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41
votes
2answers
2k 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 ...
12
votes
4answers
492 views

How to catch complete error message information

If I evaluate this expression: Module[{}, 1/0;0^0]; msg = $MessageList I get: ...
8
votes
3answers
319 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 ...
2
votes
1answer
3k 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 ...
2
votes
2answers
181 views

SystemException[“MemoryAllocationFailure”, …] with NMaximize

I have a complicated analytical expression that needs to be maximized with respect to a parameter t: ...
11
votes
1answer
117 views

Adding Trace produces error messages

This is very strange. As I was trying to debug this problem, I noticed when I add Trace then I get lots of internal errors generated. This also happens the first ...
4
votes
1answer
725 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 ...
3
votes
0answers
114 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 ...
2
votes
0answers
76 views

Finding and interpreting errors [duplicate]

This sounds like a fairly trivial question, but I can't think of any way to solve it. I am doing an extensive parameter sampling where a set of ODEs is used together with ...