Linked Questions
23 questions linked to/from How to perform a multi-peak fitting?
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How to fit multiple Gaussian peaks to data [duplicate]
How would I fit this data with Gaussian Peaks? I have tried various codes but none have even worked. Note: If I do Log[data], the peaks are more visible
(I have tried the method from here but it got ...
- 277
79
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5
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How to find all the local minima/maxima in a range
I want to find :
all local maxima in range
all local minima in range
From those points I can interpolate and combine functions upper and lower boundary. What I am really interested in, is the mean ...
- 2,007
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Fittting data with combination of an unknown number of Gaussians
I have data that I want to fit with a constant plus a combination of Gaussians, with their actual number being one parameter of the fit (besides the average and the variance of every one of them).
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How to do deconvolution in spectrum with some peaks?
For example, I have the next spectrum:
I've seen the next question ["How to perform a multi-peak fitting?"][2]
but not answer to my question. I want deconvolution the spectrum to obtain three peaks (...
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3
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Multi-peak fitting for peak position
I have a {x,f} data-set featuring multiple peaks. The peaks evolve with a second variable y. I would like to fit the multiple ...
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Approximate strictly positive solution to a linear set of equations?
Consider a positive matrix M and a positive vector b, e.g.
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How do I generate a table of data points from a function and add random noise? [duplicate]
I am trying to generate a table of data for the function:
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3
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Defining a function as a sum of several Gaussians
I have a function that is a summation of several Gaussians. Working with a 1D Gaussian here, there are 3 variables for each Gaussian: A, ...
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Solving Fredholm Equation of the first kind [duplicate]
I want to numerically solve Fredholm integral equations of the first kind, equations of the form
$$g(t)=\int_a^b K(t,s)f(s)\,\mathrm{d}s$$
where we know the functions $K(t,s)$ and $g(t)$ and seek to ...
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Fitting a Multi-Exponential Decay With Constraints
I am having trouble finding a way to fit my data in Mathematica to a multi-exponential decay, with the critical condition that all contributions to the decay sum to 1.
To start, I can fit my data to ...
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2
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TargetFunctions option in FindDistribution yields error
I have some data set that I am trying to find the maximums . I figured I could do this by fitting the many peaks of the dataset to Gaussian distributions and then finding the peaks of this data from ...
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1
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529
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Multi-peak fitting and area of the fitting
I am trying to fit 3 peaks to the following data:
https://pastebin.com/QCAKwZ2P
which plotted using ListPlot[data, PlotRange -> {{50, 110}, {0.1, All}}] gives:
...
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1
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How to do a fit on multiple peak with a voigt function
I looked a lot on the other questions to do that but I can't find a way to do it properly. So here is my question. I have a spectrum of OH and I would like to do a voigt fit on every peak it has to be ...
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2
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600
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Curve fitting with variable number of Gaussian curve
I have the data which appears like
And I decided to use three Gaussian curves to fit it.
(This code allows me to manipulate all three curves and put in best guesses for peak positions. Using these ...
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FindFit problem, some models work -- and some do not
I asked this question. Answers and comments were appreciated.
But (some) of the comments did not make satisfied. [Maybe due to my bad English I did not describe my problem very well].
Let me try ...
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1
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Fitting multiple peaks
I am using the code found here to fit multiple peaks of a large dataset which I don't know anything about. This was the only code I could find on the internet to do such a thing. So this is my attempt ...
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1
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Still more problems with Fitting, please help
I'm in a little over my head here and I'm fully aware of it, so I'm hoping for some help. I've been assigned to a project where I am given data:
http://www.pastebin.ca/3061136 (Example Data)
I then ...
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3
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Multi-peak fitting
I am starting, and still learning with Mathematica. I really wonder how to solve my problem : I have a broad peak composed by two peaks actually, and I would like to separate them.
Data come from an ...
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1
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1
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Fitting a sum of three lorentzian based on a dataset
as you can see below, I have developed a code that allows me to fit the present dataset via a Lorentzian. Now what I should do is to develop a sum of three Lorentzians based on this model so that this ...
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1
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279
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Algorithm to switch from one to two gaussian fit
I have a big dataset that I have to fit with one or two gaussians. This dataset represents the evolution of a population in two different population as a function of time. That means that at same ...
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Find elementary function that fits the data
I have the following data, i.e. a list of points:
...
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172
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Simultaneous Peak and Background Fit
I'm not sure if this is the proper way to do this, but I have a question related to another open question of mine.
In this post, I'm looking at analyzing some quantum dot UV-Vis absorbance spectra (...
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How to perform a 2D-multi-peak fitting?
I am wondering how to decompose the data[x,y] into several elliptic-shaped functions,
i.e. $f[x,y]=\frac{H}{(1+(\frac{x-x1}{a1})^2+(\frac{y-y1}{b1})^2)^{3/2}}$.
I could follow in 1D case, ...
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