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2d
awarded  Necromancer
Jul
6
comment Demonstration Confusion
That worked perfectly, so the question is answered. Thank you Michael E2. Now it would be desirable for Wolfram and the user community to spread the word to others who might be perplexed by this. Next up, there are other aspects of demonstrations that ought to be updated to fit with Wolfram's evident and praiseworthy new focus on user friendliness.
Jul
6
awarded  Scholar
Jul
6
accepted Demonstration Confusion
Jul
5
comment Demonstration Confusion
I was hoping to find a simple answer that would enable new users, who naturally lack special knowledge about, for example, the constraints involved in building demonstrations, to make use of such demonstrations in a straightforward way. New users are among those who might particularly benefit from studying well-written demonstration code. I am no longer a new user: I have been using Mathematica for 4 years, including using it essentially full time during the first year. Nevertheless, when I posed my question a few days ago I had not yet figured out how to access demonstration code reliably.
Jul
3
awarded  Curious
Jul
2
comment Demonstration Confusion
Michael E2, your suggestion worked, but only after I selected all the code with the Select All menu command. Could you please create an answer from your comment? Thank you.
Jul
2
comment Demonstration Confusion
Bill, thank you. I found clicking on those little thingies (which have neither general nor specific names) difficult. Also, as far as I can see, it would have to be done for each hidden code block. But I am not aware of a way to know that there is hidden code in every block, and there are a good number of blocks. So, no, that is not yet a useful answer.
Jul
2
asked Demonstration Confusion
Jun
23
comment What are the Wolfram Language's relative strengths for machine learning?
How do you "import a mixed set of columnar data" and get MMA to automatically choose preprocessing etc?
Jun
10
comment Why Mathematica cannot apply The Fundamental Theorem of Calculus automatically?
Bugs are universal. Regressions happen. What bothers me is that Wolfram keeps all this under wraps until someone posts a question here. Then there is an unofficial answer by a company insider. Why does Wolfram not just periodically publish a list of known issues and their status?
May
21
comment What are the most common pitfalls awaiting new users?
I'm sure you are right. My answer is only about understanding what is going on with the language. New users often type in things which don't work, and then get more confused when Mathematica returns answers that they find incomprehensible.
May
13
awarded  Explainer
May
12
revised What are the most common pitfalls awaiting new users?
Fixed "How to use both initialized and uninitialized variables" index entry title
May
12
revised What are the most common pitfalls awaiting new users?
Put headline into h2 style
May
12
answered What are the most common pitfalls awaiting new users?
Apr
12
comment Why does a comma insert a line break in a comment?
sacratus, considering your observation about (*" maybe the solution is for the front end's word-wrap code to treat comment text as if it were literal string input.
Apr
12
comment Relaxation of Mass-Spring System with Pinned Masses
The built-in Minimize function is a "black box" which, it seems to me, is not really able to find the lowest result in every possible kind of problem. Here is another easy way to minimize the energy in a system like yours: make a small random change in the position of one particle, do a test evaluation, and retain the change if it brings about a lower value for the energy, otherwise undo the change. Repeat this until the energy fails to decrease over a suitably large number of iterations. But if you prefer not to use any randomness in finding an answer, there are still several other methods.
Apr
12
comment Why does a comma insert a line break in a comment?
Michael E2, I had not thought about formatting for commented-out code. Maybe the comma-wrap behavior is related to that. Still, there should be a better way to make commented-out code look acceptable, don't you think?
Apr
12
revised Why does a comma insert a line break in a comment?
fix typo