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

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Use NSolve for a variable in degrees?

QUESTION FROM: Robin Ruatta | 5 years ago BY: Sarah Smith
Equation Solving , Mathematics , Numerical Computation , Units , ...
6
REPLIES
7.4K
VIEWS

Passing BezierFunction to ArcLength?

QUESTION FROM: Nicholas Kitten | 5 years ago BY: Updating Name
Calculus , Mathematics , Numerical Computation , Wolfram Language
7
REPLIES
5K
VIEWS

Find a function with a known gradient?

QUESTION FROM: Meryem Aslı | 5 years ago BY: Meryem Aslı
Algebra , Calculus , Equation Solving , Geometry , Mathematics , ...
6
REPLIES
7K
VIEWS

Get EvaluationMonitor output iterations taken to find root of equation

QUESTION FROM: Jules Manson | 5 years ago BY: Rohit Namjoshi
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
5.5K
VIEWS

Fitting different data sets with different models using FindFit

QUESTION FROM: Lorenzo Fuggiano | 5 years ago BY: Updating Name
Mathematics , Modeling , Numerical Computation , Signal Processing , ...
10
REPLIES
8.9K
VIEWS

Solve two differential equations with NDSolve and DSolve?

QUESTION FROM: Mauricio Cruz | 5 years ago BY: Mauricio Cruz
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.8K
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

[?] Avoid issue with message that "symbol does not have immediate value"?

QUESTION FROM: Fred Kuttner | 5 years ago BY: Fred Kuttner
Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
6.2K
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
6.5K
VIEWS

[?] Fit noisy data as a Least squares problem?

QUESTION FROM: Lorenzo Fuggiano | 5 years ago BY: Martijn Froeling
Optimization , Modeling , Numerical Computation , Signal Processing , ...
4
REPLIES
8.1K
VIEWS

Replace the "arrows" (rules) for equal signs "="?

QUESTION FROM: jasvesta | 5 years ago BY: jasvesta
Mathematics , Numerical Computation , Wolfram Language
8
REPLIES
6K
VIEWS

Avoid error with dependent variable while solving a PDE with NDSolve?

QUESTION FROM: Abed Alnaif | 5 years ago BY: Anonymous User
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
4.7K
VIEWS

Numerically solve the following set of PDEs (Structural singularity)?

QUESTION FROM: Abed Alnaif | 5 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
5K
VIEWS

Use piecewise parameters in NDSolve

QUESTION FROM: Abed Alnaif | 5 years ago BY: Abed Alnaif
Engineering , Equation Solving , Mathematics , Modeling , ...
3
REPLIES
5.6K
VIEWS

Calculate scalar H number divided by N vector?

QUESTION FROM: Meryem Aslı | 5 years ago BY: Hans Dolhaine
Algebra , Calculus , Equation Solving , Mathematics , ...
17
REPLIES
9.6K
VIEWS

Obtain numerical values with NestList on a custom function f?

QUESTION FROM: Dag Now | 5 years ago BY: Dag Now
Mathematics , Numerical Computation , Wolfram Language
7
REPLIES
5.2K
VIEWS

Compiled function uses too much memory

QUESTION FROM: Ulrich Utiger | 1 year ago BY: Victor Kryukov
Compilation , Discrete Mathematics , High-Performance Computing , ...
12
REPLIES
12.1K
VIEWS

Use Round in NIntegrate?

QUESTION FROM: Jiatianfu Qu | 6 years ago BY: Jiatianfu Qu
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
4.6K
VIEWS

Graph issues, best fit calibration, numerical solution, convergence

QUESTION FROM: Alessandro M. | 6 years ago
Data Science , Graphics and Visualization , Mathematics , ...
0
REPLIES
2.8K
VIEWS

Solve 1D heat equation with a non-initial/boundary condition?

QUESTION FROM: C H | 5 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Numerical Computation , Physics , ...
3
REPLIES
5.4K
VIEWS

Animate Koch snowflake include transition effect

CONTRIBUTED BY: Hongyang Cao | 6 years ago
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
0
REPLIES
3.8K
VIEWS

How to speed up NDSolve when there are ~400k equations?

QUESTION FROM: Lammond Wan | 6 years ago BY: Lammond Wan
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
6.2K
VIEWS

Mandelbrot Set on Neural Network

CONTRIBUTED BY: Silvia Hao | 6 years ago BY: Silvia Hao
Staff Picks , Artificial Intelligence , Data Science , Geometry , ...
9
REPLIES
24.2K
VIEWS

Why for some parameters the output of the numerical integration seem wrong?

QUESTION FROM: Henan Fang | 6 years ago
Mathematics , Numerical Computation , Wolfram Language
0
REPLIES
2.6K
VIEWS

Perform a numerical integration using trapezoid method?

QUESTION FROM: Nio Totté | 6 years ago BY: Nio Totté
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
4.4K
VIEWS

Perform a numerical integration in at table with NIntegrate?

QUESTION FROM: Mike Luntz | 6 years ago BY: Henrik Schachner
Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
7.7K
VIEWS

Problem with numerical solution of a system of PDEs

QUESTION FROM: Daniil Eskoskin | 6 years ago
Equation Solving , Mathematics , Modeling , Numerical Computation , ...
0
REPLIES
3.1K
VIEWS

Issues on the following numerical integration?

QUESTION FROM: Mike Luntz | 6 years ago BY: Mike Luntz
Mathematics , Numerical Computation , Packages , Wolfram Language
4
REPLIES
8.6K
VIEWS

Plot the first terms of Taylor series of the below function?

QUESTION FROM: Rafik zeraoulia | 6 years ago BY: Claudio Chaib
Calculus , Graphics and Visualization , Mathematics , ...
2
REPLIES
6.7K
VIEWS

[?] Calculate this surface integral?

QUESTION FROM: Mike Luntz | 6 years ago BY: Mike Luntz
Calculus , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
9K
VIEWS

Interpolation of function of two variables over very large range

QUESTION FROM: Fabrizio Rompineve | 6 years ago BY: Hans Dolhaine
Data Science , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
6.3K
VIEWS

[?] Set an endpoint to NDSolve?

QUESTION FROM: Ammar Kasem | 6 years ago BY: Ammar Kasem
Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
5.1K
VIEWS

Solve PDE with boundary and initial conditions?

QUESTION FROM: C H | 6 years ago BY: Neil Singer
Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
3.8K
VIEWS

Solving Boundary Value ODEs With Quasi-Linearization

QUESTION FROM: Frank Kampas | 6 years ago BY: Frank Kampas
Equation Solving , Graphics and Visualization , Mathematics , ...
5
REPLIES
5.6K
VIEWS

Solve this quartic equation?

QUESTION FROM: Alejandro Cahuana | 6 years ago BY: David Reiss
Algebra , Mathematics , Numerical Computation , ...
1
REPLIES
5.9K
VIEWS

Solve a system of 5 linear & non-linear equations

QUESTION FROM: Christos Papahristodoulou | 6 years ago BY: Christos Papahristodoulou
Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
6.8K
VIEWS

[?] Use implicit region definition?

QUESTION FROM: Mike Luntz | 6 years ago BY: Mike Luntz
Geometry , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
8.5K
VIEWS

Use Nminimize within RegionPlot in Mathematica 11.1?

QUESTION FROM: Thomas Troeger | 6 years ago BY: Thomas Troeger
Geometry , Graphics and Visualization , Mathematica , Optimization , ...
2
REPLIES
5.2K
VIEWS

Nested For loop to plot multiple plots on a single graph

QUESTION FROM: Abiy Zeleke | 5 years ago BY: Abiy Zeleke
Equation Solving , Graphics and Visualization , Mathematics , ...
27
REPLIES
9.9K
VIEWS

Solve a hypergeometric ODE NDSolve?

QUESTION FROM: Brad Klee | 6 years ago BY: Brad Klee
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
5.4K
VIEWS

Solve 1D compressible Euler equations with piston and cylinder?

QUESTION FROM: Lucas Beveridge | 6 years ago
Engineering , Equation Solving , Mathematics , Modeling , ...
0
REPLIES
2.9K
VIEWS

Solve the double integral with singularity using NIntegrate and speed up

QUESTION FROM: Isa Comez | 6 years ago
Calculus , Engineering , Mathematics , Numerical Computation , ...
0
REPLIES
3.4K
VIEWS

Got MeasureDump when integrate over region with decimal parameters?

QUESTION FROM: H. Zhou | 6 years ago
Calculus , Mathematics , Numerical Computation , Wolfram Language
0
REPLIES
2.8K
VIEWS

Hard Crash in Windows 10 when calculating eigenvalues of matrix

QUESTION FROM: Sam M | 6 years ago BY: Sam M
Engineering , Mathematica , Mathematics , Numerical Computation
6
REPLIES
14.2K
VIEWS

Numerical Laplace Inversion of Complicated Functions

QUESTION FROM: Shoubhanik Nath | 6 years ago BY: Shoubhanik Nath
Mathematica , Numerical Computation
2
REPLIES
3.2K
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
6.3K
VIEWS

Use NDSolve with finite element method for a transient conduction problem?

QUESTION FROM: Kesihain Selvarajoo | 6 years ago BY: Alexander Trounev
Mathematics , Numerical Computation , Physics , Wolfram Language
1
REPLIES
8.2K
VIEWS

Find the probability of a Joint distribution function given by an integral?

QUESTION FROM: Ashfiq Rahman | 6 years ago BY: Ashfiq Rahman
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.9K
VIEWS

Apply conditions on a model in FindFit?

QUESTION FROM: Cameron F | 6 years ago BY: Cameron F
Optimization , Mathematics , Modeling , Numerical Computation , ...
2
REPLIES
5.7K
VIEWS

Replace Indeterminate expression ArcTan[0,0] with a value "a"?

QUESTION FROM: Navneeth Gummal | 6 years ago BY: Gianluca Gorni
Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
4.7K
VIEWS

Evaluate a periodic simple continued fraction with Wolfram|Alpha?

QUESTION FROM: Martin Epstein | 6 years ago
Mathematics , Numerical Computation , Symbolic Computations , ...
0
REPLIES
2.4K
VIEWS

Issues with ContourPlot and Sinc functions?

QUESTION FROM: Jaime de la Mota | 6 years ago BY: Jaime de la Mota
Graphics and Visualization , Mathematics , Numerical Computation , ...
2
REPLIES
4.3K
VIEWS

Make NMinimize use a variant of Differential Evolution for Optimization?

QUESTION FROM: Gaurav Saxena | 6 years ago BY: Gaurav Saxena
Computer Science , Engineering , Optimization , Mathematics , ...
5
REPLIES
8.2K
VIEWS

Noisy numerical finite difference calculated by NDSolve`FiniteDifferenceDer

QUESTION FROM: Rui Ma | 6 years ago BY: Rui Ma
Numerical Computation
2
REPLIES
3.2K
VIEWS

[?] Avoid problem with Interpolation function for higher order derivatives?

QUESTION FROM: Rui Ma | 6 years ago BY: Daniel Lichtblau
Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
5K
VIEWS

NDSolve and equation with a NeumannValue?

QUESTION FROM: Sinval Santos | 6 years ago BY: Sinval Santos
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
8K
VIEWS

Get solution of a PDE with NDSolve?

QUESTION FROM: Sinval Santos | 6 years ago BY: Sinval Santos
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
6.2K
VIEWS

[TMJ] Peak Response of Single-Degree-of-Freedom Systems to Swept-Frequency

QUESTION FROM: EDITORIAL BOARD | 6 years ago
Authoring and Publishing , Calculus , Equation Solving , ...
0
REPLIES
2.8K
VIEWS

Why N is not affecting the rest of Power, but not NHoldRest is set?

QUESTION FROM: Martin Guttmann | 6 years ago BY: Sander Huisman
Algebra , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
7.5K
VIEWS

Solve the following equation and get one value of the result?

QUESTION FROM: Maha haroon | 6 years ago BY: Maha haroon
Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
7.3K
VIEWS

Calculate the outer product of the third layer's of two lists?

QUESTION FROM: Shaohui Yin | 6 years ago BY: Shaohui Yin
Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
5K
VIEWS

[?] Force Manipulate[] outputs to be reals instead of complex numbers?

QUESTION FROM: Dave Markham | 6 years ago BY: Dave Markham
Calculus , Dynamic Interactivity , Mathematics , ...
3
REPLIES
8.2K
VIEWS

A problem about the FindMinimum and the NMinimize?

QUESTION FROM: Nick Wang | 6 years ago BY: Daniel Lichtblau
Optimization , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
5.6K
VIEWS

Execute for loop for importing and solving equations?

QUESTION FROM: Karthik Subramaniam | 6 years ago BY: Karthik Subramaniam
Calculus , Equation Solving , Import and Export , Mathematics , ...
12
REPLIES
5K
VIEWS

Integration over polyhedral region

QUESTION FROM: Sam M | 6 years ago BY: Mariusz Iwaniuk
Calculus , Geometry , Mathematics , Numerical Computation , ...
3
REPLIES
6K
VIEWS

Avoid NDSolve problem with system of differential equations?

QUESTION FROM: Roberta Jakab | 6 years ago BY: Roberta Jakab
Equation Solving , Mathematics , Numerical Computation , ...
8
REPLIES
10.6K
VIEWS

[WSC19] Pattern Periodicity in Diagonals of the Rule 45 Cellular Automaton

CONTRIBUTED BY: Aniruddh Sriram | 6 years ago BY: Aniruddh Sriram
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
2
REPLIES
20.1K
VIEWS

[WSC19] Patterns in N-Body Simulations: Analysis of the Three Body Problem

CONTRIBUTED BY: Pedro Cabral | 6 years ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Data Science , Mathematics , Modeling , ...
2
REPLIES
20.1K
VIEWS

[WSS19] Systematic Randomness Testing

CONTRIBUTED BY: Emmy Blumenthal | 6 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Graphics and Visualization , ...
4
REPLIES
14.9K
VIEWS

Problem with Inactive form of governing diffeq for nonlinear finite element

QUESTION FROM: Zachary Grasley | 6 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2.8K
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
6.6K
VIEWS

Create a table containing the numerical results of FindRoot?

QUESTION FROM: Imre Pazsit | 6 years ago BY: Imre Pazsit
Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
7.8K
VIEWS

[?] Express a number in its most compact sum of powers?

QUESTION FROM: Davi Nonnenmacher | 6 years ago BY: Neil Singer
Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
3.4K
VIEWS

Set initial conditions of Laplace equations?

QUESTION FROM: Lee Min Kyu | 6 years ago BY: Lee Min Kyu
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.2K
VIEWS

[?] Avoid error with NSum : it returns NSum::nsnum: Summand f[n]?

QUESTION FROM: M F | 6 years ago BY: Shenghui Yang
Mathematics , Numerical Computation , Wolfram Language
5
REPLIES
9.5K
VIEWS

A new form for the MRB constant

CONTRIBUTED BY: Marvin Ray Burns A.G.S. (cum laude) | 6 years ago BY: Marvin Ray Burns A.G.S. (cum laude)
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
6.1K
VIEWS

[?] Deal with "Encountered non-numeric value for a derivative at t == 0" ?

QUESTION FROM: L GonGa | 6 years ago BY: Marco Thiel
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
12.7K
VIEWS

Compute the spatiotemporal temperature distribution of a liquid droplet?

QUESTION FROM: Zuhaib Nissar | 6 years ago BY: Zuhaib Nissar
Algebra , Calculus , Engineering , Mathematics , Modeling , ...
2
REPLIES
7.1K
VIEWS

Avoid machine precision issues while using FindRoot?

QUESTION FROM: Muhammad Atif Masoud | 6 years ago BY: Daniel Lichtblau
Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
5.9K
VIEWS

Use a natural cubic spline to create a function that interpolates data?

QUESTION FROM: Tarpanelli Paolo | 6 years ago BY: Tarpanelli Paolo
Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
5.7K
VIEWS

Use NIntegrate In parallel?

QUESTION FROM: Zheng Li | 6 years ago BY: Zheng Li
Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
8.7K
VIEWS

Resolve "Boundary condition discretization failed" error in NDSolve?

QUESTION FROM: Zhen L | 6 years ago
Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2.6K
VIEWS

Solve an ODE using Runge-Kutta methods?

QUESTION FROM: Marcolino R-M | 6 years ago BY: Murray Eisenberg
Equation Solving , Mathematica , Mathematics , ...
5
REPLIES
7.9K
VIEWS

NDSolve a second order ODE with second derivative as boundary?

QUESTION FROM: Lorenzo Garlappi | 6 years ago BY: Lorenzo Garlappi
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.2K
VIEWS

Get the maximum for the following polynomial with conditions?

QUESTION FROM: xuxiang xu | 6 years ago BY: Daniel Lichtblau
Optimization , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
4.6K
VIEWS

Use RandomVariate with variable sigmas with values >= 0.2?

QUESTION FROM: Evan Pap | 6 years ago
Mathematics , Numerical Computation , Signal Processing , ...
0
REPLIES
3.4K
VIEWS

Create a two body problem animation?

QUESTION FROM: Torebek Zhumabek | 6 years ago BY: Neil Singer
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
5K
VIEWS

Plot solutions to a differential sys with initial conditions from loop?

QUESTION FROM: Michael Solomon | 6 years ago BY: Michael Solomon
Equation Solving , Graphics and Visualization , Mathematics , ...
3
REPLIES
3.8K
VIEWS

Join two opposite edges of a 2D rectangular mesh?

QUESTION FROM: Robert Curl | 6 years ago BY: Robert Curl
Calculus , Equation Solving , Geometry , Graphics and Visualization , ...
2
REPLIES
5.3K
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
6.6K
VIEWS

Fix issues with Machine Precision in NMaximize?

CONTRIBUTED BY: Christian Damgaard | 6 years ago BY: Pallavi Debnath
Mathematics , Numerical Computation , Wolfram Language
21
REPLIES
19.6K
VIEWS

Find the value of a parameter for fit experimental data with NMimimize?

QUESTION FROM: rafael ibanez | 6 years ago BY: Frank Kampas
Optimization , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
6.4K
VIEWS

Probability of normal variable and its standardized version different?

QUESTION FROM: Ruben Garcia Berasategui | 6 years ago BY: Ruben Garcia Berasategui
Mathematics , Numerical Computation , Statistics and Probability , ...
2
REPLIES
7K
VIEWS

Counting Trailing Zeros Of Factorials

CONTRIBUTED BY: Fabian Wenger | 6 years ago BY: Douglas Kubler
Staff Picks , Algebra , Computer-Based Maths , Mathematics , ...
13
REPLIES
26K
VIEWS

Proper syntax for function precision (MMA 12)?

QUESTION FROM: Mor Bo | 6 years ago
Equation Solving , Mathematica , Mathematics , ...
0
REPLIES
5K
VIEWS

Improving speed of Binomial and Multinomial Random Draws

CONTRIBUTED BY: Asim Ansari | 6 years ago
Compilation , Mathematics , Numerical Computation , ...
0
REPLIES
5.9K
VIEWS

Get Non-negative ODE solution?

QUESTION FROM: David G. Aragonés | 6 years ago BY: David G. Aragonés
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.4K
VIEWS

Specify meshes and boundaries in NDSolveValue?

QUESTION FROM: Robert Curl | 6 years ago BY: Robert Curl
Equation Solving , Mathematics , Numerical Computation , Physics , ...
2
REPLIES
5.3K
VIEWS

Solve a wave equation with boundary conditions using NDSolve?

QUESTION FROM: mathPhys User | 6 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
3K
VIEWS

Compute sums containing Clebsch Gordan coefficients?

QUESTION FROM: Robert Poenaru | 6 years ago BY: Sjoerd Smit
Mathematics , Numerical Computation , Physics , Wolfram Language
1
REPLIES
7.1K
VIEWS
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