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Thread: please help
Post: RE: please help
| Pandas is the tool best that can deal with a lot of configurations; nonetheless in some cases, other "light" tools can be used (Numpy for instance).
Do you have the same number of columns in all rows... |
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paul18fr |
General Coding Help |
6 |
419 |
Apr-10-2024, 09:22 AM |
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Thread: Minimize function with SciPy
Post: RE: Minimize function with SciPy
| here is the well known Rosembrock test case: 2 variables, unconstraint problem, single (global) minimum.
Keep in mind that:several evaluations/iterations are necessary; in your case, 1 iteration = 1 ... |
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paul18fr |
General Coding Help |
3 |
336 |
Apr-05-2024, 07:51 AM |
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Thread: Minimize function with SciPy
Post: RE: Minimize function with SciPy
| I guess you're using python to:retrieve results from your FEA solver
to calculate the cost function value
to start the optmization process (with constraints?)
Nontheless here I would suggest yo... |
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paul18fr |
General Coding Help |
3 |
336 |
Apr-03-2024, 10:03 AM |
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Thread: Variable Explorer in spyder
Post: RE: Variable Explorer in spyder
| Because all your variables are local ones (which are removed outside the function).
Use debug mode + breakpoints to verify it (ctrl + f5) |
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paul18fr |
General Coding Help |
1 |
235 |
Apr-02-2024, 06:50 AM |
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Thread: ndim array
Post: RE: ndim array
| Dim=2 because you're using a 2D array; in the following examples, 3 type of arrays have been defined:
a vector = 1D array (dim=1)
a 3x3 matrix = 2D array (dim=2)
a 3D matrix (equivalent to n "layers... |
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paul18fr |
Data Science |
2 |
284 |
Apr-01-2024, 05:42 PM |
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Thread: [Numpy] How to store different data type in one numpy array?
Post: RE: [Numpy] How to store different data type in on...
| agree with @deanhystad
For instance, if the goal is to recover data per type, I would imagine the following if you can use 2 arrays (possible?):
import numpy as np
Array1 = np.array([['2024-03-22',... |
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paul18fr |
Data Science |
7 |
631 |
Mar-26-2024, 08:39 AM |
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Thread: File is not being created with 'w' argument
Post: RE: File is not being created with 'w' argument
| With the text file, I would have test something like :
import datetime
now = datetime.datetime.now()
readFileName = now.strftime("%d-%m-%y.txt")
dirName = "dataLogging"
readFileFullPath = ('E:/... |
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paul18fr |
General Coding Help |
3 |
446 |
Mar-13-2024, 08:50 AM |
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Thread: [closed] "checked" variable (attribute?) origin?
Post: RE: [closed] "checked" variable (attribute?) origi...
| Ok I think I finally figured out: if I want something to be printed (or checked) when the signal is sent, one need to define a variable that "sets" the boolean.
import sys
from PySide6.QtWidgets imp... |
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paul18fr |
GUI |
4 |
554 |
Mar-04-2024, 10:32 AM |
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Thread: [closed] "checked" variable (attribute?) origin?
Post: RE: "checked" variable (attribute?) origin?
| I can understand what the second argument checked in the slot is doing, but from where it comes from? no return, nor variable, nor attribute, etc. I had a quick look at the QmainWindows and QPushButto... |
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paul18fr |
GUI |
4 |
554 |
Feb-28-2024, 04:43 PM |
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Thread: [closed] "checked" variable (attribute?) origin?
Post: [closed] "checked" variable (attribute?) origin?
| Hi
I've found this small snippet, and in the the_button_was_toggled method, i do not understand from where the checked variable (attribute?) come from? Is it an inheritance?
Thanks
import sys
fro... |
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paul18fr |
GUI |
4 |
554 |
Feb-28-2024, 01:08 PM |
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Thread: Help!!
Post: RE: Help!!
| In addition to what it has previously said, that's the return content which is returned using print (None by default if not specified)
def hint_username(username):
if len(username) < 3:
... |
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paul18fr |
General Coding Help |
2 |
360 |
Feb-22-2024, 01:43 PM |
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Thread: recording textbox data into a variable
Post: RE: recording textbox data into a variable
| None of the 2 solutions work for me when line 44 is uncommented; I'm missing something for sure. |
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paul18fr |
GUI |
4 |
462 |
Feb-19-2024, 08:13 PM |
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Thread: recording textbox data into a variable
Post: recording textbox data into a variable
| Hi
This is my very (very) first test to code a GUI and I know it'll be a very (very) long way **wink** .
In the following example, printing textbox content works, but I do not figured out how to re... |
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paul18fr |
GUI |
4 |
462 |
Feb-19-2024, 06:13 PM |
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Thread: Python3 string slicing
Post: RE: Python3 string slicing
| The following code should help you (do additional tests by yourself):
Alphabet = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X'... |
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paul18fr |
General Coding Help |
4 |
629 |
Feb-16-2024, 08:52 AM |
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Thread: Need help with coding project
Post: RE: Need help with coding project
| I'm not a specialist myself, but I would have add an additional method (see def getPlant here after) to get the plant name and to check if it is the same as the input string.
class Plant:
def __i... |
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paul18fr |
General Coding Help |
4 |
494 |
Feb-14-2024, 10:04 AM |
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Thread: Convert numpy array to image without loading it into RAM.
Post: RE: Convert numpy array to image without loading i...
| Some time ago, I used h5py to record pictures into a h5 file (very usefull and powerfull); in the following example:
a basic image is created using matplotlib
the image is saved into the h5 file as a... |
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paul18fr |
General Coding Help |
7 |
5,914 |
Feb-08-2024, 09:38 AM |
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Thread: Spyder console zoom in not working?
Post: RE: Spyder console zoom in not working?
| I've been using Spyder under Windows 10 and Anaconda; I can notice some specific directories exist when using Spyder => if I were you, I would remove all of them prior to open Spyder, in order to "... |
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paul18fr |
General Coding Help |
2 |
464 |
Feb-06-2024, 03:31 PM |
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Thread: Python Classes
Post: RE: Python Classes
| Two possibilities (not necessary the best ones)
class Resister:
# variables (dictionaries) outside the constructor
bands = {
"black": 0,
"brown": 1,
"red": 2,
... |
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paul18fr |
General Coding Help |
4 |
540 |
Feb-05-2024, 05:01 PM |
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Thread: problem usage of static method
Post: RE: problem usage of static method
| You're doing the same when using classically "math.factorial" => "class.method"
Here you're creating your "OwnMath" class With your own "factorial" method (récursive use) => "OwnMath.factoria... |
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paul18fr |
General Coding Help |
5 |
552 |
Feb-03-2024, 07:43 AM |
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Thread: problem usage of static method
Post: RE: problem usage of static method
| maybe the following snippet gives you some answers:
import math
class OwnMath:
@staticmethod
def factorial(number):
if number == 0:
return 1
else:
return... |
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paul18fr |
General Coding Help |
5 |
552 |
Feb-02-2024, 09:37 AM |
