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# Simon Chan

### Hospital Authority

Active since 2021

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3D - XRD plot
Let's see function plot3 can satisfy your requirement or not. figure; ax = gca; hold(ax,'on'); plot3(ax,SampleA(:,1),repelem...

2 Tage ago | 0

How to reorder the List box items in created dialogue window?
Attached code for a listbox with move up button callback. If this is what you need, you may also implement the move down button...

2 Tage ago | 0

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Displaying message in GUI
Use function <https://www.mathworks.com/help/matlab/ref/uiprogressdlg.html uiprogressdlg> or <https://www.mathworks.com/help/mat...

3 Tage ago | 0

Fit a spline function to a set of data points
Use function <https://www.mathworks.com/help/matlab/ref/spline.html spline>

4 Tage ago | 0

How to table the data
Use function array2table A=[1 2 3 4 5 6 8 9 7 1 4 5 1 0 1]; T=...

5 Tage ago | 0

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How to color an image

6 Tage ago | 0

Try the following: figure; %Produce figure LATLONG.F1 = [0 1 1 0; 1 0 0 1]; %2x4 array ...

7 Tage ago | 0

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How to implement Multi-Otsu Thresholding in matlab?
Use function <https://www.mathworks.com/help/images/ref/multithresh.html multithresh>

13 Tage ago | 1

Use function <https://www.mathworks.com/help/matlab/ref/matlab.graphics.datatip.datatiptextrow.html dataTipTextRow>

16 Tage ago | 0

How do I convert numbers of the form "12,109,987" stored in strings
use function <https://www.mathworks.com/help/matlab/ref/str2double.html str2double> instead of str2num

18 Tage ago | 0

How to create multiple answers accepted questions in Matlab script?
Use function listdlg with multiple SelectionMode.

20 Tage ago | 0

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Unrecognized function or variable 'm_equations'
Move the line function MorrisLecar to be the first line of your entire code.

21 Tage ago | 0

Concatenate three-dimensional matrices
This is the third dimension, hence cat(3,A,B)

21 Tage ago | 0

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How to add Slider properties with in the app designer?
It uses Limits rather than Min, Max to define the limits. Check this: <https://www.mathworks.com/help/matlab/ref/matlab.ui.c...

22 Tage ago | 0

How can I interpolate 13 hour data with each 10 minutes, in every second?
Put the data in timetable and use function retime.

23 Tage ago | 0

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How to Display selected image on the same window (App Designer)
Attach a very simple example to import a jpg file for your reference. Note that you may need to modify it according to your nee...

25 Tage ago | 0

How to fix Index position 1 exceeds array bounds (must not exceed 227)
After image resize, the size of the image is always 227x227 in terms of number of rows and columns. However, the original image...

27 Tage ago | 0

Merging Cell Array Elements with cellstr
Try this: merged = cellfun(@(x) cat(2,x{:}),num2cell(cell_temp,2),'UniformOutput',false)

28 Tage ago | 0

Modify cell value of a row based on other cell value in same row uitable
Just move the last comment as an answer. function uitable4_CellEditCallback(hObject, eventdata, handles) % Get the row num...

29 Tage ago | 0

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Find the length of a vector up to a certain value
The inner for loop is not necessary and it overwrite itself for every 'n'. You may modify the code as follows. ProbdistPoreden...

29 Tage ago | 0

How can I let my object repeat over time when animating it?
Try to preallocate 'AV' before the for loop and change the data each time inside the for loop: AV = patch('Faces',1,'Vertices',...

etwa ein Monat ago | 0

"regionprops" detecting one line only
load('s.mat') L1 = bwlabel(s); %vislabels(L1); % Ignore the user created funct...

etwa ein Monat ago | 0

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How to draw two plots in one figure?
Use function <https://www.mathworks.com/help/matlab/ref/yyaxis.html yyaxis>

etwa ein Monat ago | 0

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How to add text to a line in the plot?
If they are horizontal lines, you can use function <https://www.mathworks.com/help/matlab/ref/yline.html yline> By using this...

2 Monate ago | 0

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How to get the MathWorks documentation in chinese?
Select the Chinese website with Simplified Chinese at the bottom of the website. Then you can find the translated documentation...

2 Monate ago | 0

Error when selecting variables from an Excel sheet

2 Monate ago | 0

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how to save plot with its background color without the gray color
b_col = [255, 150, 0]; % orange color code b_col = b_col./255; f = figure; f.Color = [1 1 1]; % Set the...

3 Monate ago | 0

| accepted