50 votes
Accepted

What is the relationship between Mathematica and Wolfram Desktop?

For the TL;DR crowd The Wolfram Cloud is envisioned as the precursor to the omniscient central computer often depicted in science fiction. It runs on the Wolfram Language (WL) and the Wolfram ...
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  • 8,382
21 votes
Accepted

Font style in Mathematica and .tex file

You can match formatting between Mathematica figures and LaTeX using a small package I just wrote for using LaTeX-snippets in Mathematica: MaTeX. Here's an example: ...
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  • 227k
16 votes
Accepted

Detect if code is running in the cloud

You are looking for $CloudEvaluation system variable. For example: $CloudEvaluation (* False *) and ...
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12 votes
Accepted

Installing packages on "Mathematica Online"

In general, packages need to be placed in the Applications directory within $UserBaseDirectory. ...
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  • 227k
9 votes
Accepted

Frequency Response

In Mathematica, you can work with the function h(z) directly, since Mathematica is symbolic based. In other words, while in Matlab one needs to work for numerical ...
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  • 112k
9 votes

How to use Mathematica in AWS cloud?

Install version 11.3 of the player, write your script.wl and run wolframscript -f script.wl If you want a GUI check https://...
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  • 1,970
8 votes

Labeling points in 3D plot

There is something deeply unsatisfying in using Text in 3D graphics, and I think the poster agrees, having requested to "show only certain points". Let me ...
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8 votes

Mathematica Online, annoying braces

This old problem is solved, at least on the wolfram development platform. I guess it's the same for Mathematica Online & Co. Tried on Chrome. Edit (08.02.2019) : It works on Firefox now ...
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  • 17k
8 votes

program a wall in which an object can not pass

Before making a move, test if the new position is a valid position. A valid position is one where Pac-Man does not touch the walls. Mathematica has convenient functions that deal with regions, so we ...
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  • 68.9k
7 votes

program a wall in which an object can not pass

Here's a maze for the pacman to operate in (which is taken from here) ...
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  • 65.8k
7 votes
Accepted

How to deploy a notebook cell into my website

This so called "cloud cdf" (which should probably be abandoned) is clunky and slower than a turtle, extra points for a way to increase fps. Only a faster internet connection can save you as almost ...
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  • 133k
7 votes
Accepted

Is there an alternate way to calculate beyond the memory limit of the home edition?

As mentioned in the comments, here's the answer to how I got the median. I found the value $y$ that minimized $$ f(y) = \int_0^1 \left| 2^x-x-y \right| dx. $$ First, to break up the absolute value ...
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  • 33.2k
6 votes
Accepted

Build API without the WolframCloud?

Currently APIFunction / CloudDeploy works only with the Public Cloud or an Enterprise Private Cloud. So either you need an EPC ...
6 votes
Accepted

Labeling points in 3D plot

An alternative ...
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  • 34.6k
6 votes

How do I find and plot the intersection of these three surfaces?

You can use region functionality for this. Here is the intersection of the boundary of the cylinders: ...
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  • 124k
6 votes

How can I iteratively add elements to a list

You can Map the DateObject[] function onto each member of your watchdates list like in ...
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5 votes

How do I display my weather data in JSON format from Wolfram Mathematica API?

The : is used for named patterns, it's not part of any key-value data structure in Mathematica. You will not find it used in the way you propose anywhere in the ...
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  • 68.9k
5 votes

How to install LieART and other packages with Mathematica Online

Installing packages and applications works the same way in Mathematica Online as with the desktop Mathematica. Place the package directory into the following location: ...
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  • 227k
5 votes

How to draw Cantor function in mathematica

It's working just fine, f[x_] := 1/2 x + 1/2*CantorStaircase[x] Plot[f[x], {x, 0, 1}]
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  • 11.7k
5 votes

How do I find and plot the intersection of these three surfaces?

You can show the lines corresponding to intersection of pairs of three surfaces using the option BoundaryStyle. You can get the points where all three surfaces ...
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  • 350k
5 votes

Getting a fimbriated plot

First, I think your code should be corrected to; ...
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  • 106k
5 votes
Accepted

Mathematica failing to simplify ratio of pi-notation finite products

Clear["Global`*"] Apparently, Mathematica doesn't have a rule for this case. Add one. ...
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  • 123k
4 votes

Labeling points in 3D plot

ListPointPlot3D supports the wrapper Callout, generating automatic labels for points: ...
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  • 63.5k
4 votes

Labeling points in 3D plot

Few fixes to your code: As is, your code specifies the position of labels as 2D coordinates. i.e., the the last 2 coordinates (#[[{2,3}]]) of data points. Since ...
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  • 350k
4 votes
Accepted

Mathematica Online Editing Performance

From the file browser that is shown on login: Preferences->Evaluation->Output Cell Format->Always Use Bitmaps. For notebooks, suppress as much output as possible, and shorten input cells as much as ...
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4 votes

program a wall in which an object can not pass

here is an idea..crude but may show how to proceed. ...
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  • 38.4k
4 votes
Accepted

How to install MaTeX on Mathematica online?

MaTeX relies on an external TeX system. Since this cannot be installed in Wolfram Cloud, MaTeX would not be usable either.
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  • 227k
4 votes

How do I find and plot the intersection of these three surfaces?

...
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