Questions tagged [python]

Questions about interfacing with, or features inspired or demonstrated by Python--a programming language featuring a dynamic type system, automatic memory management, and a comprehensive standard library.

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38 views

Gain function based on Bézier curves [migrated]

I'm looking for a gain function, for range 0-1, where the output goes from 0-1 but at different pace. Sure there are plenty of Log, Squares, sigmoids, tanhs but I was looking for something more ...
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2answers
37 views

Create list of functions, domains, and iterate over (compare to Python code)

In Mathematica, I want to do a mass export of many different animated plots of specific functions with different domains. Because I don't necessarily want the plots to always have exactly the same ...
2
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1answer
254 views

Python's ':' equivalent in mathematica

I need to translate these two lines to mathematica from python ...
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0answers
51 views

Missing Dependencies for Python

I have some python code that I'd like to try to use in my Mathematica notebook. I have tried following the setup guide but I have run into some trouble (Mac). The Mathematica setup documentation says ...
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1answer
72 views

How to call Python Methods from Mathematica employing ExternalEvaluate?

This question is about the compatibility of methods written in Python and ExternalEvaluate from Mathematica. ExternalEvaluate allows Python functions to be called from Mathematica. For example, the ...
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0answers
21 views

How to use conda environments in StartExternalSession?

I am trying to get a conda python environment to run in Mathematica under Windows. It includes the following packages (in case you want to reproduce): ...
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1answer
71 views

Run a code in Fortran, C++, or Python in Wolfram Mathematica 12 on Mac OS [closed]

I would like to run an external code, written in Fortran, C++, or Python, within Wolfram Mathematica 12 on my MAC OS. I looked up on Internet and I tried to read the WSTP documentation on Wolfram ...
4
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1answer
84 views

Importing Mathematica defined function in python to do further computations. [Mathematica-Python interfacing]

Say I have a function FUN defined in Mathemtica notebook: ...
6
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1answer
101 views

How to compress a string in Mathematica so that it can decompressed in python

I need to compress a string into some format so that I can pass it along on the command line and avoid writing it to file (which would require locking files to prevent simultaneous writes so I prefer ...
2
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1answer
83 views

Formatting Imported Complex Arrays from Python (csv. files)

Just a short question, I am trying to import a complex array (matrix) from Python to Mathematica by first writing to a csv. file. When I Import the csv. array to Mathematica it is in a form (matrix ...
6
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1answer
128 views

Performance of select from a 3d list - Mathematica slower than Python

I am creating a random 3d data set in Matematica 12.1. Then I am selecting all points that are in a certain range of one axis. The same I am doing in Python (same computer, Python 3.8.5, numpy 1.19.2) ...
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1answer
48 views

ExternalEvaluate Python: Cannot import local file

I am trying to use ExternalEvaluate for a Python session. For some reason I cannot import a file from there that I can import successfully when I call python some ...
4
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1answer
69 views

Exporting Associations (containing lists and strings as keys and values) to python dictionaries

Since Mathematica Associations are similar objects to python dictionaries I think there should be an easy way to export a Mathematica ...
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0answers
43 views

How to go from a Pareto Distribution in Scipy to a Pareto Distribution in Mathematica?

Assume that I have fitted a Pareto distribution via Scipy and have gotten the following parameters: ...
2
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0answers
64 views

Resources on python programming for Mathematica programmers

Are there any good guides to programming in python for people who are already very familiar to Mathematica. I understand that for some things the canonical python approach is different and it is good ...
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0answers
34 views

Kernel crashes on invoking Python prompt

Apologies if this is a naive question. A typing error keeps crashing the kernel. My typing error is to start a line with ">", unintentionally invoking Python. The problem is that this ...
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1answer
55 views

WolframClient Converting Output Of Solve To Sympy

I'm trying to convert the output of WolframClient to Python. Here's a toy example: ...
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1answer
67 views

Periodic Boundary Condition for a List

Please take attention to a list as: data={6,12,5,8}; It may be interesting in Python if i=0, then ...
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1answer
57 views

How to find a numerical solution for a differential equation with constraints?

I want first to apologize for my poor english level ^^ Let me present my issue. I want resolve numerically (I use Python) for x in [0;1] the following differential equation : $$dy/dx = a(y - y^2) $$ ...
4
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2answers
129 views

Wolfram Client Library: Cannot establish connection with Kernel in second Python function

I have recently started using the Wolfram Client Library (WCL) for Python in my Linux machine in order to automate running a Mathematica notebook many times. I have an Anaconda environment ...
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1answer
120 views

Adopt Mathematica codes for circumscribed and inscribed ellipsoids to related sets

Users Daniel Huber and Dominic have provided an interesting answer each to the question JohnEllipsoids of constructing circumscribing and inscribing ellipsoids for a certain three-dimensional convex ...
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0answers
66 views

What's going on in this Newton-Raphson algorithm?

I'm looking at this post, over on Mathematics SE. I'll summarize here: A signal with a known velocity, c is emitted by some source. We're given the coordinates of ...
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1answer
41 views

External evaluations — selecting one of several Python versions

I have several Python versions installed and registered to Mathematica: FindExternalEvaluators["Python"] When I run the following code which one of ...
2
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1answer
113 views

How to run Python script with an argument?

I want to run Python script with argument 'arg' > python app.py arg Without 'arg' it works like ...
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1answer
38 views

save a mathematica expression with Root[] as Python expression?

I want to convert a Mathematica expression that uses Root[] to Python (open to using sympy if needed). The expression is: ...
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0answers
43 views

How to run Facebook Prophet in Mathematica?

I would like to use the Facebook Prophet API for timeseries forecasting in Mathematica. I'm trying to make a function prophetM which takes a list of date, and integer pairs (or a Timeseries object), ...
3
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1answer
95 views

Issue while evaluating Mathematica expressions from Python [closed]

This is a follow up to my question posted here I am trying to run the code posted here as an answer in the above-mentioned link here from Python I tried, ...
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1answer
71 views

Problem while running Mathematica code from Python using wolframclient library

This is a follow up to my previous post here I am trying to run a function from Python using wolframclient. The input arguments are passed from Python as Python ...
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1answer
74 views

Passing python data types as function arguments

I've a few python data types ...
2
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3answers
219 views

How to use Mathematica from Python

I've been using the following lines of code to generate 3D geometry (ref). The inputs edges, vd, ...
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1answer
62 views

Solution for system of linear equations for unknown variables in Mathematica and Python

I have a system of linear equations (here 9) as below: $ 2 a_{\{1,2,1,2,2,1,2,1,2,2\}}+2 a_{\{1,1\}}=1, \\ \left(a_{\{1,2,1,2,2,1,2,1,2,2,2\}}+a_{\{1,2,1,2,2,1,2,2,1,2,2\}}\right)+2 a_{\{1,1,2\}}=1, \\...
5
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2answers
453 views

How to assemble Python abstract syntax trees (AST) in Mathematica?

I would like to assemble Python 'ast.Module' objects inside of Mathematica and then submit them to Python via e.g. ExternalEvaluate["exec(astObject)"]. ...
12
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4answers
286 views

Is it possible to call back to Mathematica when using Python through ExternalEvaluate?

ExternalEvaluate makes it possible to call Python code from Mathematica. The Wolfram Client for Python makes it possible to call Mathematica from Python. When using ...
3
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1answer
121 views

How to use Python's input() with External Evaluation?

I want to use input() in Python code which runs in the Wolfram Notebook. So I create an external evaluation cell by typing ">" and choosing Python. Then I define this function: ...
5
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1answer
164 views

Binary file that can be read by both, Mathematica and Python

I would like to analyze data set in both Matematica and Python. What is a time and size efficient format to store the data?
2
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1answer
113 views

FindExternalEvaluators['Python"] returns a blank box instead of the locations or python versions

I'm using Mathematica 12.0 Student Edition and have python 3.7.6 instilled in anaconda and 3.7.8 installed via Microsoft Store. I have followed the reference instructions here but to no avail. The ...
14
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1answer
201 views

Problem passing a list from Mathematica to external python function

comp1a = Flatten[Join[{{0 + 0 i}}, {comp1}]]; Flatten[comp1a[[1 ;; 6]]] This creates a list of complex values -> comp1a The first 6 terms in the list are: {0, -...
4
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1answer
108 views

Formula translation from Wolfram Python Client Library to Python usable string

I try to use the Wolfram Python client library to evaluate a differential equation in Python. This does not work smoothly, but using ...
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0answers
77 views

Activating the WolframKernel for Python

I would like to activate the WolframKernel to use Mathematica in Python. Although it worked the first time, later the error ...
1
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0answers
64 views

Having trouble moving program from python to Mathematica

I'm trying to move a Covid-19 model programmed in python to Mathematica and I can't figure out how to translate this segment of the code to Mathematica. ...
2
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1answer
130 views

Missing Dependencies for Python in Conda in MMA 12.1 in Windows 10

I tried to run python code in MMA 12.1 on my Windows 10 computer. However, it seems that the python in conda has MissingDependencies, as shown below. According to this FAQ thread, https://support....
6
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0answers
197 views

How to properly call Wolframscript from Python?

I am using Windows 10 x64. If I run the following code in Command Prompt: wolframscript -code ToString[TeXForm["Integrate[Tan[x],x]"]] I get the following ...
3
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1answer
181 views

Python module error using Externalsession

What I am trying to do is to generate an array using Python inside Mathematica but I getting TypeError required field:type_ignores missing Module. Here is the image:...
3
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0answers
37 views

How to use ExternalEvaluate in ResourceFunction?

Are there any working examples or best practices for writing ResourceFunction that package or depend on external language code (and package dependencies) through <...
3
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2answers
229 views

Using Manipulate to plot a function's time evolution

I am trying to plot a function in Mathematica using Manipulate to check how a function evolves with time. I am able to get sensible results with Python, though in Mathematica there is an overshoot in ...
7
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2answers
102 views

How to set default version for an external language code cell?

This example is for Python but I would like to set this option for any external language. I have a couple of versions of Python installed. ...
5
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0answers
59 views

How to monitor progress with external language code?

I'm trying to figure out how to get tqdm (a python progress monitoring tool) to work with ExternalEvaluate and "ExternalLanguage"...
2
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0answers
32 views

Get Box Shape Coordinate from image [closed]

I would like to taget each box (rectangle) in this image in order to have the coordinate of each one and finally crop on each one. For example, I have 3 rectangles in the image, I would like to ...
5
votes
1answer
332 views

How to run a Mathematica package (.m) from Python using the “Wolfram Client Library for Python”?

This question is about calling a Mathematica Package (.m file) from Python employing the "Wolfram Client Library for Python" (https://github.com/WolframResearch/WolframClientForPython). For ...
6
votes
1answer
171 views

RegisterExternalEvaluator claims MissingDependencies even though ZMQ is installed

I have an Anaconda Python installation in a non-standard location. So I ran RegisterExternalEvaluator["Python", "path-to-python.exe"] But I got the following ...