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    Thread: Using curve_fit to optimize function (TypeError)
Post: RE: Using curve_fit to optimize function (TypeErro...

(Aug-30-2021, 05:11 AM)Laplace12 Wrote: (Aug-29-2021, 07:38 PM)Larz60+ Wrote: you haven't passed any arguments to function dy You mean x, a, b? a and b I wish to get optimized by *popt1, do I stil...
Laplace12 General Coding Help 4 2,454 Aug-30-2021, 07:40 AM
    Thread: Using curve_fit to optimize function (TypeError)
Post: RE: Using curve_fit to optimize function (TypeErro...

(Aug-29-2021, 07:38 PM)Larz60+ Wrote: you haven't passed any arguments to function dy You mean x, a, b? a and b I wish to get optimized by *popt1, do I still need to make some guess about the values...
Laplace12 General Coding Help 4 2,454 Aug-30-2021, 05:11 AM
    Thread: Using curve_fit to optimize function (TypeError)
Post: Using curve_fit to optimize function (TypeError)

Hey! I have some experimental data that I know follows a certain function. My aim is to fit a function (dy) to the data points and get Python to return the offset values. import math import numpy a...
Laplace12 General Coding Help 4 2,454 Aug-29-2021, 05:05 PM
    Thread: Returning values from Gaussian fitting
Post: Returning values from Gaussian fitting

Hey, I'm trying to fit a Gaussian function to some data, but I want to return the 'center' and 'width' values and print them. The code returns a ValueError: import numpy as np import matplotlib.pypl...
Laplace12 General Coding Help 0 1,549 Aug-05-2021, 08:09 AM
    Thread: Plotting simple graph (AttributeError)
Post: Plotting simple graph (AttributeError)

Hey, I'm trying to plot energy as a function of My. I want to plot the function for values of n between 1-10, but the code returns an AttributeError. I tried putting the My value straight into the eq...
Laplace12 General Coding Help 0 1,344 Jul-28-2021, 10:58 AM
    Thread: Fit np.polyfit to data points
Post: RE: Fit np.polyfit to data points

(Jul-07-2021, 06:36 AM)Gribouillis Wrote: You may need to call the poly1d perhaps plt.plot(xs1, np.poly1d(np.polyfit(xs1, ys1, 2))(xs1), label='0') Ah, thanks! Now it plots points with no ...
Laplace12 General Coding Help 3 1,588 Jul-07-2021, 06:42 AM
    Thread: Fit np.polyfit to data points
Post: Fit np.polyfit to data points

Hey! Trying to get polyfit working. I want to fit a 2nd order polynomial to some data points, but the code returns no plot. All x10, x11, y10, etc. values have been manually pointed out from data file...
Laplace12 General Coding Help 3 1,588 Jul-07-2021, 06:34 AM
    Thread: [Solved] Plotting data from txt file
Post: RE: Plotting data from txt file

I've now changed the composition of the values so that I have everything in a list. Now what I'd have to do is stack every 8th value into a column somehow, if that's possible, or create a loop to calc...
Laplace12 General Coding Help 1 1,780 Jul-06-2021, 07:14 AM
    Thread: [Solved] Plotting data from txt file
Post: [Solved] Plotting data from txt file

Hey! I'm trying to plot a text file that looks like this: #0 0.4000 0.1485 2.1926 Fixed 0.0195 0.0299 64.9854 11.2706 23.7440 1.4814 1.2203 0.3871 42.1810 0.0664 #1 ...
Laplace12 General Coding Help 1 1,780 Jul-04-2021, 02:14 PM
    Thread: [Solved] Reading every nth line into a column from txt file
Post: RE: Reading every nth line into a column from txt ...

(Jun-28-2021, 11:20 PM)Yoriz Wrote: output Output:CA50_40_ref_data2101_E04_spec0-70 #0 Lifetimes (ns) : 0.4000 0.1250 2.0446 Std deviations : Fixed Fix...
Laplace12 General Coding Help 7 5,144 Jun-29-2021, 09:17 AM
    Thread: [Solved] Reading every nth line into a column from txt file
Post: RE: Reading every nth line into a column from txt ...

(Jun-28-2021, 01:20 PM)snippsat Wrote: What is the output you want from this? I can not see why you look for Lifetime,Std deviations...ect in this. Are you making this file? When put a Python list [...
Laplace12 General Coding Help 7 5,144 Jun-28-2021, 06:47 PM
    Thread: [Solved] Reading every nth line into a column from txt file
Post: RE: Reading every nth line into a column from txt ...

(Jun-28-2021, 10:54 AM)snippsat Wrote: How dos the original file look it's properly a better way,but can not advice anything without a sample of original file. Hey, it looks like this: #0 0.4000 0....
Laplace12 General Coding Help 7 5,144 Jun-28-2021, 12:18 PM
    Thread: [Solved] Reading every nth line into a column from txt file
Post: [Solved] Reading every nth line into a column from...

Hey! I have a text file that I want to sort out. I've coded this and tried dataframe, but that only prints the last line. The code I have now is this, producing the txt file: with open(output) as f...
Laplace12 General Coding Help 7 5,144 Jun-28-2021, 09:47 AM
    Thread: IndexError: list index out of range
Post: IndexError: list index out of range

Working with a data file to simplify it - my aim is to get the stuff in the file in columns, and I've started with splitting and printing only the necessary lines, I'll still have to sort them out int...
Laplace12 General Coding Help 1 2,186 Jun-22-2021, 10:12 AM
    Thread: [Solved] Trying to read specific lines from a file
Post: RE: Trying to read specific lines from a file

(Jun-21-2021, 10:02 AM)snippsat Wrote: (Jun-21-2021, 07:55 AM)Laplace12 Wrote: Alright, I now figured I can maybe try to iterate n and then loop over the lines I want:I still hard-coded lines as ...
Laplace12 General Coding Help 7 3,499 Jun-21-2021, 11:15 AM
    Thread: [Solved] Trying to read specific lines from a file
Post: RE: Trying to read specific lines from a file

Alright, I now figured I can maybe try to iterate n and then loop over the lines I want: r = range(1, 71) n = iter(r) with open('file') as fp: lines = fp.readlines() lines_needed = [35*n, ...
Laplace12 General Coding Help 7 3,499 Jun-21-2021, 07:55 AM
    Thread: [Solved] Trying to read specific lines from a file
Post: RE: Trying to read specific lines from a file

(Jun-21-2021, 07:30 AM)buran Wrote: Instead of hard-coded line numbers it will be much better to parse the file. Based on what you show it looks pretty trivial to do so. Thanks for the tip! I've onl...
Laplace12 General Coding Help 7 3,499 Jun-21-2021, 07:36 AM
    Thread: [Solved] Trying to read specific lines from a file
Post: RE: Trying to read specific lines from a file

(Jun-18-2021, 02:17 PM)Larz60+ Wrote: something like: recs_needed = [0, 24, 72, 99] with open('myfile') as fp: lines = fp.read() for n, line in enumerate(lines): if n in recs_needed: ...
Laplace12 General Coding Help 7 3,499 Jun-21-2021, 07:26 AM
    Thread: [Solved] Trying to read specific lines from a file
Post: [Solved] Trying to read specific lines from a file

Hey, I'm struggling with a simple code. I want to extract certain lines from data files. The data files have up to a 100 times datasets after each other, so basically I want to read the same lines f...
Laplace12 General Coding Help 7 3,499 Jun-18-2021, 11:51 AM
    Thread: [Solved] TypeError when calling function
Post: RE: TypeError when calling function

(Jun-16-2021, 01:54 PM)BashBedlam Wrote: The gaussian () function requires five parameters. On line 26/27 you call it with only four. Oh man, I should've realized this **biggrin** the original gaus...
Laplace12 General Coding Help 2 2,832 Jun-16-2021, 02:46 PM

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