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Numeric equation solving, calculus and statistics, precision and accuracy control for numeric computations...

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NDSolveValue: crashes kernel for FEM model

QUESTION FROM: Mike T | 4 years ago BY: Mike T
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.9K
VIEWS

Error in NDSolveValue[ ]: solve the heat equation in 2D?

QUESTION FROM: Alexandre Barboteu | 4 years ago BY: Lissa de Souza Campos
Calculus , Equation Solving , Graphics and Visualization , ...
6
REPLIES
6.4K
VIEWS

Preserve arguments' patterns while taking a Derivative?

QUESTION FROM: Nikolay Shilov | 4 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
5.7K
VIEWS

NIntegrate command does not converge

QUESTION FROM: Aslam Kittur | 4 years ago BY: Aslam Kittur
Calculus , Mathematics , Numerical Computation , Wolfram Language
7
REPLIES
4.9K
VIEWS

How can I do NIntegrate of derivative of the function?

QUESTION FROM: Sangshin Park | 4 years ago BY: Sangshin Park
Calculus , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
3K
VIEWS

Error while using NDSolve?

QUESTION FROM: Maggie Purvis | 4 years ago BY: Bill Nelson
Algebra , Chemistry , Equation Solving , Mathematics , ...
1
REPLIES
4.8K
VIEWS

How to sovle the second order ODE numerically？

QUESTION FROM: Daniel Niu | 4 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
4.4K
VIEWS

How to find the intersection point of four equations?

QUESTION FROM: Sunanda Lakkimsetti | 4 years ago BY: Sunanda Lakkimsetti
Equation Solving , Mathematica , Mathematics , ...
13
REPLIES
6.6K
VIEWS

Tips needed for speeding up solving system of equations?

QUESTION FROM: Vedat Erturk | 4 years ago BY: Vedat Erturk
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.5K
VIEWS

Error solving non-linear BVP problem using NDSolve?

QUESTION FROM: Andrea Impiombato | 4 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
3.1K
VIEWS

On the use of WhenEvent[]

QUESTION FROM: J Jesus Rico-Melgoza | 4 years ago BY: J Jesus Rico-Melgoza
Control Systems , Equation Solving , Logic and Boolean Algebra , ...
2
REPLIES
6.8K
VIEWS

Using boundary of 2D domain into 1D input for NDSolve PDEs

QUESTION FROM: srinivas.gk | 4 years ago
Calculus , Equation Solving , Numerical Computation , Wolfram Language
0
REPLIES
2.4K
VIEWS

Defining a function to estimate a function's inverse?

QUESTION FROM: Steve Kilner | 4 years ago BY: Henrik Schachner
Equation Solving , Graphics and Visualization , Mathematics , ...
5
REPLIES
4.8K
VIEWS

PDE solution using NDSolve not smooth

QUESTION FROM: srinivas.gk | 4 years ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
4.9K
VIEWS

Solve a system of differential equations in a loop

QUESTION FROM: Agapi Pop | 4 years ago BY: Neil Singer
Calculus , Equation Solving , Numerical Computation , Physics , ...
7
REPLIES
4.6K
VIEWS

Passing a numerical solution of an integral to NIntegrate?

QUESTION FROM: Alex B | 4 years ago BY: Michael Harrison
Calculus , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
5.8K
VIEWS

Mathematica 12.2 is slower than 12.1 as measured by WolframMark

QUESTION FROM: Douglas Kubler | 4 years ago BY: Elisa Herraez
Computational Systems , High-Performance Computing , Mathematica , ...
5
REPLIES
13.7K
VIEWS

Different result from Integrate and NIntegrate?

QUESTION FROM: Alex B | 4 years ago BY: Alex B
Calculus , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
5K
VIEWS

Find these Transcendental equation's solution?

QUESTION FROM: Muhammad Afzal | 4 years ago BY: Sunanda Lakkimsetti
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
19
REPLIES
11.7K
VIEWS

[Solved] Problem using Piecewise and Module inside NDSolve.

QUESTION FROM: Marco Maria Molinari | 4 years ago BY: Neil Singer
Calculus , Equation Solving , Numerical Computation , Wolfram Language
5
REPLIES
3.5K
VIEWS

Printing outputs for Collatz conjecture?

QUESTION FROM: Jonathan Bell | 4 years ago BY: Jonathan Bell
Algebra , Discrete Mathematics , Mathematics , Numerical Computation
6
REPLIES
7.5K
VIEWS

Solving wave equation with spherical coordinates using NDSolveValue?

QUESTION FROM: Sofie Koksbang | 4 years ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
7
REPLIES
7.6K
VIEWS

Passing a solution of an integral to NIntegrate?

QUESTION FROM: Alex B | 4 years ago
Calculus , Mathematics , Numerical Computation , Wolfram Language
0
REPLIES
3.8K
VIEWS

NSolve takes too long to solve equation?

QUESTION FROM: Sabrina Chui | 4 years ago BY: Sabrina Chui
Algebra , Calculus , Equation Solving , Mathematics , ...
13
REPLIES
6.1K
VIEWS

Plot a system of differential equations in a loop

QUESTION FROM: Agapi Pop | 4 years ago BY: Bill Nelson
Calculus , Equation Solving , Graphics and Visualization , ...
7
REPLIES
3.8K
VIEWS

Why does NProbability output a zero?

QUESTION FROM: Raspi Rascal | 4 years ago BY: Raspi Rascal
Numerical Computation , Statistics and Probability , Wolfram Language
6
REPLIES
6K
VIEWS

Using NSolve to solve equation given by power series?

QUESTION FROM: Anonymous User | 4 years ago BY: Anonymous User
Algebra , Equation Solving , Graphics and Visualization , ...
8
REPLIES
6.6K
VIEWS

Avoid RecursionLimit while finding roots of interpolating function?

QUESTION FROM: Juan Valdez | 4 years ago BY: Rohit Namjoshi
Equation Solving , Graphics and Visualization , Mathematics , ...
2
REPLIES
2.7K
VIEWS

How to solve PDE numerically?

QUESTION FROM: KRISHAN SHARMA | 4 years ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.8K
VIEWS

Solving system of equations using NSolve?

QUESTION FROM: Ruggiero Rippo | 4 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
2.9K
VIEWS

NIntegrate doesn't converge after increasing Precision->22?

QUESTION FROM: Karl K. | 4 years ago
Calculus , Mathematics , Numerical Computation , Wolfram Language
0
REPLIES
2.5K
VIEWS

NIntegrate slowly converging where Integrate+NIntegrate has no problems

QUESTION FROM: Henry Shackleton | 4 years ago
Calculus , Numerical Computation , Wolfram Language
0
REPLIES
2.2K
VIEWS

[solved] Kernel crashes during calculation of determinant of a matrix

QUESTION FROM: Martin Guttmann | 4 years ago BY: Martin Guttmann
Algebra , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
5.4K
VIEWS

How to extend the code to a system with delay?

QUESTION FROM: vijayalakshmi palanisamy | 4 years ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Numerical Computation , Wolfram Language
4
REPLIES
3.8K
VIEWS

Solve the transcendental complex equation with Mathematica?

QUESTION FROM: Nam Nam | 4 years ago BY: Bill Nelson
Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
5.3K
VIEWS

Multiple nested (time ordered) integrals with NIntegrate

QUESTION FROM: Eva Mpis | 4 years ago
Calculus , Mathematics , Numerical Computation , Wolfram Language
0
REPLIES
3K
VIEWS

Find NDsolve

QUESTION FROM: AHMAD ALMAMO | 4 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2.3K
VIEWS

Numeric Precision in Scientific Calculation

QUESTION FROM: Neil Parker | 4 years ago BY: Neil Parker
Numerical Computation , Physics , Wolfram Language
4
REPLIES
3.4K
VIEWS

NDSolve error for a system of coupled differential equations

QUESTION FROM: Akshay S | 4 years ago BY: Akshay S
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
3.3K
VIEWS

Integrate error: "The integrand has evaluated to non-numerical values..."

QUESTION FROM: Alex B | 4 years ago BY: Bill Nelson
Calculus , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
5.1K
VIEWS

Problem with NMinimize - continuous and discrete variables

QUESTION FROM: Rosen MITREV | 4 years ago BY: Jim Baldwin
Calculus , Optimization , Mathematics , Numerical Computation , ...
1
REPLIES
4.9K
VIEWS

Why are minimum and maximum numbers fixed?

QUESTION FROM: Leslaw Bieniasz | 4 years ago BY: Leslaw Bieniasz
Numerical Computation , Wolfram Language
4
REPLIES
4.7K
VIEWS

Get NDSolve to not crash while solving a pde?

QUESTION FROM: Praveen Kumar | 4 years ago BY: Praveen Kumar
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
5.2K
VIEWS

Increasing the machine precision leads to long evaluation time

QUESTION FROM: Mohga Massoud | 4 years ago BY: kirk reinholtz
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
5K
VIEWS

Why NIntegrate fails to evaluate this integral?

QUESTION FROM: Leslaw Bieniasz | 5 years ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
5.4K
VIEWS

Solve system of differential equations numerically?

QUESTION FROM: Alex B | 5 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
6.3K
VIEWS

Solve and NSolve not working well with Quantity and Units?

QUESTION FROM: Francis Bush | 5 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
44
REPLIES
16.9K
VIEWS

Numerical solutions for an equation with variable parameters?

QUESTION FROM: Heitor Silva | 5 years ago BY: Hans Dolhaine
Algebra , Calculus , Equation Solving , Mathematics , ...
3
REPLIES
3.9K
VIEWS

NSolve and Solve run forever or give errors with big numbers

QUESTION FROM: Florent B | 5 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Numerical Computation , ...
5
REPLIES
4.9K
VIEWS

Different results of N in the first and second call.

QUESTION FROM: Martin Guttmann | 5 years ago BY: Rohit Namjoshi
Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
3.6K
VIEWS

Problem with NDsolve in a simple hydraulic simulation

QUESTION FROM: agilicz | 5 years ago BY: Neil Singer
Equation Solving , Mathematics , Numerical Computation , ...
7
REPLIES
6.2K
VIEWS

How to simplify output to numeric values?

QUESTION FROM: Nikolaos Stergiopulos | 5 years ago BY: Mike Besso
Numerical Computation , Wolfram Language
1
REPLIES
4K
VIEWS

Different results from two identical sums?

QUESTION FROM: Nic Bat | 5 years ago BY: Nic Bat
Compilation , Discrete Mathematics , High-Performance Computing , ...
2
REPLIES
6.7K
VIEWS

Extracting data from plot of NDSolve[ ] output

QUESTION FROM: KRISHAN SHARMA | 5 years ago BY: KRISHAN SHARMA
Calculus , Equation Solving , Graphics and Visualization , ...
4
REPLIES
5.6K
VIEWS

FindFit to find Parameters of a System of ODEs with Two Sets of Data

QUESTION FROM: Samuel Weisenburger | 5 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2.4K
VIEWS

Using DSolve[ ] to solve system of DAEs?

QUESTION FROM: JY C | 5 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2.6K
VIEWS

Problems with boundary conditions

QUESTION FROM: Rodrgio Kraemer | 5 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2.6K
VIEWS

Debugging NDSolve[ ]

QUESTION FROM: Kuroko Kairat | 5 years ago BY: EDITORIAL BOARD
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
3K
VIEWS

How can I set a condition for when FindRoot cannot find a solution?

QUESTION FROM: Archie Watts-Farmer | 5 years ago
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
3.8K
VIEWS

Save the interpolation function that is a result of NDsolve?

QUESTION FROM: Markus Schmidt | 5 years ago BY: Tony Coliderse
Calculus , Equation Solving , Mathematics , Modeling , ...
14
REPLIES
21K
VIEWS

Symbolically solving a trigonometric system of equation

QUESTION FROM: Mateusz Lazarek | 5 years ago BY: Hans Dolhaine
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
7
REPLIES
4.8K
VIEWS

Solve a System of equations using matrix inverse

QUESTION FROM: Willy Saint-Hilaire | 5 years ago BY: Hans Dolhaine
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
6K
VIEWS

NDSolve Example doesn't work

QUESTION FROM: Pavel Filippov | 5 years ago BY: Rohit Namjoshi
Calculus , Equation Solving , Numerical Computation , Wolfram Language
1
REPLIES
3.8K
VIEWS

Poisson equation with PeriodicBoundaryCondition

QUESTION FROM: JOSÉ GUILLERMO SÁNCHEZ LEÓN | 5 years ago BY: JOSÉ GUILLERMO SÁNCHEZ LEÓN
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
5.2K
VIEWS

Assign values to an NDSolve inside a For loop

QUESTION FROM: Agapi Pop | 5 years ago BY: Agapi Pop
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.1K
VIEWS

NDSolve Error

QUESTION FROM: Ευγενία Μανωλίδου-Χατζή | 5 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
5.5K
VIEWS

Obtain intersection point in a plot?

QUESTION FROM: Ram Sen | 5 years ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
4.1K
VIEWS

Finding the root of a messy function

QUESTION FROM: spidey jj | 5 years ago BY: spidey jj
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.9K
VIEWS

[Solved] Plot of a numerical integration

QUESTION FROM: Ram Sen | 5 years ago BY: Ram Sen
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
4.3K
VIEWS

Is there a list of logical rectangular matrices with a pseudoinverse?

QUESTION FROM: Douglas Youvan | 5 years ago
Logic and Boolean Algebra , Mathematics , Numerical Computation , ...
0
REPLIES
5.5K
VIEWS

Using conditional expression in summation

QUESTION FROM: Michael Morami | 5 years ago BY: Richard Frost
Mathematics , Numerical Computation , Wolfram Language
12
REPLIES
7.1K
VIEWS

Treating numbers as variables within Maximize Function

QUESTION FROM: Mark Converse | 5 years ago
Data Science , Optimization , Mathematics , Modeling , ...
0
REPLIES
3.5K
VIEWS

How to numerical solve equation with 3x-integrals

QUESTION FROM: Toibjon Abdurahmonov | 5 years ago BY: Anonymous User
Algebra , Calculus , Equation Solving , Mathematics , ...
4
REPLIES
4.3K
VIEWS

[Solved] Summation of primes and nonprimes with same result

QUESTION FROM: Luis Felipe Massena Misiec | 5 years ago BY: Luis Felipe Massena Misiec
Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
3.8K
VIEWS

System overdetermined

QUESTION FROM: Yesenia Tapia | 5 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Numerical Computation , Physics , ...
11
REPLIES
5K
VIEWS

Numerical integration of double integral with two variables

QUESTION FROM: Shahrukh Khan Kasi | 5 years ago BY: David Keith
Calculus , Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
9.2K
VIEWS

[Solved] FindRoot, infinite expression, sigular jacobian error

QUESTION FROM: Zee Khan | 5 years ago BY: Zee Khan
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
5.2K
VIEWS

Question about grid refinement

QUESTION FROM: David C | 5 years ago BY: M.A. Ghorbani
Equation Solving , Numerical Computation , Wolfram Language
2
REPLIES
4.4K
VIEWS

Question about computing period of a function

QUESTION FROM: Ghunho Min | 5 years ago BY: Rohit Namjoshi
Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
4.9K
VIEWS

Changing free variable for a Function that results from NDsolve

QUESTION FROM: Ezra Kohavi | 5 years ago BY: Ezra Kohavi
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
7
REPLIES
4K
VIEWS

Tolman–Oppenheimer–Volkoff numerical solutions with massless quark EoS

QUESTION FROM: Ayan Banerjee | 5 years ago BY: Ayan Banerjee
Mathematics , Numerical Computation , Physics , Wolfram Language
5
REPLIES
7.5K
VIEWS

A definite integral of the hyperbolic secant function

QUESTION FROM: Robert Reynolds | 5 years ago
Calculus , Mathematics , Numerical Computation , Wolfram Language
0
REPLIES
4.4K
VIEWS

Create a reverse function of Numeric function result from NDSolve

QUESTION FROM: Ezra Kohavi | 5 years ago BY: Ezra Kohavi
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.6K
VIEWS

Writing a solution dependent coefficient in a PDE using Do & Table command

QUESTION FROM: Mohammed Taherkhani | 5 years ago
Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2.6K
VIEWS

Why Wolfram|Alpha gives the right result?

QUESTION FROM: Luis Felipe Massena Misiec | 5 years ago BY: Luis Felipe Massena Misiec
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
8
REPLIES
7.6K
VIEWS

Issue with Findroot command

QUESTION FROM: Alessandro M. | 5 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
3.3K
VIEWS

Iterative function with powers

QUESTION FROM: Sam Rametse | 5 years ago BY: Bill Nelson
Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
3.9K
VIEWS

Solve 6 non-linear equations for 6 variables not working

QUESTION FROM: Neerav Kaushal | 5 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
5K
VIEWS

[Solved] Unable to run loop correctly. Replace All error.

QUESTION FROM: Avidaan Srivastava | 5 years ago BY: Avidaan Srivastava
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.9K
VIEWS

Trying to solve a simple PDE with NDSolve leads to an unclear error message

QUESTION FROM: Lars Ulke-Winter | 5 years ago
Calculus , Equation Solving , Mathematics , Modeling , ...
0
REPLIES
3.3K
VIEWS

Numeric solution for Volterra equation

QUESTION FROM: James Win | 5 years ago BY: James Win
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.8K
VIEWS

Find error in "NDsolve"

QUESTION FROM: Lina Lili | 5 years ago BY: Hans Dolhaine
Control Systems , Equation Solving , Mathematics , ...
4
REPLIES
6.7K
VIEWS

Help with system of equations: not numerical solutions but expressions

QUESTION FROM: Javier Segovia | 5 years ago BY: Javier Segovia
Equation Solving , Numerical Computation , Wolfram Language
2
REPLIES
3.8K
VIEWS

Questions about NDSolve with Dirichlet/Neumann bcs and direct formulations

QUESTION FROM: Lars Ulke-Winter | 5 years ago BY: Lars Ulke-Winter
Calculus , Engineering , Equation Solving , Mathematica , ...
2
REPLIES
6.9K
VIEWS

Mapping attempt in PeriodicBoundaryConditions ends in failure.

QUESTION FROM: Andy M | 5 years ago BY: Andy M
Dynamic Interactivity , Equation Solving , ...
2
REPLIES
3.6K
VIEWS

Overflow in Sum?

QUESTION FROM: Daniel Huber | 5 years ago BY: Mike Besso
Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
5.4K
VIEWS

Maximize with Manipulate

QUESTION FROM: Manoj Imrith | 5 years ago BY: Manoj Imrith
Dynamic Interactivity , Equation Solving , Optimization , Modeling , ...
2
REPLIES
7.6K
VIEWS

Estimated uncertainty in starting values in shooting method

QUESTION FROM: Jorge Berger | 5 years ago
Equation Solving , Optimization , Mathematics , ...
0
REPLIES
3.4K
VIEWS

Plot all possible values of a function on a range

QUESTION FROM: John Wick | 5 years ago BY: John Wick
Graphics and Visualization , Mathematics , Numerical Computation , ...
14
REPLIES
7.7K
VIEWS

Are there any alternatives for Piecewise?

QUESTION FROM: Quim iguaz | 5 years ago BY: Quim iguaz
Equation Solving , Mathematics , Numerical Computation , Physics , ...
4
REPLIES
6.9K
VIEWS
3
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