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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
710
VIEWS

Derivatives are not evaluated when substituted in differential equation

QUESTION FROM: Christer Gustafsson | 6 months ago BY: Christer Gustafsson
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
1K
VIEWS

Simplify x-x is not evaluated to zero

QUESTION FROM: Christer Gustafsson | 6 months ago BY: Christer Gustafsson
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
1K
VIEWS

Parallel computing a matrix with different variable for each kernel

QUESTION FROM: Ulrich Utiger | 6 months ago BY: Ulrich Utiger
High-Performance Computing , Mathematics , Wolfram Language
2
REPLIES
1.2K
VIEWS

Unexpected result in equation elimination from Wolfram Alpha

QUESTION FROM: Ron Hartikka | 6 months ago BY: Ron Hartikka
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
2
REPLIES
1.4K
VIEWS

Avoid singularity in TOV equations

QUESTION FROM: Sebastián Moreno Chalacá | 7 months ago
Algebra , Equation Solving , Graphics and Visualization , ...
0
REPLIES
865
VIEWS

What is the cause of the incorrect substitution?

QUESTION FROM: Sami Heidari | 7 months ago BY: Sami Heidari
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
994
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
721
VIEWS

Optimization of eigenvalue calculation for large matrices

QUESTION FROM: Reza rho | 7 months ago
Algebra , High-Performance Computing , Mathematics , Physics , ...
0
REPLIES
970
VIEWS

How to CopyToClipboard[] special characters

QUESTION FROM: Cesar Lozada | 7 months ago BY: Updating Name
Mathematics , Wolfram Language
2
REPLIES
1.4K
VIEWS

Help in drawing a diagram

QUESTION FROM: Sami Heidari | 8 months ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
880
VIEWS

How do I stop Wolfram Alpha from automatically rounding?

QUESTION FROM: Aaron Ortega | 8 months ago BY: Aaron Ortega
Mathematics , Wolfram|Alpha
2
REPLIES
1.5K
VIEWS

Seeking Help to Improve Image Processing Code in Mathematica.

QUESTION FROM: Flora Vosoughi | 8 months ago BY: EDITORIAL BOARD
3D Printing , Computer Science , Data Science , Engineering , ...
1
REPLIES
1.5K
VIEWS

Unexpected solution from FindMinimum and NArgMin

QUESTION FROM: Iuval Clejan | 8 months ago BY: Iuval Clejan
Optimization , Mathematics , Wolfram Language
12
REPLIES
2.7K
VIEWS

Solving a 4th- PDE Numerically?

QUESTION FROM: M.A.A Ahmed | 8 months ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
890
VIEWS

Solving system of equations gives unmatched results

QUESTION FROM: Sami Heidari | 8 months ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
958
VIEWS

DSolve and DirichletConditions in 2D

QUESTION FROM: Mike T | 8 months ago
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
665
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
939
VIEWS

In terms of performance, how to get a solution to this equation with y being a perfect square ?

QUESTION FROM: Laël Cellier | 9 months ago BY: Daniel Lichtblau
Algebra , Discrete Mathematics , Equation Solving , Mathematics , ...
1
REPLIES
1.5K
VIEWS

Area[] function gives error messages when using a ParametricRegion[] function

QUESTION FROM: Mitchell Sandlin | 9 months ago BY: Eric Rimbey
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
1.5K
VIEWS

Plot of independent variables of two functions non invertible

QUESTION FROM: Malej Est | 9 months ago BY: Malej Est
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
1.1K
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

Analytically solving this system of 2nd order PDEs

QUESTION FROM: Safinaz Salem | 9 months ago BY: Bill Nelson
Calculus , Equation Solving , Graphics and Visualization , ...
1
REPLIES
1.5K
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
1.2K
VIEWS

Using LineIntegrate[] along with ImplicitRegion[] to calculate a line integral

QUESTION FROM: Mitchell Sandlin | 9 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.5K
VIEWS

Not able to solve partial differential equation

QUESTION FROM: Partha Kumar Paul | 9 months ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
886
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
1.4K
VIEWS

ParametricPlot celestial coordinates

QUESTION FROM: Malej Est | 9 months ago
Astronomy , Graphics and Visualization , Mathematics , Physics , ...
0
REPLIES
970
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

Transforming CoefficitenList[] output into set of equations to use in Solve[]

QUESTION FROM: Guido Nierhauve | 10 months ago BY: Sotiris Michos
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
1.3K
VIEWS

Regarding the boundary conditions in square cavity problem

QUESTION FROM: Nithiya V | 10 months ago BY: Mohammad Bahrami
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
1.8K
VIEWS

Help in solving a PDE?

QUESTION FROM: Sami Heidari | 10 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.1K
VIEWS

Help with inverse functions

QUESTION FROM: Michele Galasso | 10 months ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
5
REPLIES
1.2K
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
1.5K
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

Generating negative binomial counts using a Poisson mixture of Gamma distributions

QUESTION FROM: Claude Mante | 10 months ago BY: Jim Baldwin
Data Science , Mathematics , Statistics and Probability , ...
1
REPLIES
2.1K
VIEWS

Step-by-step using API

QUESTION FROM: Ahmed Ahmed | 10 months ago
Mathematics , Wolfram|Alpha
0
REPLIES
1.5K
VIEWS

Can I Use Wolframplha's step by step api in python?

QUESTION FROM: Aswin Selvam | 11 months ago BY: Nadir Bertolasi
External Programs and Systems , Mathematics , Wolfram|Alpha , ...
2
REPLIES
4.1K
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
1.4K
VIEWS

How to get eigenvalues and vectors for changing parameters in a matrix

QUESTION FROM: Kabeer Munjal | 0 months ago BY: Eric Rimbey
Algebra , Mathematics , Wolfram Language
2
REPLIES
1.3K
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
1.3K
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
1.1K
VIEWS

FEM: Problem with Meshing

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

Need help solving an equation

QUESTION FROM: Melker Sjölin | 0 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.1K
VIEWS

Not a valid variable in mahtematica

QUESTION FROM: Minkyung Chun | 0 months ago BY: Eric Rimbey
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.4K
VIEWS

Numerical instability in simulation

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

Solving differential equation depending on radial and time parameter

QUESTION FROM: Leo Murphy | 1 year ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
1.9K
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
879
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 do I calculate the conjugation for the whole expression?

QUESTION FROM: A J | 1 year ago BY: A J
Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
1.3K
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

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

QUESTION FROM: Stefano Vitale | 1 year ago BY: Stefano Vitale
Calculus , Data Science , Mathematics , Modeling , Wolfram Language
6
REPLIES
2.1K
VIEWS

What is this MeijerG Function

QUESTION FROM: Qiang Lu | 1 year ago BY: Qiang Lu
Calculus , Mathematics , Numerical Computation , Physics , ...
2
REPLIES
1.3K
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

Problem with Around (simplification of sums of Around)

QUESTION FROM: Mario Veruete | 1 year ago BY: Gianluca Gorni
Mathematics , Wolfram Language
5
REPLIES
2.3K
VIEWS

Rounded result from Wolfram Alpha

QUESTION FROM: Julius Kohn | 1 year ago BY: Bill Nelson
Mathematics , Wolfram|Alpha
1
REPLIES
1.5K
VIEWS

Writing Laplace boundary condition in Wolfram Language

QUESTION FROM: Ali Alabdrabulrasul | 1 year ago
Mathematics , Physics , Wolfram Language
0
REPLIES
881
VIEWS

How to export/import to/from a file an object returned by NDSolve?

QUESTION FROM: Leslaw Bieniasz | 1 year ago BY: Michael Rogers
Import and Export , Mathematics , Wolfram Language
1
REPLIES
1.8K
VIEWS

Solving and plotting with incomplete gamma function

QUESTION FROM: Debojyoti Mondal | 1 year ago BY: Gianluca Gorni
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
1.8K
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

Getting closed solution from Integrate or speeding up NIntegrate

QUESTION FROM: Russell Kurtz | 1 year ago BY: Russell Kurtz
Calculus , Mathematics , Wolfram Language
9
REPLIES
2.6K
VIEWS

How do I simulate with three dependent differential equations in Mathematica

QUESTION FROM: Scott Klakamp | 1 year ago BY: Scott Klakamp
Biological Sciences , Calculus , Mathematics , Wolfram Language
42
REPLIES
5K
VIEWS

DSolve stuck (infinite loading) with simple PDEs

QUESTION FROM: Mathematica Novice | 1 year ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.3K
VIEWS

Giving values of boundary conditions while solving a system of non-linear equations

QUESTION FROM: Nithiya V | 1 year ago BY: Nithiya V
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
17
REPLIES
2.2K
VIEWS

Joule Thomson expansion of black hole

QUESTION FROM: Debojyoti Mondal | 1 year ago BY: Ronald Riegert
Equation Solving , Graphics and Visualization , Mathematics , ...
5
REPLIES
2.6K
VIEWS

Solving an equation with fraction powers?

QUESTION FROM: Bob Kakmak | 1 year ago BY: Mariusz Iwaniuk
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.4K
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
1.6K
VIEWS

Sailplane polar coefficients

QUESTION FROM: Denis Buckley | 1 year ago BY: Gianluca Gorni
Engineering , Graphics and Visualization , Mathematics , ...
3
REPLIES
1.4K
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

Solving stationary heat equation (Laplace-Equation) with 2 regions and 2 different materials

QUESTION FROM: Dirk Brömme | 1 year ago BY: Dirk Brömme
Calculus , Engineering , Equation Solving , ...
1
REPLIES
1.6K
VIEWS

How can this custom function generate the corresponding arithmetic sequence?

QUESTION FROM: Lee Tao | 1 year ago BY: Gianluca Gorni
Mathematics , Wolfram Language
1
REPLIES
1.6K
VIEWS

Bifurcation graphs of two equations

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

How to plot (2D) the projection of two planes in a 3D graph?

QUESTION FROM: Marina Nebot | 1 year ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
1.3K
VIEWS

Use function of a variable as a part specifier?

QUESTION FROM: Steven Clark | 1 year ago BY: James Bowery
Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
19.5K
VIEWS

Unable to state a simple square-well Schrödinger problem: "This system cannot be solved"

QUESTION FROM: Christer Gustafsson | 1 year ago BY: Christer Gustafsson
Algebra , Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
2.2K
VIEWS

How can I keep a list structure in NDSolve

QUESTION FROM: Iuval Clejan | 1 year ago BY: Christopher French
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.7K
VIEWS

Plot audio data from a dual (stereo) channel file?

QUESTION FROM: Motilal khoirom | 1 year ago BY: Adam Cherad
Audio, Sound and Music , Graphics and Visualization , Mathematics , ...
5
REPLIES
8.9K
VIEWS

Det::luc result for Det of badly conditioned matrix

QUESTION FROM: Cesar Lozada | 1 year ago BY: Cesar Lozada
Algebra , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
2.1K
VIEWS

Cannot apply FindMaximum/FindMinimum on a list of function invoking styled symbols

QUESTION FROM: Ei Cho | 1 year ago BY: Gianluca Gorni
Optimization , Mathematics , Wolfram Language
1
REPLIES
1.2K
VIEWS

How can i make this code faster?

QUESTION FROM: Raghad Al-amri | 1 year ago
Calculus , Graphics and Visualization , Mathematics , ...
0
REPLIES
1.3K
VIEWS

Wolfram Engine taking long to evaluate eigenvalues and vectors

QUESTION FROM: Mishal Mohanlal | 1 year ago BY: Mishal Mohanlal
Algebra , Mathematics , Wolfram Engine , Wolfram Language
4
REPLIES
2.4K
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

Plot doesn't show function and Nintegrate will not try?

QUESTION FROM: Kari Karhi | 1 year ago BY: Mariusz Iwaniuk
Calculus , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.5K
VIEWS

How can I solve a system of ODE system using RKF45 method with shoting technique?

QUESTION FROM: J Prakash | 1 year ago BY: Michael Rogers
Calculus , Equation Solving , Graphics and Visualization , ...
1
REPLIES
1.6K
VIEWS

Plot the solution of a differential equation

QUESTION FROM: Ian P | 1 year ago BY: Gianluca Gorni
Calculus , Equation Solving , Graphics and Visualization , ...
7
REPLIES
2.3K
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
1.8K
VIEWS

Unexpected Limit result

QUESTION FROM: Moses Ike | 1 year ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.2K
VIEWS

NCaputoD function is based on Caputo L1 scheme or Caputo predictor-corrector scheme?

QUESTION FROM: G Velmurugan | 1 year ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Numerical Computation
1
REPLIES
1.5K
VIEWS

NSolve and FindRoot unable to solve system of trig equations

QUESTION FROM: Alice Wang | 1 year ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
1.8K
VIEWS

Constrained minimization of a function whose minimum is exactly zero

QUESTION FROM: Alfred Svarc | 1 year ago BY: Alfred Svarc
Equation Solving , Optimization , Mathematics , ...
1
REPLIES
1.5K
VIEWS

Unexpected result from GeneralMiniMaxApproximation?

QUESTION FROM: Bernd Mulansky | 1 year ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
926
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
1.4K
VIEWS

Validating analytical solution of an equation

QUESTION FROM: Debojyoti Mondal | 1 year ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
1.6K
VIEWS

Perform a Bootstrap Analysis with the following data set?

QUESTION FROM: Oscar Rodriguez | 1 year ago BY: Ronald Smith
Data Science , External Programs and Systems , ...
1
REPLIES
8.4K
VIEWS
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