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General guidelines and best practices for Mathematica usage and programming.

74 questions
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I'm writing a package A. However, package A depends on package B (Mathematica), which the ...
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6 votes
1 answer
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Does Mathematica have a handbook or other introductory material on machine learning? Or are there any books on analyzing machine learning with Mathematica?
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9 votes
2 answers
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I have been using Mathematica for almost a year now and I am still learning about functions that make me kick myself for not knowing earlier. For example, I wish I had known about the functions ...
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4 votes
1 answer
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I am working on creating a demonstration and came across an instance where my code works fine on my machine locally but breaks down when deployed to the cloud (so that it can be publicly accessed). I ...
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1 answer
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I was taking a look at WolframEngine. The fact that it is freely available, virtually making Wolfram tools and language accessible to anybody is very much attractive! Nevertheless, the first impact ...
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7 votes
1 answer
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I thought I had a pretty good handle on Dynamic, but some recent examples have made me suspect that I may have some misconceptions, and I am not finding good ...
Kevin Ausman's user avatar
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37 votes
2 answers
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Atomic but sophisticated expressions are all around for a long time: Graph SparseArray. More are coming with each new release, ...
Kuba's user avatar
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15 votes
2 answers
505 views

Is there a reason to use Hold* attributes for functional code (e.g. no intention to mutate input)? I'd expect performance gains as in pass by value vs pass by ...
Kuba's user avatar
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8 votes
1 answer
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I am working in a package on symmetric functions, that sometimes are quite expensive to compute. I use memoization extensively, but what is the correct approach for a package intended for the public ...
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13 votes
4 answers
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I have a package with many functions. There is an option name that several functions share. I feel that the current name of this option was not the best choice. I would like to rename it, but at the ...
Szabolcs's user avatar
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6 votes
1 answer
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Let's say I have a column to display and each of its items can be hidden separately. Question: Is there a way to make it work without re-rendering whole column whenever a particular item is hidden? ...
Kuba's user avatar
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3 votes
1 answer
161 views

In this question: Options which require RuleDelayed , an example was given, where the an option has to be given as a RuleDelayed: ...
Johu's user avatar
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33 votes
5 answers
2k views

Often new users face problems with lingering definitions that, if unaware, may cause unexpected and frustrating behaviour. There are several answers that illustrate different aspects of the solution, ...
rhermans's user avatar
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6 votes
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I am a physics major. I focus on theoretical and mathematical physics. After spending some time with Mathematica I found that it is not straightforward to create separate files for logically distinct ...
Subho's user avatar
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I moved the second issue to a separate topic: 162013 Please run the code sample As you can see there is a delay between the moment the calculation is finished and when the graphics is shown. And ...
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