Questions tagged [warning-messages]

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9
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379 views

Spurious Error Messages from NDSolve when Using WhenEvent with Time Delays

Bug introduced between versions 10.1 and 10.4, and resolved in 11.3. Using either 11.2 or 10.4 on Windows 10 (64 bit), I am unable to reproduce the answer by March to question 99576. Specifically, ...
8
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0answers
166 views

SiegelTheta throws errors from calling Range with complex arguments

Bug introduced in 8.0 or earlier and persists through 12.1 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 on ...
6
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0answers
29 views

BarChart does not display asymmetric error bars correctly

BarChart seems to read the uncertainty in elements the other way around. The object: Around[5, {1, 10}] is evaluated as . However, when you use it in a BarChart, the uncertainties are swapped: ...
6
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0answers
147 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 ...
6
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0answers
127 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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0answers
398 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
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0answers
286 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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127 views

There seem to be severe issues with Mathematica 12.1 running System Modeler models and with WSM 12.1 itself on Windows 10

I am using Wolfram Mathematica 12.1 and the Wolfram System Modeler 12.1 on a Windows 10 (64 Bit) notebook. Pretty much exactly since yesterday (2020-04-10), I am experiencing severe and previously ...
5
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144 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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68 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 ...
5
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0answers
150 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
72 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
158 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
520 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) ...
5
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774 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 $...
4
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71 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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0answers
268 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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99 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): ...
3
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0answers
41 views

Is there a way to customize how many of the same warning messages are printed?

I have an evaluation inside a Paralleltable which sometimes gives me warning messages. After a certain amount of warning messages it will say: ...
3
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0answers
27 views

Importing notebooks with definitions that cause messages during formatting

According to reference pages, Quiet "does not quiet messages that occur during formatting", which typically is just a nuisance, but it seems to affect ...
3
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0answers
42 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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0answers
48 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 ...
3
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0answers
169 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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0answers
296 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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0answers
80 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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0answers
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)}(...
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
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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
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0answers
601 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
355 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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0answers
55 views

Error: “Cannot set current directory” if directory name starts with tilde “~”

On MacOS, there seems to be a bug in FileNames[] when a directory starts with a tilde ("~"). Does anyone else see this behavior?: ...
2
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63 views
2
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69 views

Why is the sum of the series calculated using the integral

I tried to calculate the sum the Harmonic series via NSum up to a huge limit and got an error: NIntegrate: Numerical integration converging too slowly; suspect one of the following: singularity, ...
2
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0answers
61 views

NMinimize: Constraints not valid, although additional constraints make it valid

The following code produces the error message "The following constraints are not valid". However, if I add the additional constraint "diam <= 3" (commented out below), it runs correctly and finds a ...
2
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0answers
58 views

FindSequenceFunction instantly throws an exception

FindSequenceFunction[{2, 4, 6, 7, 14, 29, 18, 5, 5, 2, 4}] SystemException["MemoryAllocationFailure"] $Version "12.0.0 ...
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0answers
75 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
37 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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0answers
39 views

When mapping FindMinimum to a list, how to find out which instance does not converge

I defined a function f[x,y] and wanted to study its minimum over x when viewing y as a ...
2
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0answers
54 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
81 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
57 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
78 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
39 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
43 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
196 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
77 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
470 views

ParallelTable::nopar: No parallel kernels available; proceeding with sequential evaluation

I am trying to use a the following code: ...
2
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0answers
342 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
943 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 ...

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