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# laurent jalabert

Last seen: 17日 前 2018 年からアクティブ

Research Engineer

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IR Thermal Mapping FLIR Camera
an IR camera is measuring a flux, and mainly the emissivity. But emissivity depends on the materials in your image, so without a...

Plot a single pixel's (or pixel region's) intensity over frame number of a monochrome video
I would like to improve this program, because when I create about 20 points to be monitored, the loop duration can reach 50sec p...

3ヶ月 前 | 0

implay a video and draw n points with ginput
Hello, I have intensively tried to find any code to do that, but I could not find. So I am sorry to post my question here. I h...

3ヶ月 前 | 1 件の回答 | 0

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fitting with y and x dependent variables
I have 2 columns of universal data X and Y. I can plot an universal Y as a function of X. Now, X = x / Xc. And Y = y / Yc. x...

10ヶ月 前 | 0 件の回答 | 0

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Count number of sheets in excel file
d = uigetdir(pwd, 'Select a folder'); DATA = dir(fullfile(d, '*.xlsx')); [status,sheets] = xlsfinfo(DATA.name); sheets = shee...

How to export or copy figures (.fig or .png) files to PPT from MATLAB script?
I use exportToPPTX and it works well https://fr.mathworks.com/matlabcentral/fileexchange/40277-exporttopptx

How can I get the 95% confidence interval for the 3 parameters of a Weibull distribution?
Dear Anas, I am not specialist for this question. I found this function for Wiebull + 3 parameters https://www.real-statistics....

Plotting three related data sets with three axes and one line
https://fr.mathworks.com/help/matlab/creating_plots/graph-with-multiple-x-axes-and-y-axes.html

ToHow can we subtract two graphs using a command...?
as the coordinates of each points of those 2 graphs are probably not matching, I suppose that you can use linspace or spline fun...

mat to xlsx conversion
YourArray = [col1;col2;...]; % vectors varNames_ARR = {'col_1';'col_2';...}; %strings - header of your vector column (do not us...

you can try this function (stefslon-exportToPPTX-b2a106d): exportToPPTX https://fr.mathworks.com/matlabcentral/fileexchange/4...

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How can I get the 95% confidence interval for the 3 parameters of a Weibull distribution?
I am not sure but : if you define the Weibull function and use the Non Linear Regression fit (fitnlm) in Statistics/Machine Lea...

how to calculate this equation?
Hello, maybe I did not understood your problem cause l4=P4-P3; and you want to solve: (P4-P3)⋅(P4-P3) - l4^2=0, which means (P4...

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How to define a custom equation in fitlm function for linear regression?
To proceed with a custom function it is possible to use the non linear regression model The example below is intended to fit a...

1年以上 前 | 0

How to obtain Std of Coefficients from Curve Fitting
you can maybe use polyfitn https://fr.mathworks.com/matlabcentral/fileexchange/34765-polyfitn

How can I save the MATLAB Command Window output to a text file?
diary_name = strcat(datestr(now),'_diary.txt'); diary_folder = pwd; diary(diary_name) disp(datestr(now)) diary off (I am n...

Why doesn't legend location have "center"
It is just a remark : sometimes, placing the legend in the center of a blank graph is useful. Especially when having the sam...

2年以上 前 | 0

Write sigma in uicontrol / text
list of greek characters : https://sites.psu.edu/symbolcodes/languages/ancient/greek/greekchart/ For displaying \Theta in a gui...

2年以上 前 | 0

How can i convert image sequence to video
thank you for your explanations, I think you'd better keep this code as it is, because it works well, and also it is quite gener...

2年以上 前 | 0

How can i convert image sequence to video
well, usually, people who want to make a video from a sequence of photos, they are considering photos having similar length and ...

2年以上 前 | 0

How can i convert image sequence to video
as you can see, I just found the lines defining the image size in the MakeVideo.m code, and modify accordingly to prevent disto...

2年以上 前 | 0

How can i convert image sequence to video
OK I got it at line 499 of your code : % Define the output size videoRows = 1458; %1080; vidColumns = 1385; %1980; ...

2年以上 前 | 0

How can i convert image sequence to video
thank you so much, it works very well. I have just one concern : the images size is not kept when converting to video. Is there ...

2年以上 前 | 0

How to Publish matlab outout and code in pdf.

3年弱 前 | 0

matlab 2019b plot zoom in does not work
same problem, using subplot programmably on R2018b. But zoom in is sometimes working, and sometimes not, while running exactely ...

3年弱 前 | 0

legend in loop for data and fit
dear all, I am trying to create a legend using a for loop and plotting both data and fit for each set. So I have alternative...

3年以上 前 | 0 件の回答 | 0

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fitting with my function
Hello, I would like to fit experimental data using my own fit function. My function depends on 2 parameters (p1,p2) that I woul...

3年以上 前 | 1 件の回答 | 0

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how do I modify the axis in plot(x,y)?
hello, what about a function to modify the xTicks label with a non-linear function of x ? For example, displaying the grid as ...

4年弱 前 | 0

set x-axis intervals as cubic of X
x = 0:9 ; y = 2+3.*x; figure; plot(x,y); xt = get(gca, 'XTick '); xtlc = sprintfc('%.1f', xt.^3 ); set(gca, 'XTick', xt, 'XTi...

4年弱 前 | 0

set x-axis intervals as cubic of X
hello, I am really sorry to bother you all with this question, I know that there is a solution somewhere in a forum (yesterday ...

4年弱 前 | 1 件の回答 | 0