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

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2D likelihood. Calculate ellipses that contains a 95% of the area

QUESTION FROM: daniele barducci | 8 years ago BY: Anonymous User
Calculus , Equation Solving , Geometry , Mathematics , ...
7
REPLIES
8.3K
VIEWS

Why does MinPrecision affect the result of computation?

QUESTION FROM: Charudatt Kadolkar | 8 years ago BY: Charudatt Kadolkar
Mathematics , Numerical Computation , Wolfram Language
7
REPLIES
4.5K
VIEWS

Avoid trouble with NDSolve and dependent variables?

QUESTION FROM: Isaac Lee | 8 years ago BY: Alexander Trounev
Calculus , Dynamic Interactivity , Equation Solving , Mathematics , ...
7
REPLIES
8.7K
VIEWS

PDE solving - which solver is best?

QUESTION FROM: Ser Man | 8 years ago BY: Ser Man
Equation Solving , Mathematics , Numerical Computation , ...
7
REPLIES
4.9K
VIEWS

Solve decoupled PDE's with NDSolve?

QUESTION FROM: Eric Smith | 8 years ago BY: Eric Smith
Equation Solving , Mathematics , Numerical Computation , ...
7
REPLIES
7.1K
VIEWS

Diffusion localised on the map of France

QUESTION FROM: André Dauphiné | 9 years ago BY: Ali Hashmi
Curated Data , Environmental Science , Equation Solving , ...
7
REPLIES
16.3K
VIEWS

Adaptive numerical Lebesgue integration by set measure estimates

CONTRIBUTED BY: Anton Antonov | 10 years ago BY: Anton Antonov
Staff Picks , Calculus , Graphics and Visualization , Mathematica , ...
7
REPLIES
20.7K
VIEWS

Handle two 3 rows x 2 columns matrices in NonlinearModelFit?

QUESTION FROM: Jun Hui Yeoh | 10 years ago BY: Will Smith
Data Science , Mathematics , Modeling , Numerical Computation , ...
7
REPLIES
8.8K
VIEWS

Use NDSolve with conditional coefficients?

QUESTION FROM: Iuval Clejan | 10 years ago BY: Bill Simpson
Control Systems , Equation Solving , Mathematics , ...
7
REPLIES
12.1K
VIEWS

Symbolic vector generator

QUESTION FROM: Carlos Felippa | 10 years ago BY: Carlos Felippa
Mathematica , Numerical Computation , Physics
7
REPLIES
8.7K
VIEWS

EDITED:same computation gives different results

QUESTION FROM: Mike Luntz | 11 years ago BY: Daniel Lichtblau
Numerical Computation , Symbolic Computations , Wolfram Language
7
REPLIES
14K
VIEWS

how to use the "For" here

QUESTION FROM: YU SHANG | 11 years ago BY: YU SHANG
Data Science , Mathematica , Numerical Computation , Physics , ...
7
REPLIES
15.2K
VIEWS

A look at Liouville's number

QUESTION FROM: Marvin Ray Burns A.G.S. (cum laude) | 11 years ago BY: Daniel Lichtblau
Numerical Computation
7
REPLIES
6.5K
VIEWS

Strange behavior of Round[x_, .1] -- I want Round[2.40, .1] to be 2.4

QUESTION FROM: Elaine Kant | 11 years ago BY: John Doty
Mathematica , Mathematics , Numerical Computation
7
REPLIES
9.3K
VIEWS

Problem for diagonalisation of a complex 6*6 matrix

QUESTION FROM: Jonathan Da Silva | 11 years ago BY: Michael Helmle
Algebra , Mathematica , Numerical Computation , Wolfram Language
7
REPLIES
12.3K
VIEWS

Why does FindMinimum return 'The function value Null is not a real number'?

QUESTION FROM: Marco Gorelli | 11 years ago BY: Frank Kampas
Mathematica , Optimization , Numerical Computation , Wolfram Language
7
REPLIES
6.1K
VIEWS

Real-valued integral over real variable returns complex result(s)

QUESTION FROM: Jerry | 11 years ago BY: Marco Thiel
Calculus , Mathematica , Numerical Computation , Wolfram Language
7
REPLIES
20.1K
VIEWS

Runge Kutta method to solve the Equation

QUESTION FROM: Zainab Junaid | 11 years ago BY: Zainab Junaid
Calculus , Equation Solving , Numerical Computation , Wolfram Language
7
REPLIES
14.3K
VIEWS

How to do numerical integration from data set?

QUESTION FROM: luke schutzenhofer | 12 years ago BY: Sean Clarke
Calculus , Numerical Computation , Wolfram Language
7
REPLIES
16K
VIEWS

How do I make this summation numerical?

QUESTION FROM: Luke Foley | 13 years ago BY: Bill Simpson
Mathematica , Numerical Computation , Wolfram Language
7
REPLIES
6.7K
VIEWS

Geodesics equation - solving and plotting via Mathematica

QUESTION FROM: michal buday | 6 months ago BY: Marty Parts
Algebra , Calculus , Equation Solving , Geometry , ...
6
REPLIES
24.3K
VIEWS

Best optimization for maximum entropy?

QUESTION FROM: Gareth Russell | 7 months ago BY: Gareth Russell
Optimization , Mathematics , Numerical Computation , ...
6
REPLIES
1.4K
VIEWS

Using NIntegrate with nested integrals

QUESTION FROM: Max Shpak | 9 months ago BY: Max Shpak
Calculus , Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
1.7K
VIEWS

Collatz conjecture visualizations

CONTRIBUTED BY: Anton Antonov | 10 months ago BY: Paul Abbott
Staff Picks , Algebra , Dynamic Interactivity , ...
6
REPLIES
3.5K
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

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

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

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

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

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

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

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

Checking the method used by NSolve

QUESTION FROM: Rua Sulaiman | 3 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
3.5K
VIEWS

NDSolve a system of differential equations with initial conditions?

QUESTION FROM: Jose Calderon | 3 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
18.7K
VIEWS

NSum returns wrong result for infinite sum

QUESTION FROM: Ralph Trenkler | 3 years ago BY: Marvin Ray Burns A.G.S. (cum laude)
Calculus , External Programs and Systems , Mathematics , ...
6
REPLIES
5.3K
VIEWS

Finding all solutions of the system of equations

QUESTION FROM: Sinval Santos | 4 years ago BY: Sinval Santos
Algebra , Equation Solving , Graphics and Visualization , ...
6
REPLIES
3.6K
VIEWS

Solving mean field nonlinear equations uisng Findroot

QUESTION FROM: Tiku Sharma | 4 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
3K
VIEWS

PID (Proportional–integral–derivative) controller of a heater in a house

CONTRIBUTED BY: Sangdon Lee | 4 years ago BY: Sangdon Lee
Staff Picks , Control Systems , Engineering , Equation Solving , ...
6
REPLIES
8.1K
VIEWS

[Solved] Storing solutions of systems of equations in a loop

QUESTION FROM: Olimpia Cutinelli Rendina | 4 years ago BY: Updating Name
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
3.8K
VIEWS

Symbolic integration has Problems

QUESTION FROM: Frank Kampas | 4 years ago BY: Frank Kampas
Calculus , Numerical Computation , Symbolic Computations , ...
6
REPLIES
6K
VIEWS

NDSolve error: step size is effectively zero

QUESTION FROM: Lance Randall Gamier | 5 years ago BY: Lance Randall Gamier
Algebra , Equation Solving , Graphics and Visualization , ...
6
REPLIES
8.5K
VIEWS

Performance degradation from 11.3,12.1.1,12.2.0 => 12.3.1 on Raspberry Pi

QUESTION FROM: Tigran Aivazian | 5 years ago BY: Tigran Aivazian
Computer Science , Mathematica , Numerical Computation , ...
6
REPLIES
11.5K
VIEWS

Problem using Piecewise with NDSolve

QUESTION FROM: David Barrows | 5 years ago BY: David Barrows
Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
10.1K
VIEWS

$\int_0^\infty e^{i \pi x} \left(1-(x+1)^{\frac{1}{x+1}}\right) dx$

CONTRIBUTED BY: Marvin Ray Burns A.G.S. (cum laude) | 5 years ago BY: Marvin Ray Burns A.G.S. (cum laude)
Algebra , Calculus , Mathematics , Numerical Computation , ...
6
REPLIES
230K
VIEWS

Solving system of implicit functions: solution satisfies one equation

QUESTION FROM: Guangye Cao | 5 years ago BY: Rohit Namjoshi
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
4.2K
VIEWS

Numerically solving non-linear algebraic equations

QUESTION FROM: Vedat Erturk | 5 years ago BY: Vedat Erturk
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
6.5K
VIEWS
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