Questions tagged [error]

Questions seeking help understanding error messages and fixing errors.

169 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
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102 views

Problem with my user name

I'm trying to use the new website ("Wolfram Function Repository") and i get the following error: ...
6
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392 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 ...
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284 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 ...
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101 views

What does “Solved to an acceptable level” mean in the context of NonlinearModelFit in M12

I made a simple cosine fit to some data: ...
5
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130 views

How can I prevent errors with ReplicateLayer[]?

I am trying to build a NetGraph[] that takes input of the form {{0.6},{0.6},...,{0.8},{0.8}} and multiplies the last sequence ...
5
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136 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
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0answers
68 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
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0answers
153 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
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0answers
516 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
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0answers
64 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
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69 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
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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
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266 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: <...
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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
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742 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
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35 views

Mathematica file corrupted with the syntax error “Spacer[{0., 0.}], Selectable -> False”

My Mathematica file is corrupted. The error says There was a syntax error on line 34457 in the file: xxx.nb. The error was:Spacer[{0., 0.}], Selectable -> False ...
3
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35 views

Installing R failed

To install R, I evaluated the following code Needs["RLink`"] InstallR["RHomeLocation" -> "C:\\Program Files\\R\\R-3.6.1"] and I got the follow error messages: ...
3
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0answers
62 views

Why does FindInstance take so long: It is faster with more restrictions than with less?

A support case with the identification [CASE:4347836] was created. I just noted this little puzzle on twitter by Brillant.org: \begin{align} A B C\\+ BCA\\ = CDE \end{align} Given that $A$ is even ...
3
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163 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
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210 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
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78 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
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202 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)}(...
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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
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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
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0answers
561 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
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0answers
319 views

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

The following code runs fine if I run it interactively: ...
2
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20 views

`MatrixFunction` is returning a cryptic error message about “the function `1`”

The "Possible Issues" section of the documentation for MatrixFunction lists several possible ways in which a call to ...
2
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0answers
71 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
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0answers
36 views

DSolve 4 variables function error

Mathematica version: 12.0.0.0 I'm trying to solve 2 basic differential equations; ...
2
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47 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
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0answers
62 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
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0answers
38 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 ...
2
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0answers
70 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
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0answers
28 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
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0answers
40 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
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0answers
172 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
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0answers
70 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
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0answers
302 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
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0answers
922 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
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0answers
66 views

Matrix as function manipulation

Consider matrix mat[x_] := {{1, 2}, {3, x}} with mat[x][[1]] giving {1, 2} I wanna ...
2
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0answers
104 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
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0answers
80 views

Automating generation of argument error messages

You can run into messages like DistributionFitTest["kk", "TestConclusion"] ...
2
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0answers
298 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
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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
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0answers
142 views

Unusual error message from Solve when called by DSolve

Question 111150 presents an equation nonlinear in its leading derivative ...
2
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0answers
156 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
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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: ...
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0answers
195 views

Capturing error message information

Error messages returned from SendMessage occasionally have useful information in them. For example: ...
2
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0answers
527 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 ...