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Yu Li


83 total contributions since 2018

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Question


anyway to give separate color to 'stack' bar plot
Hi: I read an post from link below: https://www.mathworks.com/matlabcentral/answers/175955-how-to-assign-a-label-to-ea...

7 days ago | 1 answer | 0

1

answer

Question


problem while using 'intersect' between strings
Hi: I have two strings: s1='bound10-wall1.out' s2='bound10-wall24.out' and I need the intersect between them, then, ...

15 days ago | 1 answer | 0

1

answer

Question


understanding about idea in a Matlab Graphics blog
Hi: I read through a Matlab blog : https://blogs.mathworks.com/graphics/2015/07/22/implicit-surface-intersections/ I'm...

21 days ago | 0 answers | 0

0

answers

Question


question about indexing of logic matrix
Hi: I read through the blog presented in link: https://blogs.mathworks.com/graphics/2015/07/22/implicit-surface-...

21 days ago | 2 answers | 0

2

answers

Question


imread not working for gif problem
Hi: I have a gif and I want to read into Matlab, but it does not work, is there any mistake with my operation? the cod...

1 month ago | 1 answer | 1

1

answer

Question


anyway to call checkbox in appdesigner programmatically?
Hi: is there anyway to call checkbox in appdesigner programmatically? Thanks! Yu

1 month ago | 1 answer | 0

1

answer

Question


anyway to cat specific column using horzcat?
Hi: I have a cell array, the size is not determined, but each array is a 1000*3 matrix. I want to merge the 3rd colu...

2 months ago | 2 answers | 0

2

answers

Question


anyway to get list of linestyle in uiaxes of app
Hi: I have an UIAxes in app and I need the list of line style of it, the command I use is: lineStyle=app.UIAxes.LineStyleO...

2 months ago | 1 answer | 0

1

answer

Question


anyway to clear variable in Matlab workspace from app?
Hi: is there anyway to clear variable in Matlab workspace from app designer? an workaround I know is to use 'assign...

2 months ago | 2 answers | 0

2

answers

Question


how to get index of selected item in listbox of appdesginer
Hi: I want to get the index of selected item in listbox of appdesigner. I found a solution here: https://www.mathwor...

2 months ago | 1 answer | 0

1

answer

Question


anyway to close cftool programmatically
Hi: is there anyway to close cftool programmatically? Thanks! Yu

2 months ago | 1 answer | 1

1

answer

Question


anyway to transfer data from matlab workspace to appdesigner
Hi: I want to develop an app based on the data in the workspace. is there anyway to do it like 'cftool'? i.e. once I open t...

2 months ago | 1 answer | 0

1

answer

Question


cprintf not work in linux command window
Hi: I noticed that function 'cpirntf' does not work in Linux command window, below is what I did: 1. open a command wi...

2 months ago | 1 answer | 0

1

answer

Question


how to show selection of property using 'Tab' in self-developed function
Hi: I see for some Matlab function, such as 'colorbar', if I want to pick an location, I can use 'TAB' and some selection ...

2 months ago | 1 answer | 0

1

answer

Question


question regarding 'copyfile' function from folder to folder
Hi: I tried to use 'coypfile' function from folder to folder. assuming I have file a.txt, b.txt in folder 'A', and ...

3 months ago | 1 answer | 0

1

answer

Question


operation problem after use 'qlogin' in linux system
Hi: in the linux system, I log into a node and want to check the cores available for parallel computing, below is my code: ...

4 months ago | 0 answers | 0

0

answers

Question


anyway to read value of color column using data cursor
Hi: I have a scatter points x and y, and I colored them with c, below is the test code: [X,Y] = meshgrid(1:0.5:10,1:20); ...

4 months ago | 0 answers | 0

0

answers

Question


any way to add legend in bar plot like this?
Hi: is there anyway to add legend of a bar plot like below? i.e. put the bar plot on the left side and the legend on the ri...

5 months ago | 1 answer | 0

1

answer

Question


set editField 'invisible' in app-designer problem
Hi: I have a set of editField and I want to set them into 'invisible', the original display looks like below: ...

5 months ago | 1 answer | 0

1

answer

Question


cell part not saved using '-struct' option
Hi: I have a structure variable 'ImaInfo' like below: then I saved it into disk using '-struct' option, using co...

5 months ago | 0 answers | 0

0

answers

Question


use color bar as item in App-designer drop down list
Hi: I want to update my app-designer to select color, what I have now, is either to use color name ('r','b') or RGB value a...

5 months ago | 1 answer | 0

1

answer

Question


any easier way to find cell by string
Hi: I have a cell array like below: A{1}='test1a'; A{2}='test2a'; A{3}='test3a'; A{4}='test4a'; A...

5 months ago | 1 answer | 0

1

answer

Question


anyway to translate this command using 'cellfun'
Hi: I have a cell array like below: test{1}='1_xxxxx'; test{2}='2_xxxxx'; .... now I want to fine the...

5 months ago | 1 answer | 0

1

answer

Question


fieldnames not order as expected
Hi: I saved a serious of parameters in order into a matfile, but after I read it, the 'fieldnames' function does not return...

6 months ago | 0 answers | 0

0

answers

Question


anyway to get the RGB matrix of a Matlab Figure
Hi: I plot a figure using Matlab and then I need the RGB matrix of it, below are my workflow: 1. plot figure 2. p...

6 months ago | 0 answers | 0

0

answers

Question


anyway to adjust the figure with desired position
Hi: I plotted a figure but I want to adjust the position of the figure with the desired region(red rectangle shown below). ...

6 months ago | 0 answers | 0

0

answers

Question


any way to make annotation like this
Hi: I want to make an annotation with attached figures, is there anyway to do this in Matlab? Thanks! Yu

6 months ago | 0 answers | 0

0

answers

Question


problem with showing image in App-designer
Hi: I meet a problem while trying to show image in an app-designer below are my workflow: in a UIAxis, patch a squr...

6 months ago | 0 answers | 0

0

answers

Question


uigetfile for multiple type problem
Hi: I want to use uigetfile to pick files, the files needed have two types: 'abc*.mat' '*.dat' but when I use command: ui...

6 months ago | 1 answer | 0

1

answer

Question


any simplified way to get the length of each variable in structure
Hi: I have a structure, each element of the structure has a different size, which is what I neede. it is very eas...

6 months ago | 2 answers | 0

2

answers

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