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

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Sporadic convergence failure: “SingularValueDecomposition::cflsvd”

QUESTION FROM: John Sidles | 8 years ago BY: Kevin Slagle
Mathematics , Numerical Computation , Wolfram Language
5
REPLIES
6.8K
VIEWS

Solve decoupled PDE's with NDSolve?

QUESTION FROM: Eric Smith | 7 years ago BY: Eric Smith
Equation Solving , Mathematics , Numerical Computation , ...
7
REPLIES
6.8K
VIEWS

Spherical harmonics interpolation method that minimizes an energy function

CONTRIBUTED BY: Rauan Kaldybaev | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Equation Solving , ...
1
REPLIES
6.8K
VIEWS

Puzzling BitShiftRight behaviour on lists

QUESTION FROM: Berke Durak | 11 years ago BY: Ilian Gachevski
Logic and Boolean Algebra , Mathematica , Numerical Computation
1
REPLIES
6.8K
VIEWS

How to add step monitor to Nsolve?

QUESTION FROM: ashwin swarup | 12 years ago BY: ashwin swarup
Mathematica , Numerical Computation
10
REPLIES
6.8K
VIEWS

[FSWS23]Diagrammatic & computational study of Abrikosov vortex interactions

CONTRIBUTED BY: Gianni Tallarita | 1 year ago BY: Jarek Duda
Staff Picks , Data Science , Equation Solving , ...
5
REPLIES
6.7K
VIEWS

A graphical solution of two equations is possible. Numerically, too?

QUESTION FROM: Niels Nutzer | 12 years ago BY: Frank Kampas
Algebra , Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
6.7K
VIEWS

[WSS20] Product line optimization for a monopoly firm

CONTRIBUTED BY: Monir Jalili | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Dynamic Interactivity , Economics , Equation Solving , ...
1
REPLIES
6.7K
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

smoothing the numerical data

QUESTION FROM: nagao hideyuki | 11 years ago BY: nagao hideyuki
Mathematica , Numerical Computation , Signal Processing , ...
2
REPLIES
6.7K
VIEWS

Can Mathematica modify lightly the inital conditions of NDSolve??

QUESTION FROM: Arnau Jim | 10 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
4
REPLIES
6.7K
VIEWS

How do I solve a profile interval (statistics)

QUESTION FROM: Casper YC | 11 years ago BY: Casper YC
Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
6.7K
VIEWS

Unknown error in NDSolve and other issues

QUESTION FROM: Konstantin Nosov | 11 years ago BY: Konstantin Nosov
Equation Solving , Mathematica , Numerical Computation
3
REPLIES
6.7K
VIEWS

A problem of FindRoot with BSplineFunction

QUESTION FROM: Jianhua Yang | 3 years ago BY: Alexey Popkov
Equation Solving , Mathematics , Numerical Computation , ...
9
REPLIES
6.7K
VIEWS

Find all paths in a graph when removing one node of the graph at a time

QUESTION FROM: Besmir Tola | 5 years ago BY: Bill Nelson
Calculus , Computer Science , Data Science , Engineering , ...
4
REPLIES
6.7K
VIEWS

Plot a system of differential parametric equations with ParametricNDSolve?

QUESTION FROM: Michael Solomon | 6 years ago BY: Martijn Froeling
Calculus , Graphics and Visualization , Mathematics , ...
2
REPLIES
6.7K
VIEWS

NDSolve piecewise differential equations associated with a water hammer?

QUESTION FROM: srinivas.gk | 6 years ago BY: srinivas.gk
Calculus , Engineering , Equation Solving , Mathematics , ...
2
REPLIES
6.7K
VIEWS

Improve the accuracy of calculations of a quadratic cosine?

QUESTION FROM: Aleksey Belyanin | 8 years ago BY: Mariusz Iwaniuk
Graphics and Visualization , Mathematics , Numerical Computation , ...
9
REPLIES
6.7K
VIEWS

Contract a rank 2 tensor with a rank 1 tensor?

QUESTION FROM: Hollis Williams | 6 years ago BY: Clayton Shonkwiler
Mathematics , Numerical Computation , Physics , ...
2
REPLIES
6.7K
VIEWS

Help solving system of 3 differential equations?

QUESTION FROM: Diogo Carvalho | 4 years ago BY: xzczd 　
Calculus , Equation Solving , Numerical Computation , Wolfram Language
4
REPLIES
6.7K
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
6.7K
VIEWS

How do I control the step size of NDSolve at a differential equation?

QUESTION FROM: Dia Ghosh | 9 years ago BY: Dia Ghosh
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
6.6K
VIEWS

Frobenius and power series solutions to ODEs

CONTRIBUTED BY: Rauan Kaldybaev | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Equation Solving , Mathematics , ...
1
REPLIES
6.6K
VIEWS

Numerical integration over x as a function of parameter g

QUESTION FROM: Luke Schutzenhofer | 11 years ago BY: Daniel Lichtblau
Calculus , Mathematica , Numerical Computation , Wolfram Language
2
REPLIES
6.6K
VIEWS

Question of NDSolve limitation: are there any major ones?

QUESTION FROM: Anonymous User | 7 years ago BY: Anonymous User
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
6.6K
VIEWS

[?] Visualize very acute changes with Plot?

QUESTION FROM: Qiyue Lu | 5 years ago BY: Qiyue Lu
Graphics and Visualization , Mathematics , Numerical Computation , ...
2
REPLIES
6.6K
VIEWS

Numerical calcuations slow down unexpectedly

QUESTION FROM: H. H. | 9 years ago BY: H. H.
Mathematica , Optimization , Numerical Computation , Wolfram Language
4
REPLIES
6.6K
VIEWS

Root plotting function from Paul Wellin's book?

QUESTION FROM: Hadi Tokme | 9 years ago BY: Hadi Tokme
Graphics and Visualization , Mathematics , Numerical Computation , ...
5
REPLIES
6.6K
VIEWS

Incoherent optical MTF: analytical calculations

CONTRIBUTED BY: Mel Friedman | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Graphics and Visualization , ...
1
REPLIES
6.6K
VIEWS

Using Fourier function to determine discreet fourier transform of a signal

QUESTION FROM: Syed Muhammad Hilmi Syed Anera | 9 years ago BY: Daniel Lichtblau
Calculus , Discrete Mathematics , Mathematics , ...
1
REPLIES
6.6K
VIEWS

Can you parallelize a numerically solved Integral?

QUESTION FROM: sorabella91 | 4 years ago BY: Updating Name
Calculus , Equation Solving , High-Performance Computing , ...
3
REPLIES
6.6K
VIEWS

NIntegrate::slwcon warning for definite integration

QUESTION FROM: Haress Nazary | 6 years ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Numerical Computation , Wolfram Language
11
REPLIES
6.6K
VIEWS

Why Arg[z] is not always the same as Im[Log[z]]

QUESTION FROM: Mikko Tommila | 8 years ago BY: Sander Huisman
Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
6.6K
VIEWS

Use K-Leave Out Cross Validation method for fitting?

QUESTION FROM: Okkes Dulgerci | 8 years ago BY: Okkes Dulgerci
Optimization , Mathematics , Modeling , Numerical Computation , ...
1
REPLIES
6.6K
VIEWS

NDSolve laplacian equation on meshed boundary?

QUESTION FROM: Yahyaoui Hamza | 7 years ago BY: Tim Laska
Engineering , Equation Solving , Mathematics , Modeling , ...
1
REPLIES
6.6K
VIEWS

Computational Physics course: the Duffing equation (transition to chaos in a differential equation)

CONTRIBUTED BY: Peter Young | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Education , Equation Solving , ...
1
REPLIES
6.5K
VIEWS

Does NDSolve have an upper limit requirement of the number of equations?

QUESTION FROM: Lammond Wan | 7 years ago BY: Michael Rogers
Equation Solving , Mathematics , Numerical Computation , ...
9
REPLIES
6.5K
VIEWS

Using Meta programming + Compile to speed up Backtracking algorithm

CONTRIBUTED BY: Hongyang Cao | 7 months ago BY: Christopher French
Compilation , Computer Science , Logic and Boolean Algebra , ...
1
REPLIES
6.5K
VIEWS

Optimizing code that numerically evaluates line integrals on Mesh/Grid

QUESTION FROM: Tharindu W Fernando | 5 years ago BY: Tharindu W Fernando
Graphics and Visualization , High-Performance Computing , ...
4
REPLIES
6.5K
VIEWS

How to solve a highly nonlinear PDE

QUESTION FROM: Yiyang Zhang | 12 years ago BY: Sean Clarke
Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
6.5K
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
6.5K
VIEWS

Convert a piecewise integer function into usable form such as a List?

QUESTION FROM: Douglas Kubler | 5 years ago BY: Douglas Kubler
Discrete Mathematics , Mathematics , Numerical Computation , ...
4
REPLIES
6.5K
VIEWS

Solve $y'' -2*(x^4-e)y = 0$ 2nd order non-linear differential equation?

QUESTION FROM: Hengameh Bagherianlemraski | 8 years ago BY: Hengameh Bagherianlemraski
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
6.5K
VIEWS

Solving coupled differential equation with Neumann boundary conditions?

QUESTION FROM: Shruti Monga | 3 years ago BY: Neil Singer
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
6.5K
VIEWS

Tracking 50 events within single run of NDSolve to evolve Poincaré map

CONTRIBUTED BY: Vitaliy Kaurov | 11 years ago
Calculus , Mathematica , Numerical Computation , Wolfram Language , ...
0
REPLIES
6.5K
VIEWS

Avoid problem with boundary conditions in NDSolve[ ]?

QUESTION FROM: Jeiveison Maia | 9 years ago BY: Yehuda Ben-Shimol
Calculus , Equation Solving , Mathematics , Modeling , ...
1
REPLIES
6.5K
VIEWS

Automatic differentiation?

QUESTION FROM: Asim Ansari | 1 year ago BY: William Wright
Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
6.5K
VIEWS

How do I make this summation numerical?

QUESTION FROM: Luke Foley | 12 years ago BY: Bill Simpson
Mathematica , Numerical Computation , Wolfram Language
7
REPLIES
6.5K
VIEWS

[?] Minimize a very complicated expression?

QUESTION FROM: Robert Poenaru | 8 years ago BY: Sander Huisman
Optimization , Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
6.5K
VIEWS

Fibonnaci algorithm - explanation for syntax

QUESTION FROM: Tom Zinger | 9 years ago BY: Gianluca Gorni
Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
6.4K
VIEWS
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