Richard Wood

Last seen: Today Active since 2020

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Extract numeric values ​​from a colormap
Hello everyone I am trying to extract the numerical values ​​of a variable represented in the following colormap with its respe...

2 days ago | 1 answer | 0

1

Question

Choosing the role of NaN elements in the sum environment of matrices
Hello everyone I would like to know what would be the best way to add element by element two matrices, a and b, which, for simp...

2 months ago | 1 answer | 0

1

Question

Keep elements of an array that only fall within a given closed shape
Hello everyone I have the following two vectors defined in my system: space_a=linspace(0,168.3934962848858,500); % nm space_b...

2 months ago | 1 answer | 0

1

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Find the 3D components-based row of an array that most closely matchs a given vector
Hello everyone I'm currently trying to find the most efficient way to find which three components-based row of an array is the ...

3 months ago | 1 answer | 0

1

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Replication of a skyrmion-like structure in MatLab
Hello everyone I have found this kind of "tutorial", skyrmion representation in MatLab, where a whirling structure in the shape...

3 months ago | 1 answer | 0

1

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Customized 3D vector representation
Hello everyone I was wondering if it would be possible to customize the way in which the directionality of a three-dimensional ...

4 months ago | 1 answer | 0

1

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Smooth 2D data in non-regular distribution pattern for colormap-based representation
Hello everyone I have a discrete set of data which looks like the one represented by the dots within the white background-based...

4 months ago | 1 answer | 0

1

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Localize the third vector position using regexp
Hello everyone, I am analyzing some data files in a loop, which look like this: #---------------------------------------------...

5 months ago | 1 answer | 0

1

Question

Equally spaced figures in tiledlayout environment
Hello everyone I have generated the following image through the tiledlayout environment: which I have generated through the ...

5 months ago | 1 answer | 0

1

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Replication of a colorbar in MatLab
Hello everyone I am trying to impement this colorbar: My attempt has been the following: colorA=[192 148 92]./255; colorB=...

5 months ago | 1 answer | 0

1

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How to deal with files in which rows have different numbers of columns
Hello everyone I'm trying to deal with the loading and manipulation of a file (with a different extension than .txt and .data),...

5 months ago | 3 answers | 0

3

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Manually modifying title position in tiledlayout environment
Hello everyone I was wondering if it is possible to manually modify the overall title position in the tiledlayout environment. ...

6 months ago | 1 answer | 0

1

Question

Smooth 2D colormap based on non-evenly distributed data
Hello eveyone I am trying to find an optimal way to represent, in a smooth 2D colormap, the data that I am attaching in this po...

6 months ago | 2 answers | 0

2

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Applying a color for each pair of spherical angles through the hue and lightness parameters
Hello eveyone I have characterized which is the the polar and azimuthal angles of a vector representation in each point of a 2D...

7 months ago | 1 answer | 0

1

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...

9 months ago | 0 answers | 0

0

Question

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...

1 year ago | 1 answer | 0

1

Question

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...

1 year ago | 3 answers | 0

3

Question

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

1 year ago | 1 answer | 0

1

Question

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? ...

1 year ago | 3 answers | 0

3

Question

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...

1 year ago | 2 answers | 0

2

Question

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 ...

1 year ago | 1 answer | 0

1

Question

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...

1 year ago | 1 answer | 0

1

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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...

2 years ago | 1 answer | 0

1

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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 ...

3 years ago | 1 answer | 0

1

Question

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, ...

3 years ago | 1 answer | 0

1

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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...

3 years ago | 3 answers | 0

3

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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

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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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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