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Simon Chan


Hospital Authority

2021 이후 활성

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How to plot mutiple vertical lines over x axis ?
User function xline is easier.

24일 전 | 0

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how to remove arrows in streamslice plot?
Here: clc, clear, close; X = linspace(0,1.5); Z = linspace(-3,3); [z,x] = meshgrid(Z,X); ui = -0.04545*x.^2.*z; vi = x.*(-...

29일 전 | 0

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Gensurf / Axis Limitations
Try this: set(gca,'ZLim',[0 5]) or zlim([0 5]); % with bracket

약 1달 전 | 0

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Am I writing an image volume correctly from the Dicom files in a directory?
Looks good except the last two lines. You know the slice location may not be in a correct order and you sort it in the last lin...

약 1달 전 | 0

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Change data tip to your notation
If you would like to replace the name X,Y,Z to "Age", "Male", "Pron. dialog" respectively and display the same values, try the f...

약 1달 전 | 0

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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...

약 1달 전 | 0

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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...

약 1달 전 | 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...

약 1달 전 | 0

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

약 1달 전 | 0

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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=...

약 1달 전 | 0

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How to color an image
Try the following: I = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1052130/image.png'); BW = imbina...

약 1달 전 | 0

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Error adding DataTipRows to patch/fill
Try the following: figure; %Produce figure LATLONG.F1 = [0 1 1 0; 1 0 0 1]; %2x4 array ...

약 1달 전 | 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>

약 2달 전 | 1

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Adding additional information on plot tooltip
Use function <https://www.mathworks.com/help/matlab/ref/matlab.graphics.datatip.datatiptextrow.html dataTipTextRow>

약 2달 전 | 0

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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

약 2달 전 | 0

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

약 2달 전 | 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.

약 2달 전 | 0

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

약 2달 전 | 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...

약 2달 전 | 0

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

약 2달 전 | 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...

약 2달 전 | 0

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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...

약 2달 전 | 0

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

2달 전 | 0

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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...

2달 전 | 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...

2달 전 | 0

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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',...

2달 전 | 0

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

2달 전 | 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>

2달 전 | 0

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How can I convert 3d MRI data (128x128x27) into 4d (128x128x1x27) for visualization using montage?
B = permute(A,[1 2 4 3])

3달 전 | 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...

3달 전 | 0

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