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Questions tagged [error]

Questions seeking help understanding error messages and fixing errors.

156 questions with no upvoted or accepted answers
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7
votes
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160 views

SiegelTheta throws errors from calling Range with complex arguments

Bug introduced in 8.0 or earlier and persists through 11.0.1 or later This may or may not be related to the bug reported in this question. I was trying to verify the results of this challenge over ...
6
votes
0answers
100 views

Problem with my user name

I'm trying to use the new website ("Wolfram Function Repository") and i get the following error: ...
6
votes
0answers
386 views

Mathematica 11 introduced strange autocomplete bug

today i upgraded from MM 10.4.1 (which run without any problems) to MM 11. But for me, it introduced a strange autocomplete-bug. When i try to type in "Plot" i get a huge (>5seconds) lag when i come ...
6
votes
0answers
283 views

Mathematica 10.4 crashes when using too many font sizes

While working on How to make the digits of π go around in a spiral like this? I encountered a problem that Mathematica would crash at regular intervals with an internal self-test error, either ...
5
votes
0answers
129 views

NetTrain on a UNet with a NVidia Quadro P5200 GPU

I am trying to train a UNet on my laptop (Lenovo P72) and I obtain the following error when I use NetTrain on it: CompiledFunction::cfta: Argument {Mean[LibraryFunctionError[LIBRARY_FUNCTION_ERROR,...
5
votes
0answers
64 views

How to prevent the message: Not enough memory to display a cell

While running a single-cell GUI application that repeatedly changes and refreshes its content I got this message: There was not enough memory to display a cell... I found in this old MathGroup thread ...
5
votes
0answers
152 views

List(Log)Plot with “high” resolution results in various warnings, e.g. BinCounts::step

Here is some very odd behavior from ListLogPlot. So if I want to plot a function using LogPlot, I can specify the ...
5
votes
0answers
514 views

NDSolve PDE, not enough boundary condition?

The PDE that I want to solve is: $$ \frac{\partial f}{\partial t} + \frac{1}{m} \left( p_x \frac{\partial f}{\partial x} + p_y \frac{\partial f}{\partial y} + p_z \frac{\partial f}{\partial z} \right) ...
4
votes
0answers
63 views

Double summation giving unexpected result

The expression (in a notebook with Wolfram Mathematica 12.0.0) Sum[s[i, j] - s[j, i], {j, b}, {i, b}] Produces the result 1/2 b EulerPhi[b] Can anyone ...
4
votes
0answers
64 views

possible memory problem with WatershedComponents

This could be regarded as a follow-up question to a previous post of mine (link). When I use the WatershedComponents function on a large image (about 6000 x 10000 pixels) Mathematica comes up with an ...
4
votes
0answers
201 views

Adding an attribute crashes the system?

At some point I noticed the following errors just in the documentation: And not only this one, this is not only for Manipulate, there were many others. Also the ...
4
votes
0answers
264 views

Does Mathematica know that $\small\frac{\vartheta_3\left(0,\frac{1}{\sqrt[10000000000]{e}}\right)^2}{10000000000}$ not equal $\pi$

The following is not an identity but is correct to over 42 billion digits: $$\bigg(\frac{1}{10^5}\sum_{n=-\infty}^{\infty}e^{-\frac{n^2}{10^{10}}}\bigg)^2=\pi$$ I want to check this. I tried: <...
4
votes
0answers
95 views

NIntegrate::ncvbr: How should we interpret and handle this error not mentioned in any documentation?

I have some user-defined module describing my integrand which has to be computed numerically (it's much more complicated than this but bear with me): ...
4
votes
0answers
729 views

Numerically solving a system of PDEs where one function is composed with the other

I'm trying to solve the following system using NDSolve: $$ \begin{align} u_t(x,t) &= u_{xx}(x,t) - v(x,t) \\ v_t(x,t) &= u(v(x,t),t) \end{align} $$ with $...
3
votes
0answers
155 views

Bug in the classification optimization algorithm for large data sets

I believe that I encountered a bug in Mathematica 12. The Classify[] function throws errors when simultaneously: The training set has significantly above $10^5$ ...
3
votes
0answers
158 views

How can I do a faster integration?

I have this part of my code, which takes forever to run. Does anybody know how to make it faster? Using NIntegrate I face error: "NIntegrate::eincr: The global error of the strategy GlobalAdaptive ...
3
votes
0answers
73 views

Use of ContainsAny in EntityClass

The documentation page for EntityClass states that Property values in implicitly defined entity classes may make use of Quantity (and intervals of Quantity) for ...
3
votes
0answers
200 views

Differential equations in partial derivatives

I am trying to get numeric solution for equations: $$ \left\{x^{(2,0)}(u,t) \left(1-\frac{y^{(1,0)}(u,t)^2}{\left(x^{(1,0)}(u,t)^2+y^{(1,0)}(u,t)^2\right)^{3/2}}\right)+\frac{x^{(1,0)}(u,t) y^{(1,0)}(...
3
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0answers
94 views

EntityValue returns CharacterEncodingError

Whenever I try to use natural language-input, or even just call the EntityValue function, like in a Documentation example: ...
3
votes
0answers
57 views

Why does Kernels[] produce this error?

Most of times, on my PC, when Kernel[] is launched for the first time, produces this error: Executed again returns {}. Is it ...
3
votes
0answers
545 views

Increasing MaxPoints in NDSolve results in memory issue

I am interested in increasing "MaxPoints" in NDSolve's "MethodOfLines" in attempt to increase the resolution of the plot of the solution of linearly damped wave equation with transparent boundary ...
3
votes
0answers
305 views

“LinkOpen::linke : specified file is not a mathlink executable”

The following code runs fine if I run it interactively: ...
2
votes
0answers
51 views

Error Message for GrammarRules and GrammarApply

I have been struggling with the following issue regarding an irregularity when deploying and applying GrammarRules. Specifically, it often takes several failed attempts before the execution is ...
2
votes
0answers
36 views

DSolve 4 variables function error

Mathematica version: 12.0.0.0 I'm trying to solve 2 basic differential equations; ...
2
votes
0answers
43 views

Error in PDE: Length of Derivative operator

I am trying to solve Poisson's equation in a cylinder with Dirichlet boundary conditions for the top, bottom, and sides of the cylinder, but I am getting the following error from NDSolve: ...
2
votes
0answers
54 views

What could cause an “Uncaught Throw[$Failed,CURLLink`Utilities`Exception] returned to top level.” error message?

I am running a program in Mathematica that uses web browser automation, and is also connected to my email account. The program runs fine for a while, but after a few hours, I end up getting the ...
2
votes
0answers
65 views

Solving a PDE solved by the method of lines giving a warning about bad local spatial error estimate

I use the method of lines to solve the PDE ...
2
votes
0answers
24 views

How would I obtain error information on a $Failed GeoElevationData?

The following code returns an error: GeoElevationData: with no description of the error. I think this error may be because I am asking for elevation data that is ...
2
votes
0answers
38 views

Find errors in collapsed notebook

I usually keep my notebooks collapsed to make understanding what's going on easier. The problem is that if there's an execution error, I have to expand everything in order to even know that there was ...
2
votes
0answers
154 views

Why this issue with Workbench?

I just installed the current version of Eclipse and then the current version of Workbench 2 by following the online instructions at the Wolfram site for installing it as a plugin. I can create a ...
2
votes
0answers
61 views

How can I deal with a SystemException?

I have a list of functions that are being evaluated, using ParallelTable[], and continue to get the error message: ...
2
votes
0answers
272 views

Mathematica 11.2 / 11.3 Startup error

This is problem that I am finding since the last release of Mathematica version 11.2 and also in version 11.3. On starting up Mathematica I get the following three messages: 1) An unknown menu ...
2
votes
0answers
893 views

Solve doesn't return anything as output

I'm new to mathematica and I'm trying to solve this system of equations. First, I define some constants that I need ...
2
votes
0answers
65 views

Matrix as function manipulation

Consider matrix mat[x_] := {{1, 2}, {3, x}} with mat[x][[1]] giving {1, 2} I wanna ...
2
votes
0answers
100 views

Neural Networks: Missing functions/data

Newcomer to both Mathematica and neural networks here, so please bear with me. I'm running Mathematica (11.0.1) on a school server (Ubuntu 14.04), accessing it via ssh. I'm trying to follow the ...
2
votes
0answers
74 views

Automating generation of argument error messages

You can run into messages like DistributionFitTest["kk", "TestConclusion"] ...
2
votes
0answers
284 views

Failing to Load Cloud-Related Functions

I am running Mathematica 10.2 (Student Edition), and am encountering an issue with Cloud-related functions. Specifically, when I evaluate anything like CloudConnect or ...
2
votes
0answers
112 views

ListPolarPlot goes crazy when PolarAxes->True

Bug introduced in 9.0 and fixed in 9.0.1 I think I am experiencing the same/similar problems as this user. Mathematica Version: 9.0 for Mac OS X x86 (64-bit) (November 20, 2012) Computer: Mac OS X ...
2
votes
0answers
136 views

Unusual error message from Solve when called by DSolve

Question 111150 presents an equation nonlinear in its leading derivative ...
2
votes
0answers
149 views

Shadowing issue with DeleteDuplicatesBy

I have been running a function in Mathematica 10 with the command, DeleteDuplicatesBy. The function was working great until one day I started to get an error with ...
2
votes
0answers
107 views

Is there a minor bug in Neal Alexander's TopologicalSortAll[]?

There is an amazing answer to this question: All possible topological orderings of a graph By Neal Alexander. However, as user "dark blue" (I am not this user) notes: ...
2
votes
0answers
182 views

Capturing error message information

Error messages returned from SendMessage occasionally have useful information in them. For example: ...
2
votes
0answers
512 views

Two problems with NDSolve when using Method -> Projection

I tried to solve a system first order differential equations together with a constraint equation. I use the Method -> Projection to check if the constraint holds ...
2
votes
0answers
588 views

Maximizing Large Multivariable Function over Region with Parameter Constraints

Brand new Mathematica user here. I have a complicated function to maximize, and thought I would try software like Mathematica instead of taking derivatives by hand. I found some Mathematica ...
2
votes
0answers
389 views

Export Notebook causes an INTERNAL SELF-TEST ERROR: Files2|c|1713 message

On my machine (Windows 8.1) and M10 the following two lines, that must be run on an already saved notebook, ...
2
votes
0answers
123 views

Locate Blow-up in NDSolve with Whenevent

At some point I get this error: ...
1
vote
2answers
77 views

Having trouble with Part

I'm very new to Mathematica. I'm just trying to plot some data, but Mathematica says there isn't a 7th element my data which is an array of 7 elements. The code before the plot is here: ...
1
vote
0answers
42 views

Encountered non-numerical values at (ParameticNDSolve/NDSolve)

I have the following problem: Even though I defined every other constant in the code, using either NDSolve or ParametricNDSolve, ...
1
vote
0answers
26 views

Unable to turn off error messages using Parallelize

I am running 11.1 and would like to run NIntegrate and turn off the error message NIntegrate::ncvb but when I run the integrations in parallel, they are not being turned off. For example, consider ...
1
vote
0answers
43 views

Getting wolframscript to print out error messages?

While running a .wls file from the command line using wolframscript, is there a way to get the error messages printed to the command line?