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fityk-users

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Fityk - questions, comments, bug reports, feature requests, ...

To discuss Fityk internals - go to the fityk-dev group.

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Byungrok Moon (문 병록), … Manoel Lourenço Alves Neto4

Aug 19

Could you explain the difference between the Voigt and VoigtA fitting functions?

Voigt in Fittyk is the true Gaussian⊗Lorentzian convolution, computed with the Wells (1999) fast

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Could you explain the difference between the Voigt and VoigtA fitting functions?

Voigt in Fittyk is the true Gaussian⊗Lorentzian convolution, computed with the Wells (1999) fast

Aug 19

Aug 7

Peak-to-Valley ratio

Hello all, be warned, newbie here ... I envisage using Fityk for calculation of Peak to Valley ratios

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Peak-to-Valley ratio

Hello all, be warned, newbie here ... I envisage using Fityk for calculation of Peak to Valley ratios

Aug 7

riccardo galafassi2

Jul 24

fityk slow when using a lot of datasets

To bring a small example, in order to better understand the problem, here is a small python script

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fityk slow when using a lot of datasets

To bring a small example, in order to better understand the problem, here is a small python script

Jul 24

May 21

simple math on fityk

Hi, I am new to fityk! Wanna restric plot range, need to set values first. Pls correct this: $

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simple math on fityk

Hi, I am new to fityk! Wanna restric plot range, need to set values first. Pls correct this: $

May 21

Bartłomiej Gaweł, Marcin Wojdyr3

Jan 21

Plotting the data

Ok, thank you for info. Best, Bartek wt., 21 sty 2025, 15:39 użytkownik Marcin Wojdyr <wojdyr@

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Plotting the data

Ok, thank you for info. Best, Bartek wt., 21 sty 2025, 15:39 użytkownik Marcin Wojdyr <wojdyr@

Jan 21

Jacek Pawlyta, … Marcin Wojdyr4

12/12/24

Linux repos are missing

> > Have there been any updates regarding downloading the Linux version? I'm afraid not. I

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Linux repos are missing

> > Have there been any updates regarding downloading the Linux version? I'm afraid not. I

12/12/24

Lucas Silva, … Dan Parshall4

11/9/24

Probably change your Mac software settings do that you can install from "unknown vendors"

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Probably change your Mac software settings do that you can install from "unknown vendors"

11/9/24

7/1/24

compile on silicon (M3) MacOS failing - boost

I'm trying to compile the newest version on my M3 MacOS but it fails to locate the boost headers.

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compile on silicon (M3) MacOS failing - boost

I'm trying to compile the newest version on my M3 MacOS but it fails to locate the boost headers.

7/1/24

Ireno Mega Putera, … Michael Black3

6/28/24

info peaks_err doesn't work

Try "/User" instead of just "User". Mike On Fri, Jun 28, 2024 at 3:00 AM Ireno

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info peaks_err doesn't work

Try "/User" instead of just "User". Mike On Fri, Jun 28, 2024 at 3:00 AM Ireno

6/28/24

5/5/24

Arctan function in fityk?

Does fityk is equipped with arctan function for XAS deconvolution process?

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Arctan function in fityk?

Does fityk is equipped with arctan function for XAS deconvolution process?

5/5/24

Edward Chandler, Alexander Selyutin2

4/2/24

box_constraints

Hello, 1) Set the method LM from MPIFIT by the enter "set fitting_method=mpfit" to the

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box_constraints

Hello, 1) Set the method LM from MPIFIT by the enter "set fitting_method=mpfit" to the

4/2/24

Edward Chandler

4/2/24

Loading Cif files

Hello - I have a bunch of CIF files that I'd like to use with the powder diffraction analysis

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Loading Cif files

Hello - I have a bunch of CIF files that I'd like to use with the powder diffraction analysis

4/2/24

Manoel Lourenço Alves Neto, Quark Chen2

12/20/23

Error in exporting data

It seems that Win 7 also has problem, not sure if this is only for version 1.3.1 which I recently

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Error in exporting data

It seems that Win 7 also has problem, not sure if this is only for version 1.3.1 which I recently

12/20/23

Marcin Wojdyr, … Matthew Graneri5

10/20/23

Re: [fityk-users] Fityk and Raman Spectra

Hi Marek, From memory, I think the issue was that I had some data points which were not actually data

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Re: [fityk-users] Fityk and Raman Spectra

Hi Marek, From memory, I think the issue was that I had some data points which were not actually data

10/20/23

10/10/23

Least Square pitfalls

I'd like to point out something to users of this software. I was involved about 40 years ago with

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Least Square pitfalls

I'd like to point out something to users of this software. I was involved about 40 years ago with

10/10/23

Rosendo Villafuerte-Vega, Alexander Selyutin2

10/10/23

Area under combined gaussian curve

Hello, You can use the command "info peaks" which shows the peaks data, for example "#

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Area under combined gaussian curve

Hello, You can use the command "info peaks" which shows the peaks data, for example "#

10/10/23

Daryl Lee, … Jasper Ristkok5

10/2/23

Bounds for peak centres

Dear Daryl, I'd like to add an additional method or "hack" to such cases. It consists

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Bounds for peak centres

Dear Daryl, I'd like to add an additional method or "hack" to such cases. It consists

10/2/23

Teodora Žižak

8/4/23

Function inside function

Hello everyone! First time here. I have a problem similar to this one, except mine is with different

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Function inside function

Hello everyone! First time here. I have a problem similar to this one, except mine is with different

8/4/23

Aimee Coleman, … Jasper Ristkok4

6/16/23

Exporting fit parameters to text file (for beginner)

Dear Aimee and others with similar task, In addition to the GUI method I'll share how to do it in

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Exporting fit parameters to text file (for beginner)

Dear Aimee and others with similar task, In addition to the GUI method I'll share how to do it in

6/16/23

Roman Starykh, Alexander Selyutin2

4/18/23

th, 18 apr. 2023 г. в 15:20, Roman Starykh <rvst...@gmail.com>: Hello everyone, could you

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th, 18 apr. 2023 г. в 15:20, Roman Starykh <rvst...@gmail.com>: Hello everyone, could you

4/18/23

Diana, Alexander Selyutin2

3/21/23

Lua Error cannot load files on fityk

Hello, try to use lua F:load(' C:\\Users\\Diana Ingles\\Desktop\\Glucose Oxidase\\03142023

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Lua Error cannot load files on fityk

Hello, try to use lua F:load(' C:\\Users\\Diana Ingles\\Desktop\\Glucose Oxidase\\03142023

3/21/23

Leon Niceday, Marcin Wojdyr3

2/20/23

Extending Fityk's language (DSL) , it's future...

I totally understand, no worry. Maybe the DSL will be extended, gradually, as I mentioned, but it

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Extending Fityk's language (DSL) , it's future...

I totally understand, no worry. Maybe the DSL will be extended, gradually, as I mentioned, but it

2/20/23

Matthew Graneri, Alexander Selyutin3

1/10/23

Export fitted peaks as CSV files

That is amazing - thank you so much! Regards, Matthew On Tuesday, January 10, 2023 at 2:49:04 PM UTC+

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Export fitted peaks as CSV files

That is amazing - thank you so much! Regards, Matthew On Tuesday, January 10, 2023 at 2:49:04 PM UTC+

1/10/23

Samar Hassan, Matthew Graneri2

1/8/23

Hi there, I just fixed the problem myself! If you look at the data file you are using, it may be that

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Hi there, I just fixed the problem myself! If you look at the data file you are using, it may be that

1/8/23

4/19/22

Problem: No parametrized function used

Dear all Regarding FITYK: if I put several functions, one in place 0 and others one in the place 1,2,

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Problem: No parametrized function used

Dear all Regarding FITYK: if I put several functions, one in place 0 and others one in the place 1,2,

4/19/22

Carlos Bruzeguini

4/2/22

Powder Diffraction Analysis

Hi, good moorning. I have trouble, and I would like help. I hope that somebody can I don't know

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Powder Diffraction Analysis

Hi, good moorning. I have trouble, and I would like help. I hope that somebody can I don't know

4/2/22

3/5/22

Fit Error XPS spectra

Hi dear Fityk users, Recently I'm having an error popping out when trying to fit to the XPS

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Fit Error XPS spectra

Hi dear Fityk users, Recently I'm having an error popping out when trying to fit to the XPS

3/5/22

Jay Lie, … Corinne C.6

2/14/22

Range for parameters for a deconvolution

Hello, I'm also using FItyk to perform deconvolution (using PseudoVoigt functions), but when I

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Range for parameters for a deconvolution

Hello, I'm also using FItyk to perform deconvolution (using PseudoVoigt functions), but when I

2/14/22

10/7/21

Unexpected values of the standard deviation of the residuals (Rev.St.Dev.)

Hello everyone, I'm finding some troubles using Fityk with the standard deviation of the residues

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Unexpected values of the standard deviation of the residuals (Rev.St.Dev.)

Hello everyone, I'm finding some troubles using Fityk with the standard deviation of the residues

10/7/21

Gaspard, … m.pe...@gmail.com9

10/1/21

Python interface

I am using python for my data processing and i was planning to use lmfit library to fit my data, but

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Python interface

I am using python for my data processing and i was planning to use lmfit library to fit my data, but

10/1/21

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