A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Questions on the use and creation of meshes including the use of MeshRegion, ElementMesh, and TetGenLink.
mark questions about nonlinear differential equations, `NonlinearModelFit`, and related to nonlinear dynamics.
459 questions
Since version 7, Mathematica includes gigabytes of curated data relevant to many different fields, including physics, chemistry, graph theory, finance, geography and many more.
Questions on the associative data-structure introduced in Mathematica version 10.
438 questions
Questions involving defining, training, executing, importing and exporting neural networks.
Questions on Mathematica's scoping constructs (Block, Module, With, etc.)
422 questions
Questions related to displaying identifiable labels in graphics or any other expressions, such as in AxesLabel and Labeled. Not to be confused with Goto-Label.
416 questions
Questions about Mathematica's date and time functions.
Questions about the function Assuming[], the $Assumptions system variable, and the Assumptions option of functions such as Simplify[] and Integrate[].
385 questions
Questions on assigning and unassigning definitions to names that represent them, including issues raised by context and localization. Use tag [assignment] for issues relating to Set versus SetDelayed.
Questions on obtaining files and directory structure/information and manipulating the said structure/information, searching/renaming particular files in a directory, etc., in an OS independent manner.
371 questions
Questions about Mathematica's functional programming style, including the use of pure functions (Function[], #, &) and functions such as Map, Apply, Nest, and Through.
366 questions
Questions on the use of Mathematica in combinatorics, including the Combinatorica add-on package.
Questions about programming or mathematical constructs that enable verification, selection, or branching behavior when one or more criteria are determined to be True.
Questions on trigonometric and hyperbolic functions, as well as their inverses, in Mathematica.
Questions about the Piecewise function, which is represented by different expressions for different ranges of values of its independent variable.
338 questions
Questions about RAM usage, including optimizing memory use, avoiding and fixing leaks and releasing unused memory.
334 questions
for questions that involve tensors. Tensors are fundamental tools for linear computations, generalizing vectors and matrices to higher ranks. Mathematica 9 introduces powerful methods to …
Tag for questions about building histograms in Mathematica. Apart from generating the graphics, and prettifying them, this also includes methods to extract their data.
327 questions
Customizing interaction, the front end, or other aspects of Mathematica manually or programmatically.
321 questions
Questions about Mathematica arrays, or implementing array data-type functionality, i.e, collections of regular dimensions containing elements that can be accessed by standard (computable) indices.
317 questions
Questions about cells and functionality related to cell structures, or the notebook cell hierachy which serves to organize the information in a Mathematica notebooks. This includes questions related t…
310 questions
Questions on the number-theoretic functionality of Mathematica.
Questions dealing with the relative uncertainty in the values computed, stored, or manipulated by Mathematica.
309 questions
Questions about applying functions or operators to expressions, especially constructs that take advantage of Map (/@) functionality.
306 questions
intended for the review and improvement of style for already functioning code. It not meant to change the objective of the code.
304 questions
Questions about algorithms used or which might be used to implement a procedure known by name or loosely but not in detail. The subject of the question may be a procedure mentioned in the literature o…
297 questions
Questions about applying a consistent look or form to Mathematica output, including use of the built-in styling constructs (Style, PlotStyle, etc). For questions specific to styling in notebooks with …
Questions about producing vertically and horizontally aligned output.
289 questions
Questions on the sorting/ordering functions of Mathematica (Sort, SortBy, Ordering, etc.).
Questions relating to working with textual information: textual analysis, data mining, etc.
283 questions
Styles define how Mathematica notebooks, cells and expressions are formatted, displayed, evaluated and interacted with.
283 questions
the back-end application thread that does the actual evaluation of all non-graphical expressions. It can be accessed directly through the console but is more commonly working behind the…
279 questions
Questions about making your own documentation similar to the built-in documentation style. Also about finding things in the documentation, working with the documentation, errors in the documentation, …
277 questions
Questions relating to the importing, exporting, and extraction of data from PDF files
277 questions
For questions regarding the underlying implementation of built-in functions.
276 questions
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