Questions tagged [external-calls]

Questions on calling external executables, not necessarily through MathLink.

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62 views

Interfacing Mathematica with Tableau desktop

Are there any known methods or examples of connecting Mathematica with Tableau in any fashion? Unidirectional or bidirectional, either would be a valid solution. Something like RLink/MATLink or ...
2
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0answers
61 views

How to call the function calculation result of Magma in MMA

Magma is a very useful abstract algebra calculation software.How to call the function calculation result of magma in MMA? ...
2
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1answer
63 views

InstallR fails on MacOS 10.15 (Catalina)

Here is code I evaluated and the error message: ...
6
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1answer
85 views

ExternalEvaluate[pySys, pyCmd] evaluates to Failure[…]

ExternalEvaluate[pySys, pyCmd] evaluates to Failure[...] every time pyCmd contains some ...
2
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0answers
45 views

Failed to start python external session

I use Wolfram Mathematica 12 on Windows 10. Whey I try to register external evaluator RegisterExternalEvaluator["Python", "C:\\Python27\\python.exe"] it fails ...
3
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0answers
59 views

Calling custom function from C++

I'm programming a project where I use multivariate symbolic polynomials. At some point I need to perform a PolynomialMod over a prime modulus, but the library GiNaC which I use works only over the ...
10
votes
1answer
219 views

How to display images inside Mathematica with matplotlib

How to display images inside Mathematica with matplotlib. A new window is generated by default, but is it possible to display the picture directly in the notebook? Like this: related: How to ...
2
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0answers
98 views

How to call an old build-in function in a new version of Mathematica?

In order to use the UnitStep of Mathematica 5.2, I have to install two different versions 5.2 and 11.3 at the same time because ...
4
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0answers
49 views

Run computation in separate process and kill it after a time limit

I am looking for a solution to run a Mathematica calculation in a separate process (separate kernel) and cancel the computation after a given time. If it cannot be cancelled, then just kill that ...
8
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1answer
97 views

How to extend External Language Input?

Is it possible to add a new option here and bind an evaluator? Is it possible to take SageMath, Matlab, Maple, etc. as examples to provide a complete process demonstration?
6
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1answer
228 views

How to open a Python interpreter input cell?

Something weird just happened to me: I mis-typed a keyboard shortcut, hitting the wrong keys, and a new notebook opened up with a Python prompt! Just for grins, I tried entering some simple Python ...
1
vote
1answer
80 views

How to run C and Mathematica repeatedly?

I use a C program to generate a ".txt" file, and import this ".txt" file into Mathematica to do some calculations and export these calculations. Due to limitation of data size in C program, I have ...
7
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0answers
135 views

How to call the Wolfram Engine from swift?

I'd like to call the Wolfram Engine within a swift project in Xcode. Are there any known methods or available resources on how to do this? I'm hoping to include it as a resource library for use inside ...
0
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0answers
57 views

Using Python in Mathematica : RegisterExternalEvaluator doesn't work

I followed this tutorial https://reference.wolfram.com/language/tutorial/ConfigurePythonForExternalEvaluate.html, installed zmq, restarted mathematica and put this code: ...
4
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1answer
62 views

NodeJS external session not returning value

I have setup my NodeJS session and performed the following test. I evaluate the following commands in ExternalLanguage cells. <...
4
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1answer
69 views

How to use console.log() in the new NodeJS external language Cell functionality in version 12.0?

If I type the following Mathematica returns nothing. Requesting Information[%] seems to indicate that the operation $Failed. I ...
0
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0answers
43 views

Unable to import local Python module to ExternalEvaluate session

Ever since upgrading to Mathematica 12, I have been unable to import a local module in Python that I need for an ExternalEvaluate session. Here is what I have that worked perfectly in Mathematica 11 ...
1
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1answer
86 views

Question regarding Run command in Windows

This line below in the cmd shell unzips the content of a zip file D:\zips\test.zip in the folder C:\Users\mike\Desktop\test: <...
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0answers
45 views

RegisterExternalEvaluator with command line options

I'm trying to register NodeJS as an external evaluator in Mathematica 12.0. This works fine generally speaking. (i.e. following https://reference.wolfram.com/language/workflow/...
18
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3answers
548 views

How to use the library exported from FunctionCompileExportLibrary outside of Mathematic (e.g., in Visual Studio)?

Mathematica 12 has a new function FunctionCompileExportLibrary, which can export a pure function as a .dll file like this: <...
21
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1answer
1k views

How can I use the Python library networkx from Mathematica?

Is there an easy way to access the Python library networkx from Mathematica? The improvements to ExternalEvaluate in Mathematica 12.0 should make this feasible.
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0answers
73 views

Difficulty with ExternalEvaluate

I am trying to import a Python function or execute a Python script from inside Mathematica, but the ExternalEvaluate command drives me nuts. I proceed cautiously ...
2
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0answers
93 views

Is there a API to scrape WhatsApp?

Is there an API to scrape WhatsApp messages into Mathematica? Either doing it directly in Wolfram Language or using some python API and WL's ExternalEvaluate. All ...
1
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0answers
29 views

Connect to running external session?

Is there some way to connect to an already running process in the same way that StartExternalSession starts a process?
1
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0answers
128 views

How can I efficiently call an external Python script that needs to run continuously?

I am writing a Mathematica program that tries to run 100+ Python programs, via StartProcess[], continuously. It seems to work when I run < 100 programs, but, at ...
1
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0answers
292 views

Can't register python in ExternalEvaluate

I had Anaconda 3 installed on my system and python registered with the following link: RegisterExternalEvaluator["Python","C:\\Users\\atfai\\Anaconda3\\python.exe"]...
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0answers
148 views

How can I ExternalEvaluate Python with tesseract?

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0answers
45 views

ExternalEvaluate Python print is printing an extra empty cell with newline

When using print command in ExternalEvaluate["Python","print(1+1)"] or ExternalLanguage cell using >, there is always an extra ...
3
votes
2answers
375 views

Is it possible to call Windows API function to Read/Write INI file directly?

I want to create a function to read or wirte windows *.ini files, so I plant to call GetPrivateProfileString and ...
4
votes
1answer
407 views

How to register Anaconda3(Python3.7) as external evaluator enviroment?

I have installed Anaconda3 (version 5.3.1 for Windows with Python 3.7, 64-bit) as the Python working enviroment, but when trying to register it as an external evaluator, it ...
6
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1answer
114 views

How to use VBA types with UNDERLINE in it's name in NETLink?

When coding with VBA functions in NETLink, I need the enum reference. It's ok to get the ...
0
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0answers
73 views

problem with calling external “gdrive” command line tools

I am on linux. There is command line tool called "gdrive" that can handle google drive upload and download. It's github address is https://github.com/prasmussen/gdrive . But I got problem calling ...
1
vote
1answer
134 views

Python module attributes not recognised in ExternalEvaluate

I have Python installed and running properly. I have a file called test.py with contents c = 5 When I go to the file's ...
6
votes
0answers
61 views

RunProcess not working on Windows (looking for information on this problem)

I am the author of the MaTeX package, and occasionally I receive support requests from users in e-mail. By now I believe I have ironed out virtually all bugs in MaTeX, and worked around most ...
2
votes
1answer
137 views

LieArt — 8 dimensional Irreducible representation of $\mathrm{SO}(8)$ and their decompositions - No.2

This is the followed up question of LieArt --- 3 different 8 dimensional Irreducible representation of SO(8) and their decompositions, Since $$ \mathrm{SO}(8) \supset \mathrm{SU}(2) \times \mathrm{...
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0answers
129 views

LieArt — 3 different 8 dimensional irreducible representation of $\mathrm{SO}(8)$ and their decompositions

I am using the LieArt which you can download freely online https://arxiv.org/pdf/1206.6379.pdf There are three different 8 dimensional $\mathrm{SO}(8)$ irreducible representations, formally it is ...
2
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0answers
33 views

Create a ProcessObject for a process not made with StartProcess

I am launching and linking to Mathematica from an external process and would like to be able to create a ProcessObject for the launching process that will support <...
1
vote
1answer
64 views

How to pass an “enter” to the external application?

I have been trying to make an .exe file that I have become more automated by using Mathematica, but I am having trouble getting it to work. The file is based in ...
7
votes
2answers
277 views

Control a Mathematica kernel from the front-end and from python

I'd like to be able to start and control a Mathematica kernel/front-end from python and be able to evaluate things in a notebook and query results on the python side too. Is this possible?
12
votes
1answer
291 views

Using ImageJ filters directly from Mathematica through J/Link

tl;dr I am looking for a short but complete example that shows how to apply an ImageJ filter to a Mathematica Image through J/Link. Fiji/ImageJ is one of the ...
9
votes
1answer
165 views

How to display images and plots from ExternalEvaluator?

I have a conda python 3.6 environment registered as the default ExternalEvaluator with numpy, matplotlib, cv2, and PIL installed: I'd like to show images and plot ...
5
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0answers
44 views

Dynamically access variables in external session?

I tried to get a value from a python session to show up in a dynamic cell: First run: ...
8
votes
2answers
123 views

How to add new python type translation to ExternalEvaluate?

Seems like Mathematica can only import basic types (lists, numpy objects, etc). Is there a way to tell Mathematica how to understand arbitrary python objects?
3
votes
1answer
39 views

How to delete certain item(s) returned by FindExternalEvaluators[]? [duplicate]

I have tried UnregisterExternalEvaluator only to find that the item's state "Registered", changed from True to ...
5
votes
1answer
194 views

Run Does not Work

Hi I would like to use the terminal code OCR softwar, called: Tesseract Optical Character Recognition (OCR) Here you have a nice description of how to set it up: http://chillyfacts.com/convert-image-...
0
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0answers
73 views

RunProcess PowerShell command to obtain Active Directory groups

Is it possible to run this Windows cmd command in RunProcess? ...
3
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0answers
154 views

Running latex via `RunProcess` or `ExternalEvaluate` fails in Ubuntu 18.04 due to `ZLIB_ 1.2.9' not found

I want to compile some latex documents programmatically. But one error is spoiling my whole pipeline that works in Windows. How to reproduce: Install texlive on ...
2
votes
1answer
89 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
0answers
49 views

Running an external (C++) program with a parameter file

I want to run an external piece of code, which takes in a parameter file. It's structured like: param1 1.0 param2 0.0 param3 2.0 param4 0.5 I want to execute ...
2
votes
0answers
26 views

How to use “Segment” in “GoogleAnalytics” service connection?

I‘m trying to make a GA request using the "Segment" parameter but as the the Wolfram Documentation states, Segment ID must be an integer: segments the data returned for your request; accepts an ...