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 years 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 years 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 years 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...

5 years 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...

5 years 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). ...

5 years 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

5 years 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...

5 years 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...

5 years 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...

5 years ago | 2 answers | 0

2

answers

Question


question about 'view' function
Hi: I have a question about 'view' function. https://www.mathworks.com/help/matlab/ref/view.html as can be found...

5 years ago | 1 answer | 0

1

answer

Question


how to get the RGB number from colorbar
Hi: I have a colorbar like below: or to simplify this question, I assume the color is from blue (RGB [0,0,1]) to r...

5 years ago | 1 answer | 0

1

answer

Question


data pick by given geometry
I have a set of scatter data, I want to do someting like below: use a given coordinate in the x-y system as input use this coo...

5 years ago | 2 answers | 0

2

answers

Question


marker size difference between 'plot' and 'scatter' function
if using the same size, the plotting result using 'plot' function and 'scatter' function are significantly different. to keep...

5 years ago | 1 answer | 0

1

answer

Question


anyway to compare date in Matlab
I have two file with the same name, but different location, for example: file1: D:/test/abc.m file2: E:/test/abc.m one of t...

5 years ago | 2 answers | 0

2

answers

Question


equality between different number of variables problem
I have a cell array and the size is changing. but I want to know wether all the cells are equal. Yes, if the size of the cell...

5 years ago | 1 answer | 0

1

answer

Question


anyway to set the location of number in colorbar
I have a figure with fixed size, since the size is fixed, the location of number sometimes exceed the limit, leading to imcomple...

5 years ago | 1 answer | 0

1

answer

Question


'movefile' does not delete source file in Linux system
according to the description of function 'movefile': https://www.mathworks.com/help/matlab/ref/movefile.html if the source fil...

5 years ago | 0 answers | 0

0

answers

Question


convert number to string problem
I have a column number, and I want to add some string in front of it, and assign it to items of a drop-down list in an App. ...

5 years ago | 3 answers | 0

3

answers

Question


plot scatter after line, anyway to make the scatter overlap the line?
Hi: I plot a scatter point after a line, the result looks like the line is crossing the scatter circle. is there any way to...

5 years ago | 0 answers | 0

0

answers

Question


any way to plot scatter-line with different symbol
is there anyway to draw a scatter-line figure with different symbol like below: Thanks! Yu

5 years ago | 2 answers | 0

2

answers

Question


uigetfile, is there anyway to choose multi suffix?
I need want to choose image files, the file type is either .jpg or .png, so I need to add an additional input to determine the f...

5 years ago | 1 answer | 0

1

answer

Question


show part of filenames using uigetfile
Hi: ther are lots of files with the same suffix, such as '.mat' in a folder, I have named them based on their features, for...

5 years ago | 1 answer | 0

1

answer

Question


string not recognized problem
I'm not sure if this title is approprite but I feel this is a very weird problem there is a string 'Cfi' in the string text_tmp...

6 years ago | 0 answers | 0

0

answers

Question


arrow length problem with 'quiver' function
I want to plot arrows using 'quiver' function along a circle, the circle is within a very small radius: ~0.02 the problem is ...

6 years ago | 1 answer | 0

1

answer

Question


tangent point between two circle problem
Hi: I have two circle that does not intersect with each other, the radius and center coordinates are known. there should ha...

6 years ago | 1 answer | 0

1

answer

Question


anyway to add text with given location at a 'pixel' based figure
is there anyway to add text with given location at a 'pixel' based figure? in the link below: https://www.mathworks.com/help...

6 years ago | 2 answers | 0

2

answers

Question


matlab polyfit with ax+by=c format
Hi: is there anyway to fit a data to ax+by=c format? for the attached data, it is obviously should better to be x=0....

6 years ago | 2 answers | 0

2

answers

Question


anyway to place the text of annotation at its right side?
Hi: is there anyway to place the text of annotation at its right side? below is my code to generate the figure above: ...

6 years ago | 1 answer | 0

1

answer

Question


anyway to know the detail disk information
is there anyway to get the detail disk information, such as (HDD or SSD),brand, and size, in both windows and linux system? T...

6 years ago | 1 answer | 0

1

answer

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