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NdSolve::ndnum error and Polar Coordinates plot

QUESTION FROM: Danila Zharenkov | 13 years ago BY: Danila Zharenkov
Calculus , Equation Solving , Mathematica , Mathematics
6
REPLIES
6.4K
VIEWS

How to Integrate logx

QUESTION FROM: Luther Nayhm | 13 years ago BY: Ilian Gachevski
Mathematics , Wolfram Language
6
REPLIES
8.4K
VIEWS

Solving for Variable in Mathematica

QUESTION FROM: Tash Woods | 13 years ago BY: Paul Cleary
Mathematica , Mathematics
6
REPLIES
13K
VIEWS

Debugging issue in a function

QUESTION FROM: Rajib Alam | 13 years ago BY: Youngjoo Chung
Computer Science , Dynamic Interactivity , Engineering , ...
6
REPLIES
8.6K
VIEWS

How do I extract the variables from a polynomial?

QUESTION FROM: feng wei | 13 years ago BY: feng wei
Mathematics
6
REPLIES
7.7K
VIEWS

Numerical solution for non linear Klein Gordon equation in 3+1 dimensions

QUESTION FROM: Arnab Kar | 13 years ago BY: Arnab Kar
Mathematica , Mathematics , Numerical Computation , Physics , ...
6
REPLIES
12.8K
VIEWS

Struggling to convert imported formula to function

QUESTION FROM: Patrick McMullen | 8 days ago BY: Patrick McMullen
Calculus , Import and Export , Mathematics , Wolfram Language
5
REPLIES
136
VIEWS

Is this system of equations unsolvable?

QUESTION FROM: Wang Jiapeng | 8 days ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
133
VIEWS

Is the Goldbach conjecture built into Wolfram?

QUESTION FROM: Frank Kampas | 5 months ago BY: Frank Kampas
Mathematics , Wolfram Language
5
REPLIES
1.1K
VIEWS

How to express this derivative using only sine, cosine, and tangent?

QUESTION FROM: Wen Dao | 5 months ago BY: Michael Rogers
Mathematics , Wolfram Language
5
REPLIES
1K
VIEWS

Explain SetPrecision and N

QUESTION FROM: Ulrich Utiger | 6 months ago BY: Ulrich Utiger
Graphics and Visualization , High-Performance Computing , ...
5
REPLIES
1.2K
VIEWS

How to complete the square for a specific part of an expression?

QUESTION FROM: Wen Dao | 8 months ago BY: Gianluca Gorni
Mathematics , Wolfram Language
5
REPLIES
1.2K
VIEWS

Unexpected use of k$ notation in output of Reduce?

QUESTION FROM: Lucas Tubacki | 9 months ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
2.7K
VIEWS

Elliptic integrals: built-in vs. explicit integration

QUESTION FROM: Davide Gardini | 10 months ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram Language
5
REPLIES
1.3K
VIEWS

Program which finds prime numbers via using an approximation formula

QUESTION FROM: Alexander Povolotsky | 10 months ago BY: Updating Name
Mathematics , Wolfram Language
5
REPLIES
1.8K
VIEWS

Where is documentation on option FourierParameters

QUESTION FROM: Jay Gourley | 10 months ago BY: Roger Backhus
Mathematics , Physics , Signal Processing , Wolfram Language
5
REPLIES
9.2K
VIEWS

Display 16 digits after the decimal place?

QUESTION FROM: Jean-Michel Charles Collard-Richard | 0 months ago BY: Jean-Michel Charles Collard-Richard
Mathematics , Wolfram Language
5
REPLIES
2.2K
VIEWS

Variable as an argument to Part

QUESTION FROM: Sasha Mandra | 0 months ago BY: Gianluca Gorni
Mathematics , Symbolic Computations , Wolfram Language
5
REPLIES
1.7K
VIEWS

Can I embed an inner loop (rather long) in a function that I can then optimize numerically?

QUESTION FROM: Paco Martín | 1 year ago BY: Eric Rimbey
Optimization , Mathematics , Numerical Computation , ...
5
REPLIES
1.9K
VIEWS

Question About Counting Spots on a Leaf in Mathematica

QUESTION FROM: Flora Vosoughi | 1 year ago BY: Henrik Schachner
Computer Science , Data Science , Image Processing , ...
5
REPLIES
2.5K
VIEWS

Calculating multivariable calculus surface integrals using Mathematica

QUESTION FROM: Mitchell Sandlin | 1 year ago BY: Mitchell Sandlin
Calculus , Graphics and Visualization , Mathematics , ...
5
REPLIES
3.5K
VIEWS

Unexpected output from matrix inversion

QUESTION FROM: Leo Murphy | 1 year ago BY: Michael Rogers
Algebra , Mathematics , Wolfram Language
5
REPLIES
2.6K
VIEWS

What is the precedence of logical operators in Wolfram Language

QUESTION FROM: Thomas Barson | 1 year ago BY: Thomas Barson
Logic and Boolean Algebra , Mathematics , Wolfram Language
5
REPLIES
3.1K
VIEWS

Solve, Reduce, and other black arts

QUESTION FROM: Evan Cooch | 1 year ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
2.3K
VIEWS

Plot of piecewise function comes out empty

QUESTION FROM: Aliaksandr A. Zheshka | 1 year ago BY: Shenghui Yang
Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
1.9K
VIEWS

Method of obtaining the potential equation from the gradient

QUESTION FROM: Mitchell Sandlin | 1 year ago BY: Mitchell Sandlin
Mathematics
5
REPLIES
2.5K
VIEWS

how to get coefficient list from a polynomial with positive and negative powers?

QUESTION FROM: Sami Heidari | 1 year ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
2.4K
VIEWS

Help with inverse functions

QUESTION FROM: Michele Galasso | 2 years ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
5
REPLIES
1.7K
VIEWS

How to calculate the result only i.e. the number

QUESTION FROM: John Deere | 2 years ago BY: Valeriu Ungureanu
Mathematics , Wolfram Language
5
REPLIES
2.8K
VIEWS

Analytical integration gives no output

QUESTION FROM: Jabir Hakami | 2 years ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram Language
5
REPLIES
2.9K
VIEWS

Using Solve but cannot get an answer

QUESTION FROM: George Ip | 2 years ago BY: George Ip
Calculus , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
1.8K
VIEWS

Help with definite integral solved analytically

QUESTION FROM: Anuj Malik | 2 years ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Symbolic Computations , Wolfram Language
5
REPLIES
3.2K
VIEWS

How to calculate the gradient of the arg of a complex exponential?

QUESTION FROM: Brian McNeil | 2 years ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
5
REPLIES
2.6K
VIEWS

Solving differential equation depending on radial and time parameter

QUESTION FROM: Leo Murphy | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
2.5K
VIEWS

Step by step solutions don't work in Pro?

QUESTION FROM: Michael Duguay | 2 years ago BY: Seth Moody
Mathematics , Wolfram|Alpha
5
REPLIES
10.7K
VIEWS

Ability to see direction of Parametric Curves when plotted?

QUESTION FROM: Alex Flores | 2 years ago BY: Gianluca Gorni
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
9.5K
VIEWS

Double Pareto lognormal distribution

QUESTION FROM: Robert Rimmer | 2 years ago BY: Robert Rimmer
Graphics and Visualization , Mathematics , Packages , ...
5
REPLIES
2.9K
VIEWS

Problem with Around (simplification of sums of Around)

QUESTION FROM: Mario Veruete | 2 years ago BY: Gianluca Gorni
Mathematics , Wolfram Language
5
REPLIES
2.7K
VIEWS

Joule Thomson expansion of black hole

QUESTION FROM: Debojyoti Mondal | 2 years ago BY: Ronald Riegert
Equation Solving , Graphics and Visualization , Mathematics , ...
5
REPLIES
3.3K
VIEWS

How to customize complex solution regions for NDSolve like the example in Mathematica？

QUESTION FROM: HAO XU | 2 years ago BY: HAO XU
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
2.1K
VIEWS

How can I add a plot label inside the plot?

QUESTION FROM: J Prakash | 2 years ago BY: Michael Rogers
Calculus , Equation Solving , Graphics and Visualization , ...
5
REPLIES
2K
VIEWS

How to assign a variable to a particular type of number series?

QUESTION FROM: Jacob Hutchins | 2 years ago BY: Alam Khan
Discrete Mathematics , Mathematics , Wolfram Language
5
REPLIES
8.6K
VIEWS

Plot audio data from a dual (stereo) channel file?

QUESTION FROM: Motilal khoirom | 2 years ago BY: Adam Cherad
Audio, Sound and Music , Graphics and Visualization , Mathematics , ...
5
REPLIES
9.6K
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

Creating Table of random integers?

QUESTION FROM: Jonathan Wooldridge | 2 years ago BY: Jonathan Wooldridge
Mathematics , Wolfram Language
5
REPLIES
4.5K
VIEWS

What is your experience of reporting a bug in Mathematica?

QUESTION FROM: Peter Kwok | 2 years ago BY: Peter Kwok
Mathematica , Mathematics , Wolfram Language
5
REPLIES
4.4K
VIEWS

Unexpected parameter value from FindDistribution

QUESTION FROM: Rishi Kumar | 2 years ago BY: Jim Baldwin
Mathematics , Statistics and Probability , Wolfram Language
5
REPLIES
3K
VIEWS

Unexpected parameter value from FindDistribution

QUESTION FROM: Rishi Kumar | 2 years ago BY: Jim Baldwin
Mathematics , Statistics and Probability , Wolfram Language
5
REPLIES
3K
VIEWS

NDSolve error inside Plot: $RecursionLimit :Recursion depth of 1024 exceeded

QUESTION FROM: jony will | 2 years ago BY: jony will
Calculus , Graphics and Visualization , Mathematics , ...
5
REPLIES
3.3K
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
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