Questions tagged [error-tracking]

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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 ...
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228 views

How can you link Parallel Mapping and Error tracking

Following this question and the comments made, together with the information in this question, the following code allows error tracking and debugging very nicely. ...
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82 views

Issues with symbolic integration

I am trying to do the following indefinite integral, ...
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109 views

How to find discretezation error of NDSolve

Is there a way to find out how large the truncation, round-off, and other errors that occur from discretizing a differential equation are while using the default settings in NDSolve? Or would I have ...
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48 views

Unexpected behaviour of SolveAlways

My problem is quite simple and I cannot spot if this is my mistake or some malfunction of mathematica. I am using ...
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29 views

spontaneously quitting kernel, assignment and packed arrays

I am having an issue where the kernel spontaneously quits, deep in a long code that I have used for quite some time without this issue. I've tracked it down to an assignment of the form: a[[All, All, ...
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90 views

Why is Mathematica saying this sequence tends to $0$?

I am a complete novice in Mathematica so please bear with me. I am trying to graph a sequence that converges to $\pi$ but after $27$ iterations Mathematica just goes crazy and I am not sure why. I got ...
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48 views

RegionPlot outputs System`ReduceDump`

I'm using Solve[] to find the solutions to a system of equations, then checking their stability in a Hessian using ...
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69 views

raise error on type mismatch

Is there a best practice for raising an error on a type mismatch? For compiled functions I'm guessing the answer is the use of GeneralUtilities`WithMessageHandler. ...
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489 views

Kernel shutting down automatically with no error

What are the possible reasons why a kernel exits and the computation simply stops without printing out an error message? In case the specific scenario is required, it is as follows but perhaps the ...
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85 views

Mathematica stops working with no warning/error

I have some long computations on my Mathematica notebook. For some reason they stop and Mathematica gives me no reason as to why. No warning. No erros. If run the "Initialization Lines" (...
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53 views

customisable error checking, message handling code

I have an iterated computation running in a while loop, which is bound to fail at some point, at which point I want it to stop, e.g. ...
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56 views

Errors with NIntegrate: NIntegrate::ncvb and NIntegrate::slwcon

The image shows the array (W) I'm trying to integrate. It gives the following errors: 1. NIntegrate::ncvb 2. NIntegrate::slwcon I tried excluding the singularity points; adjusting the accuracy goal, ...