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Al Danial


Last seen: 3 días ago |  Active since 2022

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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  • 3 Month Streak
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Answered
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...

12 días ago | 0

Answered
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...

12 días ago | 0

Answered
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...

21 días ago | 1

Answered
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...

26 días ago | 1

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

alrededor de 1 mes ago | 7 downloads |

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Answered
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/...

alrededor de 2 meses ago | 0

Answered
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'...

2 meses ago | 3

Answered
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?

2 meses ago | 0

Answered
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...

3 meses 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 =...

3 meses ago | 2 answers | 0

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answers

Answered
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. ...

3 meses ago | 0

Answered
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...

3 meses ago | 0

| accepted

Answered
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...

3 meses ago | 0

Answered
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 ...

3 meses ago | 1

Answered
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...

4 meses ago | 0

Answered
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...

4 meses ago | 0

| accepted

Answered
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.

4 meses ago | 0

Answered
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...

4 meses ago | 0

Answered
Matlab 2019a Ubuntu 20 Python 3.7.12 "Path argument does not specify a valid executable"
Does the command pyenv work in 2019a? If yes, what output does it show? 2020b uses pyenv to show what MATLAB thinks the Python...

4 meses ago | 0

Answered
System command and Unix parallelisation
Independently of MATLAB, can you run run_command_1_para.sh directly from a Unix terminal and get the behavior you want? If that...

4 meses ago | 0

Answered
Convert numpy ndarray to matlab mlarray in python
Which version of MATLAB? 2020a and newer (I don't have easy access to older versions) should just be able to do >> mx = doubl...

4 meses ago | 0

Answered
Calling python modules gives ModuleNotFoundError.
Does the MATLAB code change directories before calling the import command? If you interactively invoke the import in a fresh MA...

4 meses ago | 0

Answered
How to transfer Big Data from Python Dict to Matlab
Alternatively, write your Big Data dictionary directly to a MATLAB .mat file as described here: https://www.mathworks.com/matlab...

4 meses ago | 0

Answered
convert a Python tuple containing string and numerical data types to Matlab
The SciPy module has a function, savemat, which can write Python variables to MATLAB .m files. Your tuple can be written to tes...

4 meses ago | 0