Questions seeking help understanding error messages and fixing errors.

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5
votes
0answers
38 views

Spurious infinite limit of integration message in NIntegrate

NIntegrate returns an error complaining that ComplexInfinity is an invalid limit of integration when passed exact input but not ...
2
votes
1answer
120 views

An error disappears?

I needed to define a table of functions. And I did it like this: ...
0
votes
2answers
39 views

“Part specification is longer than depth” warning in Position function [duplicate]

I'm working on a project which analyzes financial data. I download the price and dividend information for the SPY ETF which tracks the S&P 500: ...
3
votes
0answers
36 views

Undeclared Identifier error in Compile [on hold]

I've been trying to compile a couple of functions in Mathematica, and I keep coming across an error that I do not know how to resolve. Consider the following function: ...
1
vote
0answers
67 views

NonlinearModelFit::nrnum error [on hold]

I'm trying to fit data (including some small negative numbers at both extremes) to a normal distribution. ...
0
votes
0answers
30 views

Set::setraw error help includes Module

Simple program for euler's method. I changed it to this and it works, just not to the extent I want it to. Right now I have to define x and y locally, whereas I'd rather set them as a global initial ...
0
votes
1answer
33 views

Error message when exporting plot as XLS file

I imported data from excel which has 300 data (which are change in CDS spread). I want to compute corresponding CDF for the data using kernel density estimation. I get the CDF plot but cannt get the ...
8
votes
2answers
68 views

Using Merge[Identity] and Transpose on a Dataset

While experimenting with this answer, I ran across the following: ...
3
votes
0answers
60 views

INTERNAL SELF-TEST ERROR: Printing|c|3530

In the last two weeks, Mathematica works correctly, but every time I start it, the following message appears: The link sends me to this page. What happens? How can I correct it? I run version ...
10
votes
1answer
1k views

What does the message 'This file contains potentially unsafe …' mean and how serious is it?

I had some Mathematica files on over which recently I have faced to this message: However, after searching, I have seen some blogs in Mathematica SE or in somewhere else about that, but I could not ...
4
votes
2answers
134 views

FEM giving “ … is not a polynomial error”

Executing the program below I get the ... is not a polynomial error message. I don't have an idea why I am getting this -- any suggestions? ...
2
votes
1answer
62 views

Stopping NDSolver at time of error

I am using NDSolver and WhenEvent to solve a system of differential equations. I get this message: ...
2
votes
1answer
104 views

solve nonlinear equations with NDSolve

I am trying to solve a set of equations with NDSolve. one of them is mg*yg''[t] == NN[t] - kb*yg[t]^1 - cb*yg'[t], When the power of yg[t] is 1 the equations could ...
0
votes
0answers
19 views

Protected Tags Error [duplicate]

While trying to run this piece of code: ...
13
votes
2answers
354 views

Is FrameTicks broken in 10.1.0?

On my system, Mathematica 10.1.0 under Windows, none of these FrameTicks documentation examples work correctly: ...
2
votes
1answer
122 views

Mathematica error code 0x00000171

I'm getting above error code with a Trap 132 indication when attempting an ArrayPlot of a complex 130000 x 2048 matrix. Using Mathematica 9.0.1 with Mac OS 10.10.3 ...
0
votes
2answers
46 views

Troubleshooting Program Meant to Swap Elements

I wrote a program that is supposed to take a list (of arbitrary length) of pairs of the digits of binary numbers (e.g. ...
2
votes
1answer
39 views

Indeterminant expression encountered in Summation

I have a function that I'm trying to find an explicit form for the coefficients in its power series expansion. On paper, it is a long calculation so I decided to write up the formula in mathematica. ...
4
votes
2answers
101 views

Why doesn't ParallelTable work on this very simple example?

For some reason, I'd like to use ParallelTable with a variable number of iterators. Table[a[1], {a[1], 0, 10}] works fine: ...
0
votes
1answer
81 views

Integral evaluation error

I have the following integral that I wish to evaluate using Mathematica: ...
0
votes
1answer
55 views

Mathematica Code Involving For Loops Not Completing All Iterations [closed]

First of all, thank you for taking the time to read this. I'm working on a portion of code related to the genetic algorithm that is not producing the expected results. What the code is supposed to do ...
14
votes
2answers
370 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 From a few days now each time I open a new Mathematica session I get the small error messages window with the error ...
-1
votes
1answer
148 views

Strange bug involving a list, “Objects of unequal length” [closed]

sortedTally is a list generated from Tally sortedTally[[1]][[1]] is a list If I print: ...
0
votes
1answer
79 views

How to identify and remove errors in a list

After some searching, I did not find a solution to the following problem, which in my thinking should have some very easy/efficient solution. I'm looking at a list of images (faces), that I want to ...
0
votes
2answers
63 views

Function works only after printing variables inside [closed]

For the input: pickTwoParts[{a, b, c}], the right output is: {{a, a b, a c, b, b c, c}, {b c, c, b, a c, a, a b}}. I am getting that output, but only after uncommenting the lines: ...
2
votes
2answers
74 views

FindDistributionParameters gives an error for a mixture of user defined sinh-arcsinh distributions

I have some data (1593 values). I first binned it using the Knuth rule and fitted a function that is a linear combination of two sinh-arcsinh functions. I then ...
1
vote
1answer
68 views

Plot x and y ErrorBars from file

If I have a set of data like this one saved in a txt file ...
0
votes
1answer
54 views

NDSolve::bcsol?

I'm writing a code to numerically solve a differential equation. It has to repeat the process several times since there is a variable involved which is unknown, and the equation is fit to some ...
1
vote
1answer
50 views

NMinimize error: Nearest::neard:

I have this function GuessError, here's a plot assuming a single variable x, Plot[GuessError[10^x, etc..], {x, 8, 12}] , being etc some more variables which are ...
2
votes
1answer
61 views

Why isn't Table iterator value inserted in failed NIntegrate arguments?

Consider this simplest example: Table[{z, NIntegrate[f[x], {x, 0, z}]}, {z, {1}}] Here f is not defined, so ...
1
vote
0answers
31 views

Understanding HoldSequence and ReleaseHoldSequence in Error Handling

I was playing with GeneralUtilities`PrintDefinitions in V10.1, and find some of native Mathematica functions using ...
0
votes
1answer
67 views

NIntegrate producing SetDelayed::write message [closed]

I used NIntegrate to calculate an integral with the final limit as a variable, which later will be listed in a table, ...
2
votes
1answer
61 views

How can I correct error message that appears each time I launch Mathematica?

Each time I launch Mathematica I get the following error message : The specified setting for the option Magnification cannot be used. I have gone to the option inspector and have confirmed that the ...
0
votes
1answer
75 views

SIGSEGV Error on Plotting Tubes

I have code to plot some "2 dimensional" points in 3D space, and connect a line between them (because ListLinePlot3D takes way to long/hangs), which works fine: ...
3
votes
3answers
133 views

Reduce gives wrong solutions

Given the follwing system of equations eqs = { x/(x - 2) - 4/y == 1, x/(2 + 1/y) == y/(3 - 1/x) } Although the domain of this system does not contain ...
0
votes
1answer
41 views

Using Check[] on multiple statements

I am using a loop to run run multiple fits. If a fit fails, I don't want it to either appear in my data or to affect later fits so I am using the Check[] function to catch if any errors occurred (I'm ...
0
votes
1answer
35 views

aborting at a message, but still save data

This may be an easy question, but I can't find it anywhere. I have a code which solves linear equations in a do loop (possibly compiled) using LinearSolve. To save the results I use Reap and Sow. It ...
0
votes
1answer
32 views

Null result with Catch and Throw [closed]

I am trying to solve a physics problem of a man in a ferris wheel that needs to jump off at a certain angle to land in a boat that is moving at a constant velocity, however, whenever I compile my ...
2
votes
1answer
81 views

Why this error?

f[x_] := Piecewise[{{1, -0.5 <= x <= 0.5}}, 0]; ProbabilityDistribution[ Integrate[f[a], {a, x - 0.5, x + 0.5}], {x, -2, 2}] output: "Unable to prove that ...
1
vote
1answer
78 views

Error with using NDSolve [duplicate]

I am currently trying to numerically solve a system of differential equations. Here is my code: ...
10
votes
1answer
160 views

Enigmatic message about MaxBend

Referring to the method I proposed for Problem with ParametricPlot Mathematica 10.0.2 throws an enigmatic error message: ...
0
votes
0answers
30 views

Is there any way to get more info on an error message?

Many times I receive messages but can't find any documentation on what it means. For instance today I got this error: ...
0
votes
1answer
68 views

Minimization Nminimize nnum error

I have imported data (mat is the name, 1x100 dimensional vector)and written a likelihood function for normal distribution. ...
5
votes
1answer
100 views

Compilation of `Total` with CompensatedSummation

I sometimes obtain an unexpected error when trying to call a compiled version of Total with compensated summation turned on. More specifically I define ...
9
votes
2answers
163 views

How to find out where an error occurs?

I got this error when using Mathematica: ...
1
vote
2answers
50 views

How to catch and fix a warning/error that goes away almost immediately?

I wrote the following code ...
0
votes
1answer
48 views

How to switch on error messages in mathematica 10?

I have mathematica 10 and 8 on different computers. Version 8 always shows me the error message about what goes wrong while I don't see any error message in version 10. I find it quite inconvenient as ...
0
votes
2answers
105 views

NonlinearModelFit errors

I have read through other forum posts and have seen a few things that I thought would help but I am still having issues. I'm trying to fit some calibration data and am at first getting the error ...
1
vote
2answers
61 views

Using manipulate with a defined funtion to solve a ODE

As many in this community I'm new in Mathematica and while exploring the numerical solver for differential equations, I tried: ...