Community Profile # Al Danial

Last seen: 1日 前 2022 年からアクティブ

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

Programming Languages:
Python, C++, C, MATLAB, SQL, Perl, Fortran

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How to create a 3D Matrix?
As @Stephen23 mentioned, your expression of "a = " above is a Python list. If instead you return it to matlab as a NumPy array, ...

8日 前 | 0

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), ...

11日 前 | 1

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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...

23日 前 | 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 ...

25日 前 | 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 ...

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ヶ月 前 | 0

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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ヶ月 前 | 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ヶ月 前 | 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ヶ月 前 | 0

Passing Python function input arguments from Matlab

4ヶ月 前 | 0

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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ヶ月 前 | 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();

5ヶ月 前 | 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ヶ月 前 | 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ヶ月 前 | 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ヶ月 前 | 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...

7ヶ月 前 | 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...

7ヶ月 前 | 1

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

7ヶ月 前 | ダウンロード 7 件 | 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ヶ月 前 | 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ヶ月 前 | 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ヶ月 前 | 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ヶ月 前 | 0

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ヶ月 前 | 2 件の回答 | 0

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convert 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. ...

9ヶ月 前 | 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...

9ヶ月 前 | 0

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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...

9ヶ月 前 | 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 ...

9ヶ月 前 | 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ヶ月 前 | 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...

10ヶ月 前 | 0

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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.

10ヶ月 前 | 0