# Tag Info

Accepted

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• 24k

### Is it possible to improve Mathematica's auto-completion feature?

I'm using Mathematica 12.1 and I think the following feature was introduced in version 12. You can add and execute the following code in your notebook: ...
• 469

### How do I show the transition probabilities in a graph of a Markov process?

You can use MarkovProcessProperties[mp, "TransitionMatrix"] as edge labels directly in Graph: ...
• 398k
Accepted

### What is the status of ::usage and Templates in Mathematica v11?

1) The complete failure of Make Template with formatted usages is fixed in our next release. I can't promise you it will look 100% beautiful in all cases, but the number of templates will match the ...
• 14.2k
Accepted

### Problem in Mathematica 9 code in Mathematica 11

The answer to your question is in the error, NDSolve::ntdv: Cannot solve to find an explicit formula for the derivatives. Consider using the option Method->{"EquationSimplification"->"Residual"}...
• 12k

### Packages for Semidefinite programming

Semidefinite programming (see here) has been added to Mathematica 12. Example ...
• 5,483

### Web Browser Screen Shot

There is now a built-in way to do this: WebImage["http://stackoverflow.com"] ...
• 3,675

### How can i draw ellipse in 3D?

When I wrote this answer the question clearly asked for an ellipse. Look up ParametricPlot3D and use the equation of an ellipse. ...
• 236k

### What functions work in which version of Mathematica

WolframLanguageData has the answers you are looking for - specifically, versions in which symbols were introduced or modified! ...
• 13.1k

### Remove some of the background noise to get clear microscopic image

Try ComponentMeasurements ...
• 54.5k

### Delete duplicates in a set of Data?

Starting with list = {{}, {3, 17}, {5, 15}, {7, 13}, {11, 9}, {13, 7}, {17, 3}, {19, 1}} You can remove reordered sublists with ...
• 3,483

### SSL errors when using URLFetch or URLSave in versions 8 or 9

As explained by ilian in his comment to my question, one can work around these issues in the following way Mathematica 8 You need to switch to a different version of Java as the one used in ...
• 3,527

### What functions work in which version of Mathematica

See http://reference.wolfram.com/language/guide/SummaryOfNewFeaturesIn11.html and the related pages on the bottom. This will tell you that StringContainsQ has been altered going from 10 to 11. This is ...
• 4,571
Accepted

### Packages for Semidefinite programming

This add-on is the best I've found: https://github.com/NCAlgebra/NC The documentation that is more specific to SDPs is here: http://www.math.ucsd.edu/~ncalg/DOCUMENTATION/index.html#...
• 2,470

### How to export and import Graphs with additional data?

If you don't want to import the graph into some other application, but simply save it for later use, I've found that just saving the graph in .m format preserves everything just fine: ...

### NDSolve with Piecewise gives the incorrect answer randomly

Another possible fix to the bug is to use Simplify`PWToUnitStep to expand the Piecewise into a combination of ...
• 67k

### In version 9 PlotLegends, how can I remove the strange edges that appear around LegendMarkers?

Grayish (actually black with Opacity[.3] marker edges are the result of default setting for marker style: ...
• 398k
Accepted

### Open a hdf5 file in SWMR (single writer multiple reader) mode in Mathematica 9.0?

From HDF5 User's Guide on SWMR mode: The SWMR feature is available in HDF5 version 1.10.0 and later. Since Mathematica 11.3 uses HDF5 1.8.16 there is no support for SWMR neither in 11.3 nor in any ...
• 1,359
Accepted

### Find repeating pattern in 2D list

There is an undefined variable l in the OP. Below I use: ...
• 20.3k

### Remove some of the background noise to get clear microscopic image

I do not know what your aim is. For the present, I assume that you want to count points of a given size. We proceed as follows: First we copy the picture and make it black and white picture: ...
• 53k

### Remove some of the background noise to get clear microscopic image

Here's my trial, which is v9 compatible: img = (* Copy and paste the image here *); comp = SelectComponents[Binarize[img, 0.6], "Area", # > 80 &] ...
• 67k
Accepted

### Exporting graphics in eps-format. A change from version 9 to version 11 made it less useful for LaTeX

This problem is SOLVED by printing the offending text components using white color. In other words, when I use ...
• 1,104

### NDSolve with Piecewise gives the incorrect answer randomly

Taking the OP's clue that starting at x[10^-100] == 0 solves the problem, we can try explicitly setting the derivative value at ...
• 237k

### Quantity and Trig functions

As noted in the comments, one might consider avoiding UnitConvert[] for this purpose: ...
Accepted

### AnimationRate not a Manipulate option?

As pointed out by Mr.Wizard, AnimationRate is not an option of Manipulate but of the particular controller. Namely, the correct ...
• 183

### Behavior of 1.2 ∈ Rationals changes in v9?

I confirm that versions 5.2 and 8.0.4 return False for 1.2 ∈ Rationals: ... while the latest available versions don't: ...
• 61.9k

### Delete duplicates in a set of Data?

n=10; Flatten[DeleteDuplicates[Table[If[PrimeQ[p] && p + q == 2 n, Sort[{p, q}], Nothing], {p, 3, 2 n}, {q, 1, 2 n - p}]], 1] {{3, 17}, {5, 15}, {7, 13}...
• 8,776
Accepted

### Ordering elements of a list

In answering this I am assuming we have the picture and the labels and would simply like to sort using approximate coordinates for the labels: ...
• 13.5k