Questions tagged [scripting]
For questions about Wolfram Language Scripts (formerly known as Mathematica Script), or running the kernel without direct user interaction.
4
votes
2answers
52 views
How to copy a string to the clipboard from a script?
How to copy a string to the clipboard from a script?
I want the wolfram script to copy a string to the clipboard.
Unfortunately the following script fails to do this.
The same code works perfectly ...
0
votes
1answer
76 views
Animate particle's trajectory
Does anyone know how to animate the trajectory of a particle, but make sure before the particle reaching a certain spot, there's nothing. I mean I want to make an animation that look like https://en....
2
votes
1answer
123 views
How can I test my machine learning model on a machine with no Mathematica?
I need to test my machine learning models that I’ve built using Predict on 100,000 observations. The problem is that the machine where the testing is done doesn’t ...
1
vote
3answers
129 views
Another way to calculate frequency from Fourier transform
I have some trouble with calculating frequency after Fourier transform.
My code:
...
2
votes
1answer
30 views
How to use InputForm for printed and output expressions in console mode
When I run Mathematica in console mode (math.exe/wolfram.exe) without a GUI frontend, then printed and output expressions are (...
2
votes
0answers
50 views
Not getting any output from mathematica script
I am completely new, so this question may be trivial, but I can't find any answers in the Wolfram documentation.
I am playing around with scripting in Mathematica, but I cannot seem to get any type ...
2
votes
0answers
28 views
How to have batch script wait for free licence before executing?
Is there any way to make a mathematica script (that I'm running in batch using HTCondor) wait until there is an available licence before executing? Several of my scripts are returning nothing but ...
2
votes
0answers
54 views
Convert .nb to .m with a single script or command line in linux [duplicate]
I have some scripts in ".nb" format and I am more used to launch them in Linux command line in Linux but I need them in ".m" format.
Usually I open the ".nb" script with the Mathematica Notebook and ...
4
votes
0answers
43 views
Detect if running in a script
Is there a reliable way to detect if the current code is running within a script?
Note that there are multiple ways to run a script, such as
...
0
votes
1answer
54 views
Beginner's Problem [closed]
Suppose I have an expression like $7zz_1+5zz_1-\frac{7z_1}{y}+\frac{5z_1}{l}$. How do I convert it to $7(z-\frac{1}{y})z_1+5(z+\frac{1}{l})z_1$. Please help.
2
votes
1answer
23 views
RunProcess returns a confusing error message when using ProcessDirectory options
Here is one way to find the names of the files in one's home directory:
FileNames["*", "~"]
(* { "~/.account", "~/Applications", "~/.bash_sessions", ... } *)
...
3
votes
0answers
64 views
Command line arguments to wolframscript interact strangely with -file option
In order to avoid script-defined command-line arguments clashing with existing arguments to wolframscript, it appears you are supposed to use the ...
5
votes
3answers
103 views
How to avoid running code when a script is imported as a package?
In Python, the boilerplate line if __name__ == "__main__": defines a code block that should be executed when the code is run as a script, but not when imported as a ...
3
votes
0answers
42 views
Using an existing local kernel when launching from command line
I am trying to setup a web interface to a couple of Mathematica scripts, which in itself is quite simple:
...
3
votes
1answer
87 views
How to execute a Mathematica notebook in a shell script to produce plots/graphics [duplicate]
I want to produce some plots/graphics for a large amount of data on a computing cluster in a high-throughput way. I'd like to do this by piping results through Mathematica where I'd apply some post-...
7
votes
0answers
148 views
Wolfram Script Console Doesn't Close Automatically on Windows
I'm not exactly sure how Wolfram Scripts are supposed to work. So I wrote a simple one to configure MaTeX for me so that all I have to do is double click it on a system where I've installed ...
-2
votes
2answers
50 views
How do I plot the PDF of a Mixed distribution with the following parameters?
m = FindDistribution[d2, 1]
MixtureDistribution[{0.719504,0.280496}, {NormalDistribution[-4.85601, 2.63207], NormalDistribution[-2.7934, 0.845561]}]
I need to ...
3
votes
0answers
50 views
Launching kernels… freezes
I'm running a Mathematica script on a remote machine (via ssh connection). I log on the machine and I execute math -script algorithm.m and this message appears
...
1
vote
1answer
96 views
How do I create 3d plot of a sigmoid or linear function in 3d?
How can i plot a 2d function (y=x) in 3d with decaying z values. Something like this
One side of the curve can be flat at max too,like the right side, I am mostly interested in decaying values ...
0
votes
0answers
45 views
Save output of Mathematica batch job to file
bsub "math -script input.m > output.out"
runs the Mathematica command in input.m as a batch job and should print the output ...
3
votes
0answers
93 views
Passing UTF-8 to wolframscript on the command line
I am trying to use Unicode input to wolframscript -c, like so:
$ ./wolframscript -c '1/∞'
â^(-1)
The source of this behavior ...
2
votes
1answer
151 views
Wolframscript output not evaluated
Edit: I made a stupid mistake, see answer below
Whenever I execute wolframscript code from the command line, my Print[] output ...
4
votes
0answers
58 views
Processor Detection Problem with Mathematica in Linux command-line
Here is the problem, there are two ways to launch Mathematica in Linux:
Double click a notebook file in Desktop (GUI mode).
It gives:
$ProcessorCount
(* 4 *)
...
0
votes
0answers
31 views
what does & mean in mathematica? what's its usage? [duplicate]
when I type 1 & 8
I get this: 8 (1 &)
why do I get this output?
and when I type f[#,a]&x, the output is x (f[#1,a]&)
1
vote
1answer
69 views
RunProcess and Ghostscript problem
I have created a pdf from two plots with GraphicsColumn and now I need to get rid of the extra whitespace on the sides. Don't use ...
1
vote
1answer
117 views
Accessing the front end from wolframscript
I am trying to write a wolframscript script to produce PDF versions of notebooks. I understand that to do this, I have to open the notebook, and only a frontend can open a notebook. However, depending ...
0
votes
2answers
93 views
My code for iterating GPS receiver location doesn't work [closed]
This is a line of code i've utilised in order to iterate for GPS location i've tried to base it off this guys code,
https://math.stackexchange.com/questions/1445808/newton-raphson-method-in-gps?...
0
votes
0answers
99 views
Save Notebook as Wolfram Script?
It is possible to automatically save a notebook as a Package (see https://mathematica.stackexchange.com/a/1370/5340). The generated package file only contains the cells marked as Code.
This has the ...
1
vote
3answers
107 views
How to solve differential equations in for loop in mathematica?
I have a system of differential equation for which I want analytical solution. Let say my equations are -
x'[t] - X[[i]]*y[t] == 0,
y'[t] + X[[i]]*x[t] == 0
...
1
vote
0answers
39 views
RandomVariate without zero
I want to get 10 random numbers drawn from a Poisson distribution with mean 1. But I do not want to include 0 in this. When I do
...
1
vote
0answers
71 views
Parallel execution in $2 \times 4$ kernels
Let's say I have 8 CPUs available on a single node.
I want to run two instances of the same script (from command line with wolframscript in args > out &) on that node in parallel.
Is there a way ...
1
vote
0answers
79 views
Programmatically generate wolfram language script (.wls) file from notebook (.nb) files [duplicate]
For a better integration with git version control, I'm looking for a way to programmatically generate .wls file from existing notebook .nb files, given the path to a specific notebook file ...
7
votes
2answers
427 views
wolframscript — How to print in color
I want to print to the console in color from a wolframscript. I tried just using a Style:
...
2
votes
1answer
431 views
CMD method to convert .nb file into .m file
.nb file consists of the boxes, and the .m file is a pure text file, what can help to share on GitHub. Of course, we can open a <...
2
votes
2answers
325 views
How do I get the script directory when running a wolfram script from the command line with wolframscript without -script in Mathematica 11?
This is basically Analogue of NotebookDirectory[] for scripts (to get the directory path of my script.m)? or Write a mathematica script that returns the absolute path to its directory or How to set ...
4
votes
0answers
56 views
Feedback for my autosave-script
last evening Mathematica crashed and hours of work were gone, because I forgot to save my notebook. During homework today I just pressed Ctrl+S every few minutes, to make sure that I don't loose my ...
5
votes
2answers
342 views
How to export graphics to SVG in script executed through cron?
I have a Wolfram script that generates plots, and exports them by evaluating expressions of the form
Export["/path/to/some.svg", myPlot];
The script works as ...
0
votes
0answers
47 views
Arg function very slow
In this thread Argument of complex number with a variable I asked the question how to get the phase of a complex expression with one single real and positive variable.
In principle this is solved but ...
1
vote
1answer
44 views
Argument of complex number with a variable
I want to evaluate the following expression
Arg[E^((0. + 6.66667*10^-12 I) omega)/(4 - E^((0. + 2.*10^-11 I) omega))]
where the variable omega is real and ...
4
votes
0answers
99 views
Wrapper for mathematica code with GUI
I have a code written in Mathematica. What I am trying to do is to write a wrapper (say using Python) that will take user input for the Mathematica code, run the code, and create output.
I do not ...
0
votes
0answers
223 views
Normalize a complex matrix
I have a complex matrix say,
M={{a+bi,c,c,d},{0,a-di,c,d},{d,c,a-di,0},{d,c,c,a+bi}};
Normalize[M]
I attempted to normalize this symbolic matrix with Mathematica ...
5
votes
0answers
183 views
WL and WLS textformatting
I am really happy with the new wls (Wolfram Language Script) files. I somewhat abuse the file format, I use them instead of the regular Notebook files. The advantage is that they do not store the ...
0
votes
1answer
74 views
Script not executed from command line on window
I have a simple test.m file:
(*--- file test.m -------*)
Print["Testing"]
Integrate[Sin[x],x]
(*---- end of file ------*)
And I executed it in command line (...
0
votes
0answers
85 views
Keep kernels alive in parallel evaluations of several scripts
I have written a parallel script file that after initializing the kernels it puts the result of some computation in a file. I provide some external parameters to the script. I would like to run the ...
1
vote
1answer
205 views
Why does Mathematica WolframScript get file fail? [closed]
I use Mathematica 11 and create a project containing two files: a package file named MyPackage.m and the other named run.m. The ...
0
votes
0answers
22 views
Getting input file name and directory with wolframscript [duplicate]
I have the following script:
$ cat mathtest.m
pardir=DirectoryName @ $InputFileName;
Print["test parent dir: ", pardir]
If I run it like this, I get:
...
2
votes
0answers
104 views
Wolfram Script as a Scheduled Task on Windows Server
I have a wolfram script file (.wl) that processes a csv file and generates a PDF output. I have written a PowerShell Script which checks for new input data files and runs the wolfram script file over ...
0
votes
0answers
321 views
How to run Mathematica source code in Linux command line when some external file need to be imported and the result need to export?
I want to run a short code like that in the linux command line
...
5
votes
1answer
149 views
How to recover WolframScript's former `-run` functionality?
With the 10.4 version of WolframScript, I could run something like
...
1
vote
1answer
48 views
Turning a NB into a Repeatable Script?
I am interested in "automating" the following notebook file so that I can execute it many times to generate many plots.
...
