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Sandro Lecci


2017년부터 활동

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Ph.D. in Neuroscience, I am passionate about signal analysis and problem solving.

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How can I create a colormap with a different colorscale for positive and negative numbers
Dear Richard, a colormap is essentially a nx3 matrix with the specification of RGB (3 columns) and the resolution in n lines....

거의 6년 전 | 0

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How to display a matrix as a picture?
Hi, What about the function imagesc ? A = [0 1; 2 3]; imagesc(A); colorbar; Best,

거의 6년 전 | 0

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For-loop, inserting loopcount into string output
Dear Emil, I haven't check whether my proposition works, I let you try it. function data = dataLoad(filename) Q = r...

거의 6년 전 | 1

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How to make this plot
Hi Stefano, Is this what you are trying to do? <</matlabcentral/answers/uploaded_files/120986/Matrix.png>> if yes then ...

거의 6년 전 | 1

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put bars in bar graph in ascending order?
Hi, Use the sort function as following: ... homepop = pop(:,2); [~, I] = sort(homepop, 'ascend'); % remove/comm...

거의 6년 전 | 0

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ecg signal frquency contents
Dear Moh, I recommend you substract the signal average to get rid of the very low frequencies. Just write this: Y = f...

거의 6년 전 | 0

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Need help moving text inside of a figure window
Dear Jacob, In your code you miss the instruction to change the direction of the text. The text object is defined only by the...

거의 6년 전 | 0

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How to set color of scatterplot bars?
dear z8080, Somehow the histograms are plotted with a FaceAlpha value of 0.6. This makes the red color looking "flatter". To...

거의 6년 전 | 2

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how to create a line plot with data from excel?
Dear Minka, I suggest you use the function line instead of plot. I would do something like this, and I let you change the val...

거의 6년 전 | 0

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How do I put multiple lines of text in the title/question section? (probably a uicontrol question)
Dear leon, try using this: dlgTitle = sprintf('Someone\n\t hello?'); % -> \n goes to a new line, and % -> \t add...

거의 6년 전 | 0

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Changing values of axis
Hi Alexander, To change the limits of the axis do the following: set(gca, 'YLim', [0.1,1]) However, your data will n...

거의 6년 전 | 0

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Finding peak value and peak arrival time from a time-domain plot and store it into a matrix.
Hi Syed, are you looking for the max value and its index ? peakValues = NaN(360, 2); %column 1 is peak value, column 2 i...

거의 6년 전 | 0

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Axis fontsize and text fontsize not matching
Dear Royk, try this: lbl = 'These two labels should now have the same fontsize 10' ; figure(1);clf set(gcf,'positio...

거의 6년 전 | 0

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How I can plot a 2D in Matlab?
Dear sama, ckeck the documentation of the surf function or the scatter3 function. https://ch.mathworks.com/help/matlab/ref...

거의 6년 전 | 0

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create 2 scatterplots side by side
Dear mini ayachi, you need to add a line after you declare each subplot to plot the data into the scatter plot. subplot(...

거의 6년 전 | 0

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How to access data in a cell array
Hy Auryn, myCell{1}(2:60,1) should do the stuff. Best, Sandro

거의 6년 전 | 2

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Can I make the loop not count the t-waves in a ECG signal?
Dear Maria, Consider using the function findpeaks with the 'MinPeakDistance' argument (that works as a refractory period) ...

거의 6년 전 | 1

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How to extract max from a cell?
Dear Luisa, maybe the function cellfun does what you are looking for. A = cell(3,1); %Store with 3 matrices of differen...

거의 6년 전 | 1

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Help with FFT for time-pressure signal
Hi, to remove the *huge zero frequency dc offset* I suggest you simply subtract the trace's average (in order to have a signal ...

6년 초과 전 | 0