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# Alajendro Fernández

##### Last seen: 2 days ago
30 total contributions since 2019

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Question

Hello everyone, I was wondering if anyone would know how to get this done differently than I do. I have this image and defined ...

4 days ago | 0 answers | 0

### 0

Question

Change the value of a matrix according to the indexes stored in another one.
Hey, goodies, let's pretend I have the next matrix. Z = zeros(5,6); And in another matrix called idx I have the information of...

4 days ago | 2 answers | 0

### 2

Question

Implementation of the Roberts operator in edge function
Hello, using the open edge command, and looking for the area in which Roberts would be implemented I have a series of questions ...

6 days ago | 1 answer | 0

### 1

Question

Get an image export with plot hold on
Hi, I was wondering if anyone would know how to export an image that has had a hold on it and a Plot. I'll explain. I have an...

17 days ago | 1 answer | 0

### 1

Question

Detect a single inflection point of the given.
Hi everyone, I was wondering if someone could help me a little to find the tipping point of that data series automatically, as d...

23 days ago | 0 answers | 0

### 0

Question

divide sides of a polygon
Hi, see if anyone can solve a problem I have. Starting from the binarize.jpeg image and using the drawpoint function I can ge...

25 days ago | 0 answers | 0

### 0

Question

Export TIF contourf with specific parameters
Hello, someone would know how I can export in TIF format, a graph that I have made using the contourf command that meets the fol...

1 month ago | 0 answers | 0

### 0

Question

Near are to a value
Hi, I was wondering if anyone knows how I can program the option for a binary image to which all its regions have been tagged to...

1 month ago | 1 answer | 0

### 1

Question

Parfor loop for saving data
Hi, I needed to know if the next loop can be implemented using a parfor, because if I do that I get an error. What I need is to...

2 months ago | 0 answers | 0

### 0

Question

Increase brightness in part of an image
Hi, I was wondering if anyone would know if it is possible to do something like what I present in the following picture. The ...

2 months ago | 1 answer | 0

### 1

Question

Save an image with a plot
Hey, see if anyone can fix a problem I have. I add an example using the sample image 'cameraman.tif', the image of the real code...

2 months ago | 1 answer | 0

### 1

Question

Increase CPU Speed - MAC
Hi, I have an i9 processor with 8 cores and I am trying to solve an image processing problem in Matlab and I am realizing that i...

2 months ago | 2 answers | 0

### 2

Question

Wait for a button to be pressed to continue the function - APP DESIGNER
Hi, there. I have the following problem. I have a callback created that calculates a number of things. When I'm calculating a pa...

3 months ago | 1 answer | 0

### 1

Question

Hi, I need to add a row of values to an array, taking into account the last row of my array (once sorted) I want the next row to...

4 months ago | 1 answer | 0

### 1

Question

Storing string of a loop
Hello, good morning, everyone. I was wondering if someone could help me. I have a loop and I need to save in a single-row matri...

4 months ago | 1 answer | 0

### 1

Hold on between different callbacks app designer
I found the solution and attached sample resolution.

4 months ago | 0

| accepted

Question

Hold on between different callbacks app designer
Hello, everybody. I have an application with four buttons and some UIAxes, one button is programmed so I can open data from .tx...

4 months ago | 1 answer | 0

### 1

Question

Copy parameters from UIAxes to other Axes in external figure app designer
Hello, greetings, everyone. Someone knows how to create a callback that when I click on it copies the graph I have represented ...

4 months ago | 1 answer | 0

### 1

Parallel close curve with no equation
I have found a “solution” you can approximate it into a polygon with polyshape and then offset it.

4 months ago | 0

| accepted

Question

Plot with customize setting in command line
Hello, I have some data which I want to save in various formats using the print function (specifically I have to save them in -d...

4 months ago | 0 answers | 0

### 0

Question

Envelope closed curve with data points
Hello, I have the positions (x,y) of all the points that form the black curve (I don't know their function), also I know the coo...

4 months ago | 0 answers | 0

### 0

Question

Parallel close curve with no equation
Hello, good morning, everyone. Would anyone know, known the points of the red curve get the rest of the graphs (the points w...

4 months ago | 1 answer | 0

### 1

Question

Multi-target data optimization
Hi, there. I was wondering if someone could help me with something. I have 3 data matrices, of which I show you the contour p...

4 months ago | 1 answer | 0

### 1

Question

Closed-curve point offset
Hi, I was wondering if anyone would know how to offset a closed curve where I know the x and y coordinates of the points (black ...

4 months ago | 1 answer | 0

### 1

Question

colormap as a function of value
Hello, I have a graph that I have made with countourf and I would like to make all the values that are higher than 10 all red, t...

5 months ago | 1 answer | 0

### 1

Question

Delete part of an image
Hi, explain below what I want to do to see if anyone would know how to fix it. I start with an image like the following: Now...

5 months ago | 1 answer | 0

### 1

Question

How to rotate surface code
Hello, everybody. I was wondering if anyone would know how to get past a 3D surface like the one I show below. In somethin...

6 months ago | 1 answer | 0

### 1

Question

Create loop with variable pitch
Hello very good, I wondered if anyone would know how to create a for loop with variable pitch, the idea is as follows: I woul...

6 months ago | 1 answer | 0

### 1

Question

How to put a variable YTICK
Hello, everybody. The doubt I have is the following: With the code that I attach at the bottom I get the graphic that I also at...

6 months ago | 1 answer | 0