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# Sergio Yanez-Pagans

### University of Arizona

Last seen: meer dan een jaar ago Active since 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...

bijna 2 jaar ago | 0

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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

bijna 2 jaar ago

Solved

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.

bijna 2 jaar ago

Solved

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 ...

bijna 2 jaar ago

Solved

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

bijna 2 jaar ago

Submitted

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

Submitted

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

Submitted

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

Convert 2d image to 3d coordinates

bijna 2 jaar ago | 0

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...

bijna 2 jaar ago | 1

Submitted

Squiggly Arrows
Easiest way to draw a squiggly arrow

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

meer dan 2 jaar ago | 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...

meer dan 2 jaar ago | 2 answers | 1

### 2

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

meer dan 2 jaar ago | 0 answers | 0

### 0

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

meer dan 2 jaar ago | 0

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

meer dan 2 jaar ago | 0

How to remove the tic labels but not the marks?

meer dan 2 jaar ago | 0

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

meer dan 2 jaar ago | 0

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

meer dan 2 jaar ago | 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...

bijna 3 jaar ago | 1 answer | 0

### 1

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 ...

bijna 3 jaar ago | 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 ...

bijna 3 jaar ago | 1 answer | 0

### 1

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...

ongeveer 3 jaar ago | 0

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...

ongeveer 3 jaar ago | 0

| accepted

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 ...

ongeveer 3 jaar ago | 0