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

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Finite Elements: how to impose periodic boundary conditions

QUESTION FROM: Mauricio Lobos | 12 years ago BY: Marco Thiel
Mechanical Engineering , Numerical Computation
4
REPLIES
10K
VIEWS

Numerical Error with Matrix operations

QUESTION FROM: Gordon | 12 years ago BY: Gordon
Algebra , Numerical Computation , Wolfram Language
8
REPLIES
8.9K
VIEWS

significant digits

QUESTION FROM: Bill Morgan | 12 years ago BY: Bill Simpson
Numerical Computation , Wolfram|Alpha
4
REPLIES
5.7K
VIEWS

Calculation of the confluent hypergeometric function HypergeometricU

QUESTION FROM: Max Knoetig | 12 years ago BY: Adam Domjan
Graphics and Visualization , Mathematica , Numerical Computation , ...
3
REPLIES
13.7K
VIEWS

My program keeps outputting the input! Help!

QUESTION FROM: kiet ngo | 12 years ago BY: Bill Simpson
Mathematica , Optimization , Mathematics , Numerical Computation , ...
10
REPLIES
10.1K
VIEWS

I want to perform simple math on very large numbers, how?

QUESTION FROM: Jeffrey Robinson | 12 years ago BY: Jeffrey Robinson
Numerical Computation , Wolfram|Alpha
6
REPLIES
15.5K
VIEWS

Taking Derivatives of Experimental Data

QUESTION FROM: A Johnson | 12 years ago BY: David Reiss
Calculus , Mathematica , Numerical Computation , Physics
5
REPLIES
6.7K
VIEWS

Problem using WhenEvent to constrain solution

QUESTION FROM: Julian Lovlie | 13 years ago BY: Nicolas Venuti
Engineering , Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
25.4K
VIEWS

How to numerically compute an implicit equation?

QUESTION FROM: joaquin mendez | 13 years ago BY: joaquin mendez
Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
14.2K
VIEWS

Problem with Piecewise Initial Conditions in NDSolve

QUESTION FROM: Danila Zharenkov | 13 years ago BY: Danila Zharenkov
Calculus , Equation Solving , Mathematica , Mathematics , ...
8
REPLIES
13.2K
VIEWS

Is there a way to store the InterpolatingFunction object in a file?

QUESTION FROM: Shenghui Yang | 13 years ago BY: Shenghui Yang
Mathematica , Numerical Computation
4
REPLIES
5.8K
VIEWS

A Diophantine Benchmark

QUESTION FROM: Jaime Rangel-Mondragon | 13 years ago BY: Vitaliy Kaurov
Computer-Based Maths , Computer Science , Discrete Mathematics , ...
3
REPLIES
9.7K
VIEWS

Is the a precision loss due to export/import of numerical values?

QUESTION FROM: Leslaw Bieniasz | 3 months ago BY: Michael Rogers
Algebra , Calculus , Equation Solving , Numerical Computation
4
REPLIES
481
VIEWS

Why does my Mathematica program use 100% CPU but very little RAM and still not finish after hours?

QUESTION FROM: Reza rho | 6 months ago BY: Reza rho
Calculus , Graphics and Visualization , Mathematics , ...
4
REPLIES
1.1K
VIEWS

How to numerically solve a master equation for a time-dependent 3-qubit density matrix in Mathematic

QUESTION FROM: Reza rho | 9 months ago BY: David Trimas
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
1.8K
VIEWS

Debugging fitting data and empty plot

QUESTION FROM: Sahrawi Chaib | 11 months ago BY: Michael Rogers
Data Science , Graphics and Visualization , Optimization , ...
4
REPLIES
1.4K
VIEWS

Generating natural structures with Wolfram

QUESTION FROM: Denis Ivanov | 11 months ago BY: Denis Ivanov
Biological Sciences , Equation Solving , Mathematics , Modeling , ...
2
REPLIES
2K
VIEWS

Plot a numerical integration as a function of variable

QUESTION FROM: Fatemeh Aliyan | 2 years ago BY: Gianluca Gorni
Calculus , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.4K
VIEWS

NSolve won't execute

QUESTION FROM: Leon Fairbanks | 2 years ago BY: Leon Fairbanks
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
2.4K
VIEWS

Resolving NIntegrate and NSum non-numeric evaluation errors in oscillatory integrands

QUESTION FROM: Reza rho | 2 years ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
2.2K
VIEWS

What does TrapezoidalRule at NIntegrate really do?

QUESTION FROM: Joachim Janezic | 2 years ago BY: Joachim Janezic
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
2.3K
VIEWS

Extracting values from NDSolve

QUESTION FROM: Mishal Mohanlal | 2 years ago BY: Sangdon Lee
Algebra , Equation Solving , External Programs and Systems , ...
3
REPLIES
3.3K
VIEWS

EM wave through free space propagation

QUESTION FROM: Ruslan Lagashkin | 2 years ago BY: Paul Abbott
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.9K
VIEWS

Why does nested Integration works for a single function but not for a list of functions ?

QUESTION FROM: Aka Kopejkin | 2 years ago BY: Aka Kopejkin
Calculus , Mathematics , Numerical Computation , Wolfram Language
5
REPLIES
3.1K
VIEWS

Suggestion: function for Whittaker's root series formula

QUESTION FROM: Raul Prisacariu | 2 years ago BY: Daniel Lichtblau
Mathematics , Numerical Computation , Wolfram|Alpha , Wolfram Language
1
REPLIES
3.5K
VIEWS

Finding critical points with NMaximize[] and Solve[] yielding different results query

QUESTION FROM: Byron Alexander | 2 years ago BY: Byron Alexander
Equation Solving , Graphics and Visualization , Optimization , ...
2
REPLIES
3.4K
VIEWS

Help using NDSolve for an orbital dynamics problem

QUESTION FROM: Jameel Cathcart | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
2.3K
VIEWS

What would be the right approach to numerically solve improper integral with Bessel function ?

QUESTION FROM: Ishan Nande | 2 years ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
2.4K
VIEWS

Automatic differentiation?

QUESTION FROM: Asim Ansari | 2 years ago BY: William Wright
Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
7K
VIEWS

Delay Differential Equations with variable delay

QUESTION FROM: Richard Jensen | 2 years ago BY: Richard Jensen
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.3K
VIEWS

Trapezoidal method for NDSolve?

QUESTION FROM: James James | 3 years ago BY: Updating Name
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
3.3K
VIEWS

NDSolve doesn't produce a smooth curve

QUESTION FROM: Xiangyang Zhou | 3 years ago BY: Bill Nelson
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.7K
VIEWS

FindRoot error: function value is not a list of numbers

QUESTION FROM: Alan White | 3 years ago BY: Alan White
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
14
REPLIES
6.1K
VIEWS

Code run in 5 minutes with V12 but runs forever with V13.3

QUESTION FROM: Rafael Nepomechie | 3 years ago BY: Rafael Nepomechie
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
2.9K
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

NDSolve with DiracDelta gives unexpected answer

QUESTION FROM: Eric Michielssen | 3 years ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4K
VIEWS

No result with no error from NDSolve

QUESTION FROM: kumarpardeep.math | 3 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.8K
VIEWS

Numerical solution by NDSolve has discontinuity

QUESTION FROM: A Afi | 3 years ago BY: Michael Rogers
Equation Solving , Graphics and Visualization , Mathematics , ...
2
REPLIES
3.2K
VIEWS

Error solving 5 diff. equations with NDSolve

QUESTION FROM: David Hwang | 3 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.9K
VIEWS

Empty Plot of NDSolve output

QUESTION FROM: Emil Rosanowski | 3 years ago BY: Henrik Schachner
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.7K
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

Two-level Rabi Problem-numerical solution

QUESTION FROM: Wenxuan Xie | 3 years ago BY: Wenxuan Xie
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
3K
VIEWS

NIntegrate error: Integral and error estimates are 0 on all subregions

QUESTION FROM: sergey.mikhailov | 4 years ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation , Wolfram Language
5
REPLIES
5K
VIEWS

Compare the symbolic solution with numerical solution

QUESTION FROM: A Afi | 4 years ago BY: Gianluca Gorni
Equation Solving , Graphics and Visualization , Mathematics , ...
8
REPLIES
4K
VIEWS

Solving coupled differential equation with Neumann boundary conditions?

QUESTION FROM: Shruti Monga | 4 years ago BY: Neil Singer
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
7.1K
VIEWS

NSolve gives an empty set as a solution

QUESTION FROM: S Sarkar | 4 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
3.5K
VIEWS

Error in numerically solving a system of equations

QUESTION FROM: Avery Ansbro | 4 years ago BY: Rohit Namjoshi
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
3.6K
VIEWS

How to find all roots of an equation?

QUESTION FROM: Jacques Ou | 4 years ago BY: Updating Name
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
6.3K
VIEWS

Empty plot from ListDensityPlot3D of ParametricNDSolve solutions?

QUESTION FROM: Danish Hamza | 4 years ago BY: Danish Hamza
Calculus , Equation Solving , Graphics and Visualization , ...
10
REPLIES
4.1K
VIEWS

A problem of FindRoot with BSplineFunction

QUESTION FROM: Jianhua Yang | 4 years ago BY: Alexey Popkov
Equation Solving , Mathematics , Numerical Computation , ...
9
REPLIES
7.3K
VIEWS
3
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