# Sergio Yanez-Pagans

### University of Arizona

Last seen: plus d'un an il y a Actif depuis 2021

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How to numerically calculate the complex roots (eigenvalues) of a determinant?
Maybe this helps: https://www.mathworks.com/matlabcentral/fileexchange/94730-matrix-methods-of-linear-algebra?s_tid=srchtitle...

environ 2 ans il y a | 0

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Convert 2d image to 3d coordinates

environ 2 ans il y a | 0

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Is it possible to use the smooth function with a multidimensional matrix having NaN values?
Maybe this could be useful for you: https://www.mathworks.com/matlabcentral/fileexchange/23287-smooth2a?s_tid=srchtitle Go...

environ 2 ans il y a | 1

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Thank you Dave, that was really useful! Excellent answer =)

plus de 2 ans il y a | 0

Question

I'm trying to plot a signal, for example cos(x), with a red gradient colormap for positive values and a blue one for negative va...

plus de 2 ans il y a | 2 réponses | 1

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Question

tiledlayout within another tiledlayout
Is it possible to have a tiledlayout within another tilelayout? I would like to have 2 tiledlayouts on the same MATLAB figure

presque 3 ans il y a | 1 réponse | 0

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how to label lines on a graph
This might be useful: https://www.mathworks.com/matlabcentral/fileexchange/97964-linemarks

presque 3 ans il y a | 0

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multi bar labeling plot
I would suggest trying this: https://www.mathworks.com/matlabcentral/fileexchange/97964-linemarks

presque 3 ans il y a | 0

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How to remove the tic labels but not the marks?

presque 3 ans il y a | 0

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How do I format tick labels before R2016b?
Maybe this could be useful: https://www.mathworks.com/matlabcentral/fileexchange/97964-linemarks

presque 3 ans il y a | 0

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Indicate peak value of a signal in matlab plot
You could try this: https://www.mathworks.com/matlabcentral/fileexchange/89491-peaks-and-dips

presque 3 ans il y a | 0

Question

change color of xticklabels or yticklabels
I need help with this: ax = gca; ax.XColor = 'w'; ax.YColor = 'w'; changes the color of the axis and the xticklabels. I want...

presque 3 ans il y a | 1 réponse | 0

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How to save Excel file as a variable and pull data from it?
Using the Import Data option in the Home tab of MATLAB might be the easiest thing to you assuming you don't have tons of sheets ...

presque 3 ans il y a | 1

Question

Find empty line in text file and build array
Hello everyone, I need help with this, please. If I have a text file (.txt) which contains the following: 1 1 1 1 2 2 2 2 ...

presque 3 ans il y a | 1 réponse | 0

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How do I change the number of decimals in the axis ticks?
This might be more useful given that it only shows relevant ticks and labels (it doesn't only change the format of the label). Y...

environ 3 ans il y a | 0

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Matching deflection/Inflection points of two plotted curves
Hi Ashik, Why don't you try this?: https://www.mathworks.com/help/symbolic/find-asymptotes-critical-and-inflection-points.html...

environ 3 ans il y a | 0

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Marking the peak of a plot automatically without having to click on it
You could use my MATLAB File Exchange function: https://www.mathworks.com/matlabcentral/fileexchange/89491-peaks-and-dips ...

environ 3 ans il y a | 0

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How to find peak or dip separation in frequency domain signal
These might work for you: https://www.mathworks.com/matlabcentral/fileexchange/89491-peaks-and-dips Hope you find this use...

environ 3 ans il y a | 1

| A accepté

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How do I find the (x,y) coordinates of the peaks and valleys of a graph?
You can use my MATLAB file exchange function, it's really easy to implement and use: https://www.mathworks.com/matlabcentral/...

environ 3 ans il y a | 0

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Error using plot, vectors must have the same length
Just check the sizes of t and c. You can check this on the variable window or on the command window as follows: size(t) % will ...

environ 3 ans il y a | 1

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Changing values in atable
A good way to get what you want is to convert your table to an array. Here is an example: column1 = [2,3,4,5]'; % Data for tabl...

environ 3 ans il y a | 0