Questions tagged [error-tracking]

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25
votes
5answers
2k views

How to catch complete error message information, including the message text as it would be printed?

If I evaluate this expression: Module[{}, 1/0;0^0]; msg = $MessageList I get: ...
4
votes
1answer
16k views

How do I troubleshoot when I get a Part::partd or a Part::partw error?

Mathematica has produced the following error message: Part::partd: Part specification ... is longer than depth of object? What is partd? I think I may have ...
21
votes
1answer
253 views

Why Trace[] shows some internal warnings on a standard Plot command in V9?

For fun, I like to use Trace with option TraceInternal->True to see if I figure how some of the commands work internally. I ...
5
votes
1answer
225 views

Dealing with errors and resuming the code after one

How can I write my Mathematica code so that it resumes at a specific place if any Message is displayed during the execution of an expression? For example, in Visual ...
3
votes
1answer
328 views

Printing a success message if no errors have yet been thrown in the current session

I plan to run a lengthy Mathematica script on a Linux terminal (by "a Linux terminal," I mean that I have text output only -- no GUI), using the program math. To ...
11
votes
2answers
246 views

What is the simplest way to determine which call to a superfunction has generated a Message?

I have a complicated function which contains many calls to NIntegrate, NSolve, FindRoot and ...
5
votes
1answer
123 views

Strange Tilt on error notification

I was testing the source code of the answers to this question. And when I tried this response and maxed out most of the manipulators, this is what I got. What went wrong that the errors are tilted. ...
59
votes
2answers
3k views

Mathematica Debuggability

One of the things that I really dislike about Mathematica is its lack of debuggability compared to many other programming languages. Some of the problems arises from the functional nature of ...
10
votes
3answers
453 views

How to write a function-defining function which stores the function arguments in a stack?

I have a function-defining function SetAttributes[DefFn, HoldAll]; DefFn[f_[args___], body_] := f[args] := body; I am trying to modify this function to record ...
4
votes
1answer
1k views

Why these (error) messages?

Testing this answer I used: stream = OpenWrite["A:\\out.txt"]; Block[{$Messages = stream}, Mod[1, 2, 3, 4, 5] ] and I was surprised to find that the contents ...

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