Questions tagged [error-tracking]

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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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2answers
15k views

How to fix this error : SetDelayed::write: Tag Plus in (<<1>>)[x_] is Protected.? [duplicate]

I don't get the meaning of the sign <<>> and also from which line the error is coming as I have a program of more than 30 lines with many defined functions without using "Module" . Is not there ...
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2answers
43 views

NDSolve: How to perform a reverse integration consistency check?

Let there be the following NDSolve code: s = NDSolve[{y'[x] == y[x] Cos[x + y[x]], y[0] == 1}, y, {x, 0, 30}] I think it ...
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1answer
440 views

What does Segmentation fault (core dumped) actually mean? [closed]

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1answer
106 views

Plotting of an error estimate of `NDSolve`

So, in an earlier post, (see here), I asked a question regarding a surface of section for a system of coupled non-linear ODEs. What I am after now, is the numerical precision of the results I get back....
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24 views

Error messages in a notebook

I write on the Mathematica notebook NSum[(1 + k^2 + l^2 + m^2)^{-1.75}, {k, -Infinity, Infinity}, {l, -Infinity, Infinity}, {m, -Infinity, Infinity}] and it ...
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44 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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38 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, ...