# Richard Wood

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**Content Feed**

Question

How to avoid pop-up that overlaps all programs

Hello everyone I'm currently running some long calculations that involve the inpaint function (https://es.mathworks.com/matlabc...

19 days ago | 0 answers | 0

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answersQuestion

Creation of a 2D colormap to represent simultaneously information about the polar and azimuthal angles

Hello everyone I'm currently trying to find an efficient way to represent my attached data set. This corresponds to the compone...

2 months ago | 0 answers | 0

### 0

answersQuestion

Quality/compression problem using VideoWriter

Dear all I have a problem with the sharpness with which my videos are generated by VideoWriter compared to when I individuall...

5 months ago | 1 answer | 0

### 1

answerQuestion

Non-pixelized image using imagesc (or alternatives)

Hello everyone I have generated an image using imagesc, which looks like this The problem is that you can see the pixe...

6 months ago | 3 answers | 0

### 3

answersQuestion

About the use of imagesc

Dear all I am using imagesc to generate a figure using MatLab. I have something like this: space_x=linspace(0,40,115); s...

6 months ago | 1 answer | 0

### 1

answerQuestion

Exact replication of a colorbar

Dear all I have been asked to replicate the exact colorbar scheme that I put in the attached figure. How could I do this? ...

6 months ago | 3 answers | 0

### 3

answersQuestion

Replicate a colormap in MATLAB

Hello everyone I have been asked to replicate this type of color coding based on the value of angles in spherical coordinates...

7 months ago | 2 answers | 0

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answersQuestion

Initial conditions in a fitting

Hello everyone I'm trying to figure out the impact of boundary conditions on a fitting. The file where my fitting is defined ...

7 months ago | 1 answer | 0

### 1

answerQuestion

Upload files with almost the same name in different components of a matrix

Dear all Let's imagine that I have multiple files in my current folder, which are as follows: spins-00000000.data, spins-0000...

10 months ago | 1 answer | 0

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answerQuestion

Creation of a fitting function with if conditions involved

Hello everyone I am trying to create a fitting function in a separate script from where I'm handling the data (let's call the...

1 year ago | 1 answer | 0

### 1

answerQuestion

Put arrows on a continuous line plot to show direction of evolution

Hello everybody What I am trying to do is yo show, through, for example, the quiver function, the direction of evolution of my ...

2 years ago | 1 answer | 0

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answerQuestion

Iteratively rename a .txt using writematrix

Hello everybody, I have created the following array: substrates={'MgO' 'SiO2' 'W' 'Al2O3' 'Sapphire'}; What I want to do is, ...

2 years ago | 1 answer | 0

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answerQuestion

Impose a numerical limit on the value of a sum of two vectors

Hello everyone I want to sum two arrays, let's say a1 and a2. However, I seek that the sum, element by element, of these vect...

2 years ago | 3 answers | 0

### 3

answersQuestion

Solve a system of three coupled first-order differential equations

Hello eveyone, I'm trying to solve the system of coupled first-order differential equations that appears in the PDF that I atta...

3 years ago | 1 answer | 0

### 1

answerQuestion

Construct an array from the position of a certain value in a matrix

Hello everyone Let's assume we have a matrix, which I attach, matrix.dat, which has 220x200 elements (https://we.tl/t-KwSPQEs...

3 years ago | 0 answers | 0

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answersQuestion

Obtain a random number from a truncated normal distribution

Hello everyone, I want to obtain a random number from a truncated normalized distribution. Let's say that we have the followi...

3 years ago | 3 answers | 0

### 3

answersQuestion

Load sequential numbered files in MatLab on the same script in different subfolders

Hello everyone, Let's imagine I have my MatLab script at the following address: "C:\Users\890384\Desktop\MatLab". Inside thi...

3 years ago | 1 answer | 0

### 1

answerQuestion

Problems using the curve fitting app

Hello everyone, I'm a bit stuck on how the curve fitting toolbox works. I attach the data with which I am working, where "mx_...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to change the plot title and file name when saving it to a for loop

Hello everyone I have the following arrays of relevance to the question: substrates=["MgO" "SiO2" "W"]; substrates_title=["...

3 years ago | 1 answer | 0

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answerQuestion

Creation of a colorbar with quantized solid block-like colors and 180º rotation of the colobar label

Hello everyone, I am dealing with the following type of figure u1=figure(i) imagesc(pulse_duration.*(10^(12)),amplitu...

3 years ago | 1 answer | 0

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answerQuestion

Storing different values on a matrix depending on the last value of some arrays on concatenated for loops

Hello everyone, I am evaluating a problem that requires the resolution of a second order differential equation, which must b...

3 years ago | 0 answers | 1

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answersQuestion

Solve a second-order differential equation with an array parameter that does not depend explicitly on the independent variable

Hello everyone, I am trying to solve a second-order differential equation, which includes a parameter whose value for each step ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Resolution of a second-order differential equation for multiple variable parameters

Hello everyone, I am trying to solve a second-order differential equation, given by Eq. (1) in the document attached in this ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Convert a 1x1 cell to a .dat file

Hello everyone I am trying to do, probably, a very simple task. Actually, I have in my workspace a variable called 'sol', whi...

3 years ago | 1 answer | 0

### 1

answerQuestion

Resolution of a second-order differential equation for different regions controlled by an external parameter

Hello everyone I am trying to perform a time integration to a second-order differential equation numerically. The objective i...

3 years ago | 1 answer | 0

### 1

answerQuestion

Curve fitting to a non-linear created equation

Hello everyone I have a doubt concerning a fitting that I am trying to obtain. Suppose my independent variable is called "spa...

3 years ago | 0 answers | 0

### 0

answersQuestion

Solve numerically a system of first-order differential equations

Hello everyone, I have the following set of coupled first-order differential equations: a*x'/z+y'=b; x'/z-a*y'=c*sin(2*y); ...

3 years ago | 1 answer | 1

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answerQuestion

Smoothing of noisy data

Hello everyone, I want to smooth my data, which looks like It is possible to see a trend, more or less. Using smooth(data) ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Frequency extraction of multiple monochromatic waves from a multidimensional array

Hello everyone, I describe what files I have attached in this question (see them here: https://wetransfer.com/downloads/b1b57...

3 years ago | 0 answers | 0

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answersQuestion

Save an array with multiple rows and columns in .txt file

Hello everyone, my question is very simple. I have a big array (30001x2434 elements), and I want to save all the data in .txt...

3 years ago | 1 answer | 0