Statistics
RANK
183
of 244.188
REPUTATION
438
CONTRIBUTIONS
0 Questions
148 Answers
ANSWER ACCEPTANCE
0.00%
VOTES RECEIVED
35
RANK
of 17.069
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Contribute at least one answer each month for 3 consecutive months
Awarded to Simon Chan on 02 Oct 2021
20 of your answers have been accepted
Awarded to Simon Chan on 18 Jul 2021
Provide your first answer ever to someone else's question
Awarded to Simon Chan on 08 Jul 2021
Content Feed
Using figure to change to fullscreen size then save it as png
Try the following for the figure you want to enlarge: fig1 = figure(1); fig1.WindowState = 'maximized';
2 Tage ago | 0
| accepted
Radially plot ROIs on image
Try using function cart2pol, following is an example clear; clc; Ny = 1000; Nx = 1000; Nz = 30; ...
20 Tage ago | 0
| accepted
What's the problem here?
function im2gray does not accept the jpg image, it accepts the image in pixel values Try the following: pic = imread('good_day...
22 Tage ago | 0
| accepted
Figure with 17x17 subplot
Another option is use function tiledlayout tiledlayout(17,17,'TileSpacing','none','Padding','none'); nexttile
22 Tage ago | 0
| accepted
How to read specific sheet from an excel file using readcell?
Try the following for an excel file name 'demo.xlsx', and sheet name 'Signals'. It is the same for readtable or readmatrix. re...
24 Tage ago | 1
| accepted
My frequency plot isn't showing anything
The idexing for frequency and residual torque, variable w and S starts from 1 to 1000 and from 2 to 11 resepctively. So I think...
24 Tage ago | 0
| accepted
Add '_max' to odd variable names and '_min' to even ones.
Suppose the table is called T, then try the following: T.Properties.VariableNames(1:4) = {'t_max','t_min','ang_azi_max','ang_az...
etwa ein Monat ago | 0
How do a cell2mat conversion for a non-uniform cell to a matrix
Do it in several steps as follows: idx.size = cellfun(@length,DD); idx.padded = max(idx.size)-idx.size; DDpadded = cellfun(@(...
etwa ein Monat ago | 1
| accepted
Differentiate between oval and circle shaped images using MATLAB
You may try function bwconvhull by adding the following 2 lines. However, I am not sure how robust it is for other pictures. B...
etwa ein Monat ago | 0
how to join the values of different cells in different columns in one cell ?
Suppose you read the file using function readtable and the name of the table is T, then variable C in the following will give yo...
etwa ein Monat ago | 0
How to change the color of my plots
Just put the color code for the markers. May try the following: for n=.3*N:N x=(1-d).*x.*exp(a.*(1-x).*((x/0.2)-1))+d.*y.*...
etwa ein Monat ago | 0
| accepted
Fix "index exceeds number of array elements"
j is going to be the index and hence theta_x should not be use Try the following: for j=1:length(theta_x) s(j)=L1(j)^2+L2...
etwa ein Monat ago | 0
| accepted
How to use writematrix to create a single xlsx file with multiple sheets with name of the analysis file?
Use function <https://www.mathworks.com/help/matlab/ref/fileparts.html fileparts> to extract the name instead of the entire file...
etwa ein Monat ago | 1
find ID's of repeated values in array
You may use a for loop as follows: idx = zeros(1,length(t1)); for k = 1:length(t1) idx(k) = find(ismember(t2,t1(k))); en...
etwa ein Monat ago | 0
| accepted
cration of contents inside the cell array of uniform size
May try the following to add NaN to the new rows load('data.mat'); addrow = cellfun(@(x) 8-size(x,1),Data,'uni',0); result = ...
etwa ein Monat ago | 0
Why is it not working?
Index jj is not defined inside the for-loop, i guess the code should be modified as the following for ii=1:26 for jj = 1:2...
etwa 2 Monate ago | 0
| accepted
Index in position 2 exceeds array bounds (must not exceed 1) ?
One of the input argument is variable 'c' and you use the same name again for the size of variable 'a' and hence gives you an er...
etwa 2 Monate ago | 1
| accepted
Area fill under a curve
Check the MATLAB documentation about area. w is a function handle and it is not supported. Try the following: x=linspace(0,2*...
etwa 2 Monate ago | 0
Separate 24 digits single array of data loaded from file into 6 different arrays
Try the following by converting the text using function num2cell. clear; clc; fid = fopen('data.txt'); d = textscan(fid,'%s')...
etwa 2 Monate ago | 0
| accepted
Edge detection in gradient images
Try Otsu's method rawdata=imread('capture 1.png'); I = rgb2gray(rawdata); level = graythresh(I); BW = imbinarize(I,level); ...
etwa 2 Monate ago | 1
what happened to my install ?how to solve this proplem?
If your installation runs on WIndows, please check whether you have adminstrator right or not. On the other hand, you may refer...
etwa 2 Monate ago | 0
Plot 3D surface from Excel .csv File
You may extract the data using function readmatrix. clear; clc; rawdata = readmatrix('data.csv'); x = reshape(rawdata(:,1),[]...
etwa 2 Monate ago | 1
| accepted
How to write new data to the existing excel file?
You may replace the entire loop by using 'Append' as follows: writetable(T,'Results.xlsx','UseExcel', true, 'WriteMode','Append...
etwa 2 Monate ago | 0
Plots with different colors
Put the index and hold on inside the loop figure(1) for i=1:length(Re) if Re(i) < 2*10^3 loglog(Re(i),f(i),'xb','Lin...
etwa 2 Monate ago | 0
| accepted
How can I set the colorbar for a specific series of value ?
Adjust the Limits and Ticks as follows: cb = colorbar cb.Limits = [300 2100]; cb.Ticks=300:300:2100;
etwa 2 Monate ago | 0
| accepted
Best fit line in log-log scale
Like this? p=polyfit(log(X),log(Y),1); y=polyval(p,log(X)); figure(1) loglog(Re,f,'x','LineWidth',1) hold on loglog(X,exp(...
etwa 2 Monate ago | 0
| accepted
How to sort a 3D matrix according to the value of each element?
If I understand correctly, you would like the larger value(s) in the last rows and the largest one on the bottom right hand cor...
etwa 2 Monate ago | 0
using matlab fileread function for some portion of text data
Use function textscan to read the first 50 lines and the header will be stored on a cell array. fid = fopen(fullfile(filepath,f...
etwa 2 Monate ago | 1
| accepted
Subplot arrangement: 6 by 2 plot
Try this: figure(1) subplot(6,2,1) plot(1:10,randi(10,1,10)) hold on subplot(6,2,3) plot(1:10,randi(10,1,10)) subplot(6,2...
etwa 2 Monate ago | 0
| accepted
How to label the centers of circles according to their position on axes?
Try this and still using function text: clear; clc; I = ones(400,600); sorted_centers_x = repmat(50:100:550,1,4); sorted_cen...
2 Monate ago | 1
| accepted
