# Alberto Cuadra Lara

### Universidad Carlos III de Madrid

Web: https://acuadralara.com. Current position: post-doctoral researcher in Fluid Mechanics

**Programming Languages:**

Python, MATLAB

**Spoken Languages:**

English, Spanish

**Professional Interests:**

App Building, Applied Mathematics, Compressible Flow and Hypersonics, Combustion and Turbomachinery, Fluid Mechanics

**Statistics**

RANK**917**

of 295 192

REPUTATION**80**

CONTRIBUTIONS

**1** Question

**33** Answers

ANSWER ACCEPTANCE **
100.0%
**

VOTES RECEIVED**6**

RANK**3 744** of 20 185

REPUTATION**393**

AVERAGE RATING**5.00**

CONTRIBUTIONS**8** Files

DOWNLOADS **67**

ALL TIME DOWNLOADS**2492**

CONTRIBUTIONS**0 Posts**

CONTRIBUTIONS**0** Public Channels

AVERAGE RATING

CONTRIBUTIONS**0** Highlights

AVERAGE NO. OF LIKES

**Feeds**

whats wrong with this app?

Hi Muazma, I guess the property Osmotisk_data is obtained from app3, right? In that case, you should refer to X = app.Callinga...

9 månader ago | 0

How to invoke a matlab.apps.AppBase based class without App Designer?

Hi Kenneth, I think that should work. Have you saved the *.m file with the same name as the *.mlapp? Otherwise you should rena...

9 månader ago | 0

How can I avoid looping here?

Hello Behrooz, By using elementwise operators {.* .^ ./}. Best, Alberto % Definitions STD_w=0.05; STD_gama=5; mea...

nästan 2 år ago | 0

How to plot it please help

Hello Melika, If you want to extract the results, I recommend to use WebPlotDigitizer. This can also be done with MATLAB. After...

nästan 2 år ago | 0

| accepted

Saving the timestamp for each iteration in an array

Hi Lola, The property date_final is already a cell, so you are saving a cell value of the cell, which is not what you want. % ...

nästan 2 år ago | 0

Add second y axis for a single data

Hello Gunay, Use yyaxis, here is a simple example. Best, Alberto x = [3,5,6,8,11]; y1 = [6,7,9,14,17]; y2 = [0.5,2,5,7,11]...

ungefär 2 år ago | 0

| accepted

plot the following equation in file

Hello Shiv, I would proceed as follows. The figure is not similar, but it may be useful to see the procedure. Best, Albert...

ungefär 2 år ago | 0

why the plot is not coming, is my plot function is wrong? please find the defect in the code.

Hello Sahil, You are plotting a point not a vector with the same length as the time variable. Remove the mean function. I als...

ungefär 2 år ago | 0

| accepted

adding for loop with linspace with many variables

Hi Dana, I'm not sure if this is what you expect, but here is the code without errors. I have changed the handle functions to v...

mer än 2 år ago | 0

adding for loop with linspace with many variables

Hello Dana, There are inconsistencies in your code: x is not defined before use it The loop is not properly defined, for i ...

mer än 2 år ago | 0

Add and delete Tree nodes with context menu in app designer

Hi Jae-Hee, You can delete the node directly as follows % Remove node of UITree delete(app.TreeNode) % If you want to remove...

mer än 2 år ago | 0

| accepted

Multiple Font Sizes in for a label in app designer

Hello Leon, I'm not sure if this is possible, because the font size is a property of the Label class. My approach would be to u...

mer än 2 år ago | 0

| accepted

Calculate dV/dQ to plot differential voltage analysis curve?

Hello Ekagra, I guess you have numerical values of the voltage as a function of the discharge/charge capacity, right? In this c...

mer än 2 år ago | 1

| accepted

How to compute values using for loop then depending on time interval we plot the output?

Hello Mohammed, There is no need to use loops here. MATLAB works great with vectors and is designed for this purpose. I hope th...

mer än 2 år ago | 0

Plotting differential equation results

Hello Sabella, I have not worked too much with symbolic, but I think this approach may solve your problem. In case you want ...

mer än 2 år ago | 0

| accepted

How to plot the results from dsolve matlab

Hello Sabella, I have not worked too much with symbolic, but I think this approach may solve your problem. In case you want ...

mer än 2 år ago | 0

How to display decimal points on a graph ?

Hello Steven, To display decimals point you can use xtickformat and ytickformat for the x and y axis, respectively. Also, you...

mer än 2 år ago | 1

| accepted

How to take a "differential equation" as input from user in matlab appdesigner?

Hi Himalay, As @Walter Roberson commented, support of character vectors and strings will be removed in a future release. Anyway...

mer än 2 år ago | 1

To save plots without showing them on the screen

Hi Vahid, Just set the property 'visible' of the object figure to 'off'. f = figure('visible','off'); hold on for k=1:length...

mer än 2 år ago | 0

| accepted

how can i call vector and their element at a time for comparision

Hello Chaudhary, I see... Okay so you need to use the eval function, but it will be much slower. % Input Fr1 = [0.8147; 0.905...

mer än 2 år ago | 0

how can i call vector and their element at a time for comparision

Hi Chaudhary, A loop using the function any will be my approach. % Input Fr1 = [0.8147; 0.9058; 0.1270; 0.9134; 0.6324]; Fr...

mer än 2 år ago | 0

| accepted

I would like my code to allow the user to plot as many circles as they want until the user right clicks, if the circle plotted intersects any other circle it must change color

Hello Brock, As other members of the community have pointed out, there were few conditions missing. I have reorganize your scri...

mer än 2 år ago | 0

Error message: Too many input arguments

Maybe the round function was not compatible with symbolic variables on previous version. Try this approach: Convert matr to f...

mer än 2 år ago | 1

| accepted

Error message: Too many input arguments

Hi Quy! What version of MATLAB are you using? Your code works in MATLAB 2021b syms A1 B1 A2 B2 A3 B3 A4 B4 eq1 = A1*log(4)+...

mer än 2 år ago | 1

Why does it return 0 value? (Plotting fourier series)

Hello Tu, Check the definition of F_0, it's empty clc clear all close all L = 1; syms x n = [-4:4]; rectn = rectangula...

mer än 2 år ago | 0

How can I Plot Curves all starting at a specific Point (0;900).?

Hi Andy, if I have understood correctly this should work % MATLAB Answers: How can I Plot Curves all starting at a specific P...

mer än 2 år ago | 0

| accepted

How to remove the number 0 between index1 & index2 ?

Hi Seungkuk, There you have it. The tricky thing here is that you have to create a vector of the same length as your input, who...

nästan 3 år ago | 0

| accepted

plot is showing blank

Hello Kundan, Some comments: H1, I could not find the value in the paper. See Ref 22. and verify the value. R_T is the para...

nästan 3 år ago | 0

| accepted

plot is showing blank

Hello again Kundan, I have to go and couldn't find the exact error. Some comments: Check the value of the constants and unit...

nästan 3 år ago | 0

Insert Mathlab figure in Latex

Hello Telema, It appears that the Latex compiler you are using could not find the file. Usually empty spaces give errors. Try r...

nästan 3 år ago | 0

| accepted