# Tagged Questions

For questions on interpreting existing error messages that you have encountered, as well as writing and managing messages, assertions and checks for your own functions.

308 views

### Interpolating an Antiderivative

I'd like to be able to make InterpolatingFunctions for antiderivatives of functions that can't be integrated symbolically. However, the following code returns several error messages: ...
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### NIntegrate::ncvbr: How should we interpret and handle this error not mentioned in any documentation?

I have some user-defined module describing my integrand which has to be computed numerically (it's much more complicated than this but bear with me): ...
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### Evaluating $n$-th derivative of a function at a given point [closed]

I have a function defined as follows: \begin{array}{ccccc} g & : & [-1,1] & \to & \mathbb C \\ & & x & \mapsto & \frac{1}{(x-z)^k} \\ \end{array} where $k$ is a ...
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I'm following the CUDALink tutorial [ http://reference.wolfram.com/language/CUDALink/tutorial/Introduction.html ] and everything is going fine until I get to the part that calls CUDADot on the ...
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If I change $MinPrecision before running ListPlot[{{1, 2}}], there will be a warning in Mathematica 10. But there is no warning ... 3answers 106 views ### How to limit number of user-defined messages issued per evaluation I have written code such that if it runs into a particular function, a warning message is issued. However, it is common for the program to call this function several times in a single evaluation, but ... 0answers 116 views ### Two problems with NDSolve when using Method -> Projection I tried to solve a system first order differential equations together with a constraint equation. I use the Method -> Projection to check if the constraint holds ... 4answers 128 views ### Passing a variable messages list to Quiet I'm trying to build a Verbose option into some code but I'm having trouble passing to a Quiet statement a variable list of which messages I want to suppress. My ... 2answers 108 views ### Automatically detect largest interval over which NDSolve can find a solution Question: Consider the following numerical resolution: NDSolve[eqn, {x1[t], x2[t], y[t]}, {t, tmin, tmax} where eqn, ... 0answers 143 views ### Maximizing Large Multivariable Function over Region with Parameter Constraints Brand new Mathematica user here. I have a complicated function to maximize, and thought I would try software like Mathematica instead of taking derivatives by hand. I found some Mathematica ... 1answer 250 views ### Why is Dataset upset by division by zero? Consider this example: ds = Dataset@Transpose[<|"a" -> {1, 2, 3, 4, 3, 2, 1}, "b" -> {6, 5, 4, 3, 2, 1, 0}|>, AllowedHeads -> All] Now say I ... 1answer 69 views ### Restarting Mathematica causes an animation to fail to run [duplicate] I've tried animating two different sets of 3D plots. Interestingly, one plot will always work, regardless of whether I restart Mathematica, yet another plot will only work in its current Mathematica ... 1answer 106 views ### a mysterious error in multiple symbolical integration I am trying to do the following integration: ... 0answers 96 views ### How to handle infeasible points in FindRoot? I am calling FindRoot[f[x,y],{{x,xInit,xMin,xMax},{y,yInit,yMin,yMax}}] where for some points {x,y}, ... 1answer 231 views ### The front end encountered an error while processing a “NotebookPredictions” packet I occasionally get the error The front end encountered an error while processing a "NotebookPredictions" packet. I cannot find any documentation for this error message online. It does not ... 3answers 184 views ### Incompatibility of Row and TeXForm Bug introduced in 9.0. persist as of 10.0.2 Update: Since no one has been able to give a reason for this change in behavior or provide a solution I am tagging this as a bug. Please report it to ... 4answers 429 views ### How to plot a graph from it's incidence matrix? I'm using Mathematica v9 and am trying to draw a graph by using it's incidence graph, but it won't draw it, which occurs an error "is not a valid incidence matrix.". But I've checked my matrix, and ... 0answers 167 views ### Export Notebook causes an INTERNAL SELF-TEST ERROR: Files2|c|1713 message On my machine (Windows 8.1) and M10 the following two lines, that must be run on an already saved notebook, ... 1answer 152 views ### Error when attempting to save Notebook. Cause and solution? I am experiencing an error attempting to save a modified Notebook in Mathematica 10 under Windows. The error I get is: ... 1answer 93 views ### Warning and Errors during Compile I defined a compiled function cf = Compile[{{x, _Integer}, {n, _Integer}}, z = (n^x); Binomial[n, #]* StirlingS2[x, #] *(#!)/z & /@ Range[x]]; and I ... 1answer 71 views ### Assigning a given value if a function returns an error [duplicate] This question has to do with error handling, I guess. I am using Brent's Method in order to numerically find the root of a function. This is just an example of what I am doing: ... 0answers 114 views ### Error message LinkObject::linkd when calling TextRecognize I am getting the message LinkObject::linkd: "Unable to communicate with closed link LinkObject["E:\Program Files\Wolfram ... 0answers 81 views ### Geometric Transformation not working - degenerate points? I've successfully used FindGeometricTransformation to project the simplex triangle onto the x-y plane: ... 2answers 72 views ### Print argument of function that exceeds$RecursionLimit

Is there a way to print the argument of a function which results in a \$RecursionLimit::reclim error? As an example, cosider the code ...
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### Update: Interpolation error message? [closed]

I have the following data that needs to be analyzed : data = ToExpression@Import["http://pastebin.com/raw.php?i=8XKGYvSy", "Data"]; I have 6 sets of coordinates ...
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### Drop row if sum of part of row is equal to zero

My problem is the following: Suppose I have a matrix A which looks the following: ...
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### Error message: Coordinate index 0 is out of range for the enclosing GraphicsComplex

I am unable understand following error message: Coordinate index 0 is out of range for the enclosing GraphicsComplex. How to fix it? Attached data here: pts and polygons. See also end of question. ...
346 views

### Plot has red 'film', no error message

I am encountering really strange behavior: I wrote a function that plots values some data. After executing the code the resulting plot has the red 'error' colour, but only momentarily (maybe 0.1 sec). ...
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### How to output (anything) if any error happens

I have long code which goes through iteration process. some times I get error messages. I want to get the iteration numbers (or any kind of output indications) when errors happen. for example, how ...
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### “No file exists for resource PasteTemplateString”

I am running Mathematica on a Raspberry Pi and the above error message comes up virtually every time I press ctrl + shift + K to view the suggested functions and ...
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### Series and that old ivar error

I am trying to compare plots of the function (1+x)^{1/3} and its power series. The code for the power series generates an error message referring to an invalid variable: 'General::ivar: -1.09993 is ...
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### Data Fitting with xerrors and yerrors using findfit [duplicate]

I'm trying to fit data with xerror and yerror using "Findfit", so i'm trying the same form than in tuto : ...
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### How to output local variables when error message is generated without interrupting evaluation?

I am running a calculation to generate a dataset. I use several iterations to sweep over a parameter space. A few times an error message is generated (which is not the problem per se). Is it possible ...
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### Problems with For statement

I'm trying to iterate some expression through for loop: ...
1k 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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### Why is this semicolon in red?

I have a piece of code that works well, but when I put a semicolon after a plotting statement, the semicolon appears in red. What's the error?
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### Trouble fitting an explicitly complex model with the TransformedFit package

This is follow up from a previous question in which @Oleksandr R. suggested the use of a package he developed for splitting a model and data into real and imaginary parts to avoid a problem with ...
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### Turning Off Error messages locally

I'm trying to turn Off an error in an expression. ...
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### Easy NMinimize does not converge

I try to minimize the following for a>0: f[a_] := Gamma[3]*a^(-3)*(Integrate[Exp[-u]*(u - a)*1/u, {u, a, Infinity}])^(-1) I put in ...
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### How can I prevent a Plot expression from evaluating points forbidden by its RegionFunction?

I just ran into this and it had me scratching my head for a good while. Say I have a function which may produce error messages for certain inputs, like e.g. ...
157 views

### Getting messages Rest::norest and Divide::indet from ContourPlot3D

Note: The bug described in this post is found in Mathematica version 9 and seems to have been fixed in version 10. Ok I don't know if it's a bug or what, but here's what I found: If I use this ...
518 views

### Union::normal: Nonatomic expression expected when using Uncompress

I saved a expresion to a file like this Export["file.dat",Compress@myExpression]; Then (i don't know why) when I import the file i get the compressed expresion ...
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### Caching RecursionLimit::reclim error

I am learning how to catch exceptions, RecursionLimit::reclim in particular. To see how it works, I came up with the following example: ...
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### Locate Blow-up in NDSolve with Whenevent

At some point I get this error: ...
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### Problem with Label in a Do loop, “nolabel” [closed]

Can someone tell me why this code doesn't work and how to fix it ? Thanks. ...
267 views

### FindFit::nrlnum What am I doing wrong?

I have a model called qobs: ...
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### How to save numbers that are in Mathematica messages

I have a program that calls FindDistributionParameters and I get the Mathematica message FindMaximum::eit each time I call the function. The message is FindMaximum::eit: The algorithm does not ...