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9
votes
4answers
464 views

Incompatibility of Row and TeXForm

Bug introduced in 9.0 and persisting through 11.0 Update: Since no one has been able to give a reason for this change in behavior or provide a solution I am tagging this as a bug. Please report it ...
12
votes
1answer
393 views

SymplecticPartitionedRungeKutta shows strange error

Bug introduced in 9.0 and fixed in 11.3.0 or earlier I tried to solve Hamiltonian system ($Q$ is a vector of all generalized coordinates, $P$ - of generalized momentum) $$ \frac{\mathrm{d} Q}{\mathrm{...
7
votes
2answers
163 views

Strange Error on Fresh Kernel (10.2)

Bug introduced in 10.1 I wrote a helper function to format real numbers in a certain format for writing .dbf files here. It relies on a new function to 10.1 - ...
12
votes
1answer
374 views

StringMatchQ and Alternatives throws message in init.m

Bug fixed in 11.2.0 The report of this issue, which itself relates to code of my answer here, exposed a behavior I cannot explain. If I use StringMatchQ in ...
7
votes
4answers
735 views

error with NIntegrate and RegionPlot

Bug introduced in 10.2 or earlier and persisting through 11.0.1 or later Here's a simplified example of what I'm trying to do: ...
9
votes
3answers
3k views

Error “Power::infy: Infinite expression 1/0 encountered”. Why do I get this?

Bug introduced in 11.0 or earlier and persisting through 11.1 I need to write this function piecewise and to make a graph for it, x[-3,3]: ...
1
vote
1answer
90 views

Numerous Extraneous Error Messages from EvaluationData

In the course of solving question 134644, I encountered the message Reduce::ztest1: Unable to decide whether numeric quantity -Log[5381171456512]+Log[(-Sqrt[101] Log2-10 Sqrt[101] Log[5]+101 (...
35
votes
2answers
5k views

Mathematica stuck in “running” for every calculation I attempt, kernel error

Bug introduced in 11.1.1 and fixed in 11.1.1 Bug was caused by a paclet update and fixed by a paclet update. I downloaded Mathematica this morning to do an implicit polar plot. I attempt to run the ...
34
votes
3answers
2k views

No warning when extrapolating with Plot

One of the most annoying "features" of Mathematica is that the Plot family does extrapolation on InterpolatingFunctions without ...
18
votes
1answer
1k views

Quiet doesn't work with FindRoot when using Brent method

Bug introduced in 9.0.1 or earlier and persisting through 12.0 or later The following has no solution: FindRoot[x == 1, {x, 0.25, 0, 0.5}] And Mathematica ...
7
votes
0answers
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 ...
18
votes
2answers
924 views

Error “Throw::nocatch: Uncaught Throw[False] returned to top level” given each time I open a new Mathematica 10.1 session

Bug fixed in 10.1.0 via paclet update Since a few days now, each time I open a new Mathematica session I get the small red error popup window with the error messages: ...
7
votes
2answers
290 views

Why equivalent Graph objects yield different results?

Bug introduced in 10.0 or earlier and fixed in 12.0. I am working with Mma 11.2 for win 7. I am confusing about the results returned by ConnectedGraphQ described ...
6
votes
0answers
99 views

Problem with my user name

I'm trying to use the new website ("Wolfram Function Repository") and i get the following error: ...
5
votes
1answer
290 views

Unable to communicate with LinkObject when importing PDF

Bug introduced in 8 or earlier and persisting through 11.1 When I try to download some files from the web, I sometimes get an error like this: ...
4
votes
2answers
4k views

SystemException[“MemoryAllocationFailure”, …] with NMaximize

I have a complicated analytical expression that needs to be maximized with respect to a parameter t: ...
2
votes
1answer
115 views

Why does plotting a PolyLog function yield 1/0 error? (Intentional bug?)

Bug introduced in 11.0 and fixed in 11.1.1 In Mathematica 11.0, the following Plot[Re[PolyLog[2, 1/(1 - x)]], {x, -3, 3}] generates a ...
0
votes
1answer
50 views

RegionPlot evaluating NIntegrate before assigning variable values and resulting in non-numerical integrands [duplicate]

I am trying to find the regions where the integral of a function a function is larger than a certain quantity using RegionPlot. For simplicity's sake, let's say the intergal I am looking to plot is is ...