | 1 year ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
1.4K
VIEWS

How can i make this code faster?

QUESTION FROM: Raghad Al-amri | 1 year ago
Calculus , Graphics and Visualization , Mathematics , ...
0
REPLIES
1.4K
VIEWS

How to find a function for decision variable

QUESTION FROM: Shafa Hananta | 1 year ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.3K
VIEWS

Tilting beam with the center of mass over an edge

QUESTION FROM: Felix Toperczer | 1 year ago
Calculus , Dynamic Interactivity , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

Numerical Simulation of Damped, Driven Nonlinear Waves with Extended Initial Conditions

QUESTION FROM: Athanasios Paraskevopoulos | 1 year ago
Equation Solving , Graphics and Visualization , Mathematics , ...
0
REPLIES
1.5K
VIEWS

Can anyone verify these factors of the largest RSA number on Wikipedia?

QUESTION FROM: Bobby Joe Snyder | 1 year ago
Algebra , Data Science , Equation Solving , Mathematics , ...
0
REPLIES
1.9K
VIEWS

Unexpected result from GeneralMiniMaxApproximation?

QUESTION FROM: Bernd Mulansky | 1 year ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
957
VIEWS

How to impose a neural network to solve a PDE problem step by step?

QUESTION FROM: Faz 1 | 1 year ago
Calculus , Data Science , Equation Solving , Mathematics , ...
0
REPLIES
1.5K
VIEWS

Matrix creation using a table

QUESTION FROM: Leo Murphy | 1 year ago
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
1.7K
VIEWS

Find clusters with threshold for number of members

QUESTION FROM: Denis Ivanov | 1 year ago
Data Science , Mathematics , Wolfram Language
0
REPLIES
1.2K
VIEWS

NDSolveValue in FEM not finish

QUESTION FROM: Akira O | 1 year ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
1.3K
VIEWS

How to avoid NDSolve::ndcf: Repeated convergence test failure?

QUESTION FROM: Leslaw Bieniasz | 1 year ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2K
VIEWS

Questions on DistributionFitTest and EstimatedDistribution

QUESTION FROM: Rostislav Serota | 1 year ago
Data Science , Mathematics , Statistics and Probability , ...
0
REPLIES
1.3K
VIEWS

Tex formula completion and preview

QUESTION FROM: Dualer | 1 year ago
Mathematics , Physics , User Interface , Wolfram Language
0
REPLIES
1.1K
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

Repeated calls to QuadraticOptimization

QUESTION FROM: Christian Mullon | 1 year ago
Optimization , Mathematics , Wolfram Language
0
REPLIES
1.3K
VIEWS

Insert the "FluidLoad" option into the FluidFlowPDEComponent

QUESTION FROM: Sinval Santos | 1 year ago
Mathematics , Wolfram Language
0
REPLIES
1.5K
VIEWS

SurfaceIntegrate with non-Cartesian coordiantes

QUESTION FROM: Frank Kuehnel | 1 year ago
Calculus , Geometry , Mathematics , Wolfram Language
0
REPLIES
1.3K
VIEWS

Nvarier Stokes example does not work on the Raspberry Pi

QUESTION FROM: Mishal Mohanlal | 1 year ago
Graphics and Visualization , Mathematics , Physics , Raspberry Pi , ...
0
REPLIES
2K
VIEWS

Vector Calculus in (latitude, longitude) coordinates

QUESTION FROM: Jeffrey Weiss | 1 year ago
Geographic Information System , Geometry , Mathematics , ...
0
REPLIES
1.3K
VIEWS

Customizing the edges in a graph

QUESTION FROM: Garcin Jean-Louis | 1 year ago
Graphics and Visualization , Graphs and Networks , Mathematics , ...
0
REPLIES
1.1K
VIEWS

NIntegrate on Python function

QUESTION FROM: Ermanno Citraro | 1 year ago
Calculus , External Programs and Systems , Mathematics , ...
0
REPLIES
1.2K
VIEWS

Unexpected result from Integrate[ ]?

QUESTION FROM: Leslaw Bieniasz | 2 years ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
1.2K
VIEWS

Issues with FourierSequenceTransform and its inverse

QUESTION FROM: Bert Aerts | 2 years ago
Mathematics , Signal Processing , Wolfram Language
0
REPLIES
2K
VIEWS

My code needs to be improved

QUESTION FROM: Vedat Erturk | 2 years ago
Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
1.5K
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

I do not understand well this output from FiniteGroupData

QUESTION FROM: Antonio Horcas Serrano | 2 years ago
Algebra , Group Theory , Mathematics , Wolfram Language
0
REPLIES
1.5K
VIEWS

Electromagnetically Induced Transparency with five-level system

QUESTION FROM: Junnan Wang | 2 years ago
Equation Solving , Mathematics , Optics , Packages , Physics , ...
0
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

How to calculate the strength tensor of a vector field?

QUESTION FROM: Safinaz Salem | 2 years ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
1.4K
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

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

Epsilon Delya limits: Manipulate doesn't work

QUESTION FROM: Roger Wells | 2 years ago
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
0
REPLIES
1.8K
VIEWS

Why does the run time increase in higher crossovers? So that the code does not work

QUESTION FROM: karam mohamadpour | 2 years ago
Calculus , Graphics and Visualization , Optimization , Mathematics , ...
0
REPLIES
1.3K
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
1.5K
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
1.5K
VIEWS

Wolfram Alpha API error code 1010: sequences of 1's divided by <=3 digits

QUESTION FROM: Leo L | 2 years ago
Mathematics , Wolfram|Alpha
0
REPLIES
1.4K
VIEWS

Numerical Nonlinear Global Optimization -- NMinimize -- Nelder-Mead Method

QUESTION FROM: Edward Newsome | 2 years ago
Optimization , Mathematics , Packages , Wolfram Language
0
REPLIES
2.1K
VIEWS

Question about Incidence function for SIR model

QUESTION FROM: Athanasios Paraskevopoulos | 2 years ago
Biological Sciences , Calculus , Equation Solving , ...
0
REPLIES
1.2K
VIEWS

Modifying and Saving Demonstration Project Dynamical Systems with Lorenz Attractors

QUESTION FROM: Lawrence Winkler | 2 years ago
Demonstrations , Dynamic Interactivity , Mathematics , ...
0
REPLIES
2.2K
VIEWS

A request on the kernel of the function ”SpheroidalEigenvalue“ in Mathemitica 11

QUESTION FROM: Xu Xu | 2 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.4K
VIEWS

Statistics Question of a Confidence Interval of a Proportion

QUESTION FROM: Mitchell Sandlin | 2 years ago
Mathematics , Statistics and Probability , Wolfram Language
0
REPLIES
1.6K
VIEWS
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