Al Danial
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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
Python, C++, C, MATLAB, SQL, Perl, Fortran
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Awarded to Al Danial on 01 Mar 2023
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Awarded to Al Danial on 02 Oct 2022
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Awarded to Al Danial on 30 Sep 2022
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Awarded to Al Danial on 20 Apr 2022
Feeds
已回答
How to access elements in numpy.array without converting the array?
Use NumPy's put() function: >> NP = py.importlib.import_module('numpy'); >> x = NP.array([1 3 5 7 9 11]); >> ind = int64([0 2...
How to access elements in numpy.array without converting the array?
Use NumPy's put() function: >> NP = py.importlib.import_module('numpy'); >> x = NP.array([1 3 5 7 9 11]); >> ind = int64([0 2...
1 year 前 | 0
| 已接受
提问
py2mat.m, mat2py.m now more than 3x faster
py2mat.m and mat2py.m are now more than 3x faster when converting variables repeatedly. (py2mat.m and mat2py.m are utilities tha...
1 year 前 | 0 个回答 | 0
0
个回答已回答
source of the python benchmarks
Broadly speaking I'd agree that MATLAB is often faster than Python. However, with a bit of optimization work you can just as of...
source of the python benchmarks
Broadly speaking I'd agree that MATLAB is often faster than Python. However, with a bit of optimization work you can just as of...
1 year 前 | 0
已回答
call python function in parfor loop
An alternative to parfor is to run the loop in parallel with dask. The function running in parallel, sol_lin(), in your case, c...
call python function in parfor loop
An alternative to parfor is to run the loop in parallel with dask. The function running in parallel, sol_lin(), in your case, c...
1 year 前 | 0
已回答
Making a section in Python like Matlab
Python IDEs such as Spyder also support code cels. The delimiter there is #%%. As in the matlab IDE, in Spyder you can run all...
Making a section in Python like Matlab
Python IDEs such as Spyder also support code cels. The delimiter there is #%%. As in the matlab IDE, in Spyder you can run all...
1 year 前 | 0
| 已接受
已回答
problems when using scipy.optimize.differential_evolution in Matlab environment
scipy.optimize.differential_evolution() expects a Python function as its first argument. You'll need to translate Residual.m to...
problems when using scipy.optimize.differential_evolution in Matlab environment
scipy.optimize.differential_evolution() expects a Python function as its first argument. You'll need to translate Residual.m to...
1 year 前 | 0
已回答
Getting python terminal output
The issue is that matlab buffers Python's print statements and only flushes this buffer--meaning print to the Python text in the...
Getting python terminal output
The issue is that matlab buffers Python's print statements and only flushes this buffer--meaning print to the Python text in the...
1 year 前 | 0
已回答
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, ...
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, ...
2 years 前 | 0
已回答
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), ...
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), ...
2 years 前 | 1
| 已接受
已回答
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...
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...
2 years 前 | 0
已回答
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 ...
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 ...
2 years 前 | 0
已回答
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 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 ...
2 years 前 | 0
已回答
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...
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...
2 years 前 | 0
| 已接受
已回答
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...
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...
2 years 前 | 0
已回答
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...
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...
2 years 前 | 1
已回答
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...
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...
2 years 前 | 0
已回答
Passing Python function input arguments from Matlab
Wrap your MATLAB matrices with py.numpy.array() instead of py.numpy.ndarray() in your call.
Passing Python function input arguments from Matlab
Wrap your MATLAB matrices with py.numpy.array() instead of py.numpy.ndarray() in your call.
2 years 前 | 0
| 已接受
已回答
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...
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...
2 years 前 | 1
已回答
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();
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();
2 years 前 | 1
已回答
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...
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...
2 years 前 | 0
已回答
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...
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...
2 years 前 | 0
已回答
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...
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...
2 years 前 | 0
已回答
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...
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...
2 years 前 | 1
已回答
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...
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...
2 years 前 | 1
已回答
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/...
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/...
2 years 前 | 0
已回答
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'...
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 years 前 | 3
已回答
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?
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 years 前 | 0
已回答
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...
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...
2 years 前 | 0
提问
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 =...
2 years 前 | 2 个回答 | 0
2
个回答已回答
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. ...
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. ...
2 years 前 | 0
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