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Akira Agata


MathWorks

492 total contributions since 2016

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Answered
How can I change the retime function in order to do a median(A,'omitnan')?
How about the following? retime(Liv_dom_an, 'monthly', @(x) median(x,'omitnan'))

2 dagen ago | 0

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Answered
Surface area calculation for irregular shape
How about the following? %% Example in the following page % https://jp.mathworks.com/help/matlab/visualize/visualizing-volume-...

3 dagen ago | 0

Answered
Eye Diagram from text file values
The following is one simple example. I hope this would be some help for your research! % Load PRBS pattern D = dlmread('PRBS_...

5 dagen ago | 0

Answered
How to cluster a network?
How about applying biconncomp function? The following is an example: % Sample Graph s = [1 1 2 2 3 4 4 5 6 6 7 7 8]; t = [2 ...

7 dagen ago | 0

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Binary String Generator With Minimum Distance
How about using BCH code ? Theoretically, BCH(n,k) encoded binary sequences has minimun distance of bchnumerr(n,k)*2+1. So if ...

10 dagen ago | 2

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Answered
How to prevent envelope crossing through function.
That is due to a characteristics of interpolation method (Spline) used in the envelope function. How about detecting peaks and i...

10 dagen ago | 2

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Answered
How to plot intensity profile of an image
Hi Warid-san, You can do it by the same way, like the following. I = imread('Capture.PNG'); % Since size(I,2)/2 = 215.5, I ...

11 dagen ago | 0

Answered
Sorting matrix based on the sum of the rows
Like this? % Read data from CSV A = csvread('Counts.csv'); % Calculate order vector (pt) based on sum(A,2) [~,pt] = sort(s...

11 dagen ago | 1

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Answered
How do I extract particular column from unformatted text in .txt file
As mentioned by many experts, it's better to save as .csv format by wireshark. But if you have to do this task from the text fil...

12 dagen ago | 0

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Answered
regexp: Extract optional named tokens
How about extracting 'Name', 'Gender' and 'ID' one-by-one? The following is an example. % Read the file str = fileread('trip-...

17 dagen ago | 0

Answered
3D Surface or Multiple Line Plots from 16 iterations of 3 column XYZ Data
Like this? data = dlmread('3DDCRXYZ.txt'); g = findgroups(data(:,3)); figure hold on for kk = 1:max(g) idx = g == kk; ...

24 dagen ago | 1

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Answered
I cannot get the output, Image processing
I think several points should be checked: File path in the line 1 is correct? 3rd input argument of imnoise function should b...

27 dagen ago | 0

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How to remove triangles from an image?
How about the following? % Read the original image I = imread('image.jpg'); % Extract orange part (using Color Thresholder ...

ongeveer een maand ago | 0

Answered
Convert distance matrix to a table
Or, if you want the full list of (from, to, distance) set, how about the following? rng('default') % For reproducibility X = r...

ongeveer een maand ago | 0

Answered
creating a cell with serial names
How about the following? suffix = repmat({'AB_'},15,1); number = cellstr(num2str((1:15)','%02d')); output = strcat(suffix,n...

ongeveer een maand ago | 0

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Answered
Interpolation of a scatter plot
Seems that scatteredInterpolant function would be better. Here is an example. % Read data file T = readtable('data.xlsx'); ...

ongeveer een maand ago | 0

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Answered
Extracting a specific number from an excel cell
How about the following? [~,~,C] = xlsread('yourExcel.xlsx'); C = extractBetween(C,'(',')'); C = extractAfter(C,' '); data...

ongeveer een maand ago | 0

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Answered
Create a function and plot it
There are two ways to do this. [Solution 1] a = 500; x = 1:1000; fx = 1 + (a ./ (2.5 + x)); figure plot(x,fx) [Solu...

ongeveer een maand ago | 1

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Answered
Row/column-wise logical indexing
How about the following solution? B = arrayfun(@(k) A(L(:,k),:), 1:size(L,2), 'UniformOutput', false); Then, your can obtain c...

ongeveer een maand ago | 0

Answered
Why is theta=0 not on top
After "Ax = gca;" in your code, please add the following two lines. Ax.ThetaDir = 'clockwise'; Ax.ThetaZeroLocation = 'top';

ongeveer 2 maanden ago | 0

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Answered
How to obtain exponential equation parameter from probplot function?
I believe fitdist function should be some help.

ongeveer 2 maanden ago | 0

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Answered
how do I run a .exe within a .m file?
You can use system function to run a .exe. For example, if you save the following line in .m file and run in MATLAB on Windows P...

ongeveer 2 maanden ago | 0

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Answered
How to add labels to an array or table (after conversion from an array)
This is because some characters (such as '/' ) and white space ' ' are not allowed to use as variable names in table. Also, each...

ongeveer 2 maanden ago | 1

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Answered
How to print 1x50 array into a text file
How about the following? dlmwrite('output.txt',reshape(A(1:48),8,6)','delimiter','\t'); dlmwrite('output.txt',A(49:50),'-appen...

ongeveer 2 maanden ago | 1

Answered
How to remove or identify spikes in a random signal.
Looking at your data, negative spikes you mentioned is always less than 1000. So, if this condition is applicable to other data,...

3 maanden ago | 0

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Answered
How to put the values into the specific area and put color
You don't need to use for-loop. The following is one possible solution. A = zeros(70); % Sample 168-by-1 random array with 1...

3 maanden ago | 0

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Answered
How to avoid the repetition of events ?
How about using unique function? p = [6 4 2 3 1 17 17 21 21 27]; p = unique(p,'stable'); The output becomes like this: >> p ...

3 maanden ago | 0

Answered
How to specify line color using a hexadecimal color code
It would be due to your MATLAB version. Hexadecimal color code can be used in the latest version (R2019a). If your version is R...

3 maanden ago | 0

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Answered
Extract rows in one array based on time values in a another array +20 seconds
Simple and straight-forward way would be like this. Just in case, I have saved your truncated example of array A and B as .mat ...

3 maanden ago | 0

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Answered
HOW TO CONVERT A PNG IMAGE IN TO A EPS IMAGE?
Like this? % Read png file I = imread('peppers.png'); % Show the image figure imshow(I,'Border','tight') % Save as eps...

3 maanden ago | 0

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