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://...
- 2,040
8
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 ...
Kuba♦
- 136k
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 ...
- 865
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 ...
- 17.8k
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 ...
- 70k
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)
...
- 68.3k
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 ...
- 35.5k
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
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:
...
- 130k
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
...
- 336
6
votes
Accepted
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}]
- 11.9k
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:
...
- 233k
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 ...
- 70k
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 ...
- 384k
5
votes
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.
...
- 152k
5
votes
How to install NCAlgebra to Mathematica Online
Seems like the online Java engine will not let you unzip the file. Unfortunately I do not have access to online MMA, but if you can upload files I would recommend you simply download the package from ...
- 1,981
5
votes
Solving equation by mathematica and Finding value of b in an equation
Clear["Global`*"]
Evaluate the integral once
...
- 152k
5
votes
How do I create cobweb iterations or stair steps **WITH ARROWS** to show attractive and repulsive fixed points for a graph?
If we have two functions that we're "bouncing" between, then at each step we can solve for how to move horizontally or vertically from one function to the other. We need to know whether for ...
- 24.6k
5
votes
Accepted
Horizontal version of Print[]
Updated to reverse the result of OP's loop
This makes a list (which needs to be reversed):
...
- 7,671
4
votes
Labeling points in 3D plot
ListPointPlot3D supports the wrapper Callout, generating automatic labels for points:
...
- 67.3k
4
votes
program a wall in which an object can not pass
here is an idea..crude but may show how to proceed.
...
- 38.8k
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 ...
- 1,955
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.
- 233k
4
votes
Accepted
How to find variance covariance matrix using mle estimates for a given data in wolfram?
Two of the maximum likelihood estimates are on the boundary which does not bode well for obtaining a reasonable covariance matrix. I think you might need better starting values or use a bootstrap to ...
- 40.6k
4
votes
Correct code for 4th differential equation
code and solve the following equation in mathematica.
d^2/dx^2(x^2d^2u/dx^2)+b^2u=0
One way is
ClearAll[x,u,b]
ode = D[x^2*D[u[x], {x, 2}], {x, 2}] + b^2*u[x] == 0
...
- 137k
Only top scored, non community-wiki answers of a minimum length are eligible