Miroslav Balda
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Feeds
A soumis
SINIDE - Parameter identification of a sine-wave from a measured signal
Frequency, amplitude, phase shift and mean value of the best sinus fit to a sampled signal.
plus de 9 ans il y a | 2 téléchargements |
Importing data from text file
You have preprocessed the problem rather far. Store 'the_file' in the text file, say 'data.txt' and then use the function txt2ma...
presque 10 ans il y a | 0
Question
RecursionLimit reached without applying recursion calls.
I have got the message that the recurence limit is reached, when I wanted to run big program I am just debugging. There was also...
presque 10 ans il y a | 1 réponse | 0
1
réponseTo fit power law
If you plot the given vectors by the statement semilogy(A(:,1),A(:,2),':o'),you observe that the pure power function does not f...
plus de 10 ans il y a | 0
Importing file with text and numbers
The prwvious answer gives a possible solution, however the function fgetl is rather slow. Maybe, the alternative way is in appli...
plus de 11 ans il y a | 0
Linear regression on a semi-log scale
The following code solves your problem: % James.m % JAMES Linear regression on a semilog scale %%%%%%%%%%%%%%%%%%%%%...
plus de 11 ans il y a | 0
| A accepté
A soumis
LMFnlsq2
Solution of one or more nonlinear equations in the least squares sense.
plus de 11 ans il y a | 2 téléchargements |
imaginary value from solution nonlinier least square
Let us reformulate the problem: data = (q + 1./r).*exp(-r*q).*(0.6/(p(1)*r.^2)), where q = sqrt(p(2)); The prob...
plus de 11 ans il y a | 0
| A accepté
diagonal matrix with ones
There is even simpler solutionof your problem: Anew = diag(diag(A))\tril(A)
plus de 11 ans il y a | 0
conversion of array to vector
The first command is useless. Suppose inpIamage is a matrix, the character of Mean depends of your function mean2. Should functi...
plus de 11 ans il y a | 0
diagonal matrix with ones
Your last comment explained how to construct the resulting matrix. You see, how important it is to precisely formulate your ques...
plus de 11 ans il y a | 0
how to create start point for multistart
Your question is not very clear, however, the following solution may help you: oristart = [lb1,lb2,lb3,r,s1,b1,s2,b2]; n...
plus de 11 ans il y a | 0
fitting function with many parameters (fminsearch)
This may happen, if there are order differences among values of unknown parametres. Let's assume those parameters are gathered i...
plus de 11 ans il y a | 0
| A accepté
curve fitting with more then two independent variables
If the regression function is in right MATLAB notation f(x) = (a+b*x.*z)./(1+c*x) % see dots between x and z and before...
plus de 11 ans il y a | 0
how can I remove similar numbers that FOLLOW ?
This code works: y=x([x(2:end),0]~=x(1:end));
plus de 11 ans il y a | 0
sum function and add using loop
Let your data be in vector data(1:31536001). Try this code: k = 0; K = 0; x = zeros(1,8760); while k<8760, k = ...
plus de 11 ans il y a | 0
Import text file with header
The simplest way to read such data is in using the function txt2mat fro the File Exchange: www.mathworks.com/matlabc...
plus de 11 ans il y a | 0
Simple matlab doubt in a coding
See |http://www.mathworks.com/help/matlab/matlab_prog/anonymous-functions.html|
plus de 11 ans il y a | 0
| A accepté
saving plots and reopening them
Figures stored in *.ppg files can't be opend in MATLAB. If you plan to reopen figures in MATLAB, Y should save them in *.fig fil...
presque 12 ans il y a | 0
How can I solve a system in complex variables ?
The structure of the MATLAB code without an application of the Symbolic Toolbox should be as follows: 1. All constant parame...
presque 12 ans il y a | 0
| A accepté
How to determine peaks in a large set of data
Try the function extr.m from |www.mathworks.com/matlabcentral/fileexchange/10272| If vector |a| contains all samples of a...
presque 12 ans il y a | 0
Question
Building legends with extraordinary properties
Legend command denotes all plotted items in a serial order. Questions: *1.* Is there a way how to skip denoting some plotted i...
presque 12 ans il y a | 1 réponse | 0
1
réponseHow can I solve a system in complex variables ?
Maybe that you can get a solution in a simpler way just in MATLAB without using symbolic approach. Your equation is complex depe...
presque 12 ans il y a | 0
how to load a txt data
The general program for processing files of presented structure follows: % IONS.m Answers: Mohamad, 3.2.2013, 12:14...
presque 12 ans il y a | 0
how to load a txt data
Your code doesn't create or print data in the required format. The following code does it. The input data are in file IONS.txt: ...
presque 12 ans il y a | 0
Frequency of combined waveform
It is not clear what you want to find. However, the next code finds all parameters of the combined wave, i.e. amplitudes, freque...
presque 12 ans il y a | 0
creating the same format for the dates
The following code fulfils the requirement, should the format of input dates be dd/mm/yyyy or mm/yyyy: dates= { '1...
presque 12 ans il y a | 0
| A accepté
How can I improve peak detection in fast fourier tranform?
You may find the function sinfapm.m in the File Exchange: www.mathworks.com/matlabcentral/fileexchange/19902
presque 12 ans il y a | 0
A soumis
Soft interrupting of long computer runs
Long run of the program can be interrupted without any loss of data in a workspace.
plus de 12 ans il y a | 1 téléchargement |
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