# Al Danial

Author, Python for MATLAB Development, https://www.apress.com/gp/book/9781484272220 Author, cloc, https://github.com/AlDanial/cloc

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Python, C++, C, MATLAB, SQL, Perl, Fortran

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**Content Feed**

Basic Matlab to python question

The Python equivalent is much more verbose than matlab's [6:10,1:4]: In : import numpy as np In : np.hstack((np.arange(6,11), ...

ongeveer 17 uur ago | 1

| accepted

What is the equivalent of element-wise division in python when denominator contains complex number

Here's my next theory: your code uses the default np.float64 datatype for V_modif. The problem with this is the right hand sid...

13 dagen ago | 0

What is the equivalent of element-wise division in python when denominator contains complex number

Your Python code has a typographical bug, an easy one to make: if you work with complex numbers in Python, you cannot use j as ...

15 dagen ago | 0

How to write a matlab function in Python?

You didn't show what my_function() looks like. Aside from that, the notation for populating A and B in NumPy is the same as in ...

ongeveer een maand ago | 0

How to convert Matlab cell array into Python numpy array?

One way to get the 3D array of images in Python is to convert the cell array to a 3D matrix on the matlab side and save that (in...

3 maanden ago | 0

| accepted

Cell array to python list

The easiest way is with mat2py.m: Here's an example: >> a = { eye(2) eye(3) eye(2) } a = 1x3 cell array {2x2 double} {3x...

4 maanden ago | 0

Passing Python function input arguments from Matlab

Integers are tricky because what looks like an integer in MATLAB is actually a double unless you explicitly cast it, for example...

4 maanden ago | 0

List all matlab files in python

As @John mentioned, one way is with the glob function from the module of the same name: from glob import glob Dir = '.' mat_f...

4 maanden ago | 0

Passing Python function input arguments from Matlab

Wrap your MATLAB matrices with py.numpy.array() instead of py.numpy.ndarray() in your call.

4 maanden ago | 0

| accepted

Calling Python from Matlab / Can I use Python installed by Anaconda? / "NULL pointer returned from Python."

Try this start-up sequence: first open an Anaconda Prompt or Anaconda PowerShell terminal. Then within that terminal window, t...

4 maanden ago | 0

How can I import python module properly instead of namespace package

Try assigning the import to a variable: asammdf = py.importlib.import_module('asammdf'); then MDF = asammdf.MDF();

4 maanden ago | 0

How can I translate these Matlab statistics into Python?

If this 3840 x 2160 matrix is the only data in the file you could do import numpy as np Yd = np.fromfile('file_with_matrix.bin...

5 maanden ago | 0

How to convert a 1x5x5600 cell in MATLAB to a python list that is (1,5,5600)

Lists, like cell arrays, may be nested so @J C's request is doable. Here's an example with a 1x3x5 cell: % create the cell arr...

6 maanden ago | 0

list comprehension in MATLAB using Python interface

MATLAB's cellfun() and arrayfun() act like Python list comprehensions. You can give them Python functions to act on each item i...

6 maanden ago | 0

Unable to resolve the name 'py.anything' when using Homebrew Python

I won't have a macOS machine handy for a while so I can't experiment. I imagine the MathWorks tech support would know... unless...

6 maanden ago | 1

pyenv Library property empty. Unable to resolve the name (Linux:Pop OS 22.04, python 3.9, R2022a)

On my Ubuntu 20.04 system pyenv returns >> pyenv ans = PythonEnvironment with properties: Version: "3.9" Executable: "/usr...

6 maanden ago | 1

Submitted

Python for MATLAB Development

Source Code for 'Python for MATLAB Development' by Albert Danial

7 maanden ago | 7 downloads |

Matlab numpy array: AttributeError: 'array.array' object has no attribute 'fromstring'

Regarding @Ben 's initial issue, the matlab/python version compatibility table, https://www.mathworks.com/content/dam/mathworks/...

7 maanden ago | 0

Run pickle file in matlab

This shows how to load a pickle file into MATLAB: pickle = py.importlib.import_module('pickle'); fh = py.open('data.pkl', 'rb'...

8 maanden ago | 3

From Python to Matlab

I'm willing to help. How about posting your first cut at the Python code and showing where you're stuck?

8 maanden ago | 0

reshape a cell array to be row major

Your first sentence, "Maybe storing the data in a table will end up being more convenient:" proved to be the key. With that ide...

8 maanden ago | 0

Question

reshape a cell array to be row major

If I load data with textscan() I'll get back a cell array holding the columns of data. For example fh = fopen('log.txt'); x =...

8 maanden ago | 2 answers | 0

### 2

answersconvert a py.str to a matlab string

For generic conversion of Python variables to MATLAB variables, try py2mat.m, and for the reverse (Python to MATLAB), mat2py.m. ...

8 maanden ago | 0

Convert MATLAB Code to Python Code (.ipynb)

#!/usr/bin/env python import numpy as np import matplotlib.pyplot as plt N = 500 M = np.diag(np.ones((N-1,)),1) + np.diag(np...

8 maanden ago | 0

| accepted

How do I create a 3 dimensional surface from X Y Z points

Since you're starting in Python you can make the surface plot there too if you want. This is a translation of @Star Strider's m...

8 maanden ago | 0

unable to resolve the name py.function error

Couple of things to try: 1) change the execution mode to InProcess >> pyenv('ExecutionMode', 'InProcess') 2) open a terminal ...

8 maanden ago | 1

Python function to Matlab

Looks like monthly_raw_data is a Pandas dataframe. Can you post a small input file (.csv or other) that loads into a representa...

9 maanden ago | 0

Convert numpy ndarray to matlab mlarray in python

Looks like you're making the data load unnecessarily complicated. The file actually loads cleanly into a NumPy array: from sci...

9 maanden ago | 0

| accepted

How to get frequencies of a s parameter object in python

Let's see what is in your variable sp. Make a small version of it, save it to a .mat file, and attach the .mat file here.

9 maanden ago | 0

Convert numpy ndarray to matlab mlarray in python

Now I'm curious what is in your variable x. Can you make a small version of this data, write it to a .mat file, then attach the...

9 maanden ago | 0