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# Sergio Yanez-Pagans

### University of Arizona

Last seen: 4 mesi fa Attivo dal 2021

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Risposto
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...

6 mesi fa | 0

Risolto

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

6 mesi fa

Risolto

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

6 mesi fa

Risolto

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

6 mesi fa

Risolto

Return area of square
Side of square=input=a Area=output=b

6 mesi fa

Risolto

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

6 mesi fa

Risolto

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

6 mesi fa

Risolto

Given a and b, return the sum a+b in c.

6 mesi fa

Inviato

Peaks and Dips
Easily allows you to automatically find, plot, and label local maxima (peaks) and local minima on MATLAB

Inviato

LineMarks
Adds "line marks" in order to label and identify constant values or allows to highlight data intervals

Inviato

Plot,....but plot well!
Fix your horrible default MATLAB plot/graph/figure in 1 easy step

Risposto
Convert 2d image to 3d coordinates

6 mesi fa | 0

Risposto
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...

6 mesi fa | 0

Inviato

Squiggly Arrows
Easiest way to draw a squiggly arrow

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

circa un anno fa | 0

Domanda

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...

circa un anno fa | 2 risposte | 1

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Domanda

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

circa un anno fa | 0 risposte | 0

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risposte

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

oltre un anno fa | 0

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

oltre un anno fa | 0

Risposto
How to remove the tic labels but not the marks?

oltre un anno fa | 0

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

oltre un anno fa | 0

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

oltre un anno fa | 0

Domanda

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...

oltre un anno fa | 1 risposta | 0

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Risposto
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 ...

oltre un anno fa | 1

Domanda

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 ...

oltre un anno fa | 1 risposta | 0

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Risposto
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...

oltre un anno fa | 0

Risposto
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...

oltre un anno fa | 0

| accettato

Risposto
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 ...

oltre un anno fa | 0

Risposto
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...

oltre un anno fa | 1

| accettato

Risposto
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/...

oltre un anno fa | 0