# ErikJon Pérez Mardaras

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**Content Feed**

Question

Issue solving a non-linear differential equation in Matlab

Hi everyone, I am trying to resolve the following non-linear differential equation in matlab: For which I have written the f...

ongeveer 2 maanden ago | 1 answer | 0

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answerQuestion

Differences between imshow() and image() ?

Hi everyone, As long as I know, there are two ways of displaying an image on matlab. One way is by using imshow imshow('image...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

How to detect left mouse clicks within an area of an image

Hi everyone, I am trying to display an image and what I want to do is to record in the variable h if the user clicks within an ...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

How to plot a grid with a for loop.

Hi everyone, I am trying to design a program which must be able to plot a grid (of dost for example in this specific case). So...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

Real time Neural Network issue with "preparets".

Hi everyone, I am trying to execute a real time neural network and, as long as I know, I need the preparets() function to “prep...

2 maanden ago | 0 answers | 0

### 0

answersQuestion

Same script different drawing result in matlab app deisgner.

I am making a gears drawing and calculation app in matlab app designer in wich the user enters some variables and its values, an...

7 maanden ago | 0 answers | 0

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answersQuestion

The same script works perfectly on Matlab and does not on app designer

I have made a code which the user enters as inputs several variables and when running the code, it (the code) calls several scr...

7 maanden ago | 1 answer | 0

### 1

answerQuestion

'Matrix dimensions must agree' error in matlab app designer

I am doing the following app. There is a drop menu (called app.menu) in which the user selects one of the options there, then, ...

7 maanden ago | 1 answer | 0

### 1

answerQuestion

Problem with format rational

I think this question is more direct, specific and right to the issue than the previous one. The point is that I have a great...

8 maanden ago | 0 answers | 0

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answersQuestion

Output result's format?

I am executing a great-script which has inside it another mini-scripts. Those scripts execute mathematical operations in order...

8 maanden ago | 2 answers | 0

### 2

answersQuestion

Size issue in Matlab App Designer

I am designing the following app in Matlab app.designer As you can see, when I click run, the sizes are the same But when ...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

Calling a Script within another script?

Since a similar question is posted on the forum, I have used the command run() as one of the members of the forum said, but It s...

8 maanden ago | 2 answers | 0

### 2

answersQuestion

Conditionals in Matlab app.designer?

I'm trying to design the following app. The user choose one of the following values in the dropmenu and the clicks the button. I...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

Empty windows in EditFields of app.designer?

I'm designing an app in which you select some input variables and its values, and after clicking the button calculate, the apps ...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

Deformed plots and extra windows plotting in matlab app.designer

I am the same person of the previous question. So I am trying to design an app which, when I click on the button, a circle is ...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

Draw a circle on matlab app designer?

I am making an app on Matlab app designer which consist on the following as you can see below: A graph panel and a Button, which...

8 maanden ago | 2 answers | 0

### 2

answersQuestion

-If else- conditionals in matlab app.designer?

I have a doubt about conditionals on matlab app.designer. For example in this litlle and simple app. I have defined a private v...

8 maanden ago | 3 answers | 0

### 3

answersQuestion

How to call a script when clicking on a button in matlab app.designer?

I am trying to do the following app: In which, when clicking on the button, a script is executed and its numerical calculatio...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

How to declare a global variable in Startup function of matlab app.designer

I want to declare a global variable in matlab app designer's startup function in order to use it continuously through the app's ...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

The program doesn't re-read variables's values in Matlab app.designer

I made the following program in matlab app.designer. The point here is that you introduce the variables "m" and "a" in whatev...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

How to clear the value from a numeric or text edit field on Matlab App Designer?

As you can see in the following image, I have an app.editfield (numeric) called app.editfieldN and another app.editfield (text) ...

8 maanden ago | 2 answers | 0

### 2

answersQuestion

How to know if a Point belongs to a curve?

I have a point P given by its coordinates like this: P=[xp;yp]; And I have the function curve, which is a 2x900 matrix that ha...

10 maanden ago | 1 answer | 0

### 1

answerQuestion

How to draw only a part of a known curve?

I have made this The blue plot, is a curve defined like this: curve=[xco0 xco1 xco2 xco3 xco4 xco5 xco6 xco7 xco8;yco0 yco1 ...

10 maanden ago | 1 answer | 0

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answerQuestion

How to draw an Arc in the direction you want? (with known radius, centre and angle)

I'm trying to draw an arc between 350º and 0º angles, but the point is that I would like to draw it in counter-clock wise. What ...

10 maanden ago | 1 answer | 0

### 1

answerQuestion

Mirror plotting a curve

I would like to plot mirror the blue curve from the x=0 vertical axis So to achieve something like that: Is there any ...

11 maanden ago | 1 answer | 0

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answerHow to combine multiple functions/lines/arcs in only one?

The solution in making a matrix like that arc=[x1 x2 x3 x4 x5 x(n)... ;y1 y2 y3 y4 y5 y(n)...] Important putting the first c...

11 maanden ago | 0

| accepted

Question

How to combine multiple functions/lines/arcs in only one?

I have drawn the following arc (drawn in pink) Using and putting one next to another the following arcs (each one with differ...

11 maanden ago | 1 answer | 0

### 1

answerQuestion

"InterX" gives me TWO coordinates instead of ONE. How can I solve this?

I execute this code in the command window: hold on grid axis equal Q=11; x1=0; y1=0; R=10; %% %DIBUJO DE LA CIRCUNFERE...

11 maanden ago | 0 answers | 0

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answersQuestion

Unknown error in my m.function

I have designed a m.function in a matlab scripts that calculates the angle between a vector you enter in it as an input and the ...

11 maanden ago | 1 answer | 0

### 1

answerQuestion

Delete parts of plotted figures?

I have made this image with this code: axis equal hold on caca=2*pi(); ang=linspace(0,caca); xp=5*cos(ang); yp=5*sin...

11 maanden ago | 2 answers | 0