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Princeton University

Last seen: Today Active since 2017

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Question


where do I find web server app product?
I started matlab installer 2021b, browsed through all the packages/toolboxes, but couldn't find the Matlab web server app produ...

7 jours ago | 1 answer | 0

1

answer

Question


"cpselect.m" excluded from packaging
I got this message in "PackagingLog.html" when trying to package an application Excluded "C:/Program Files/MATLAB/R2019b/toolbo...

7 mois ago | 1 answer | 0

1

answer

Question


enumerate all possible combinations of an input space
for example I have 3 categorical variable, X1 can be 'A,B,or C', X2 can be 'A or D', X3 can be 'E or F', so there can be 3X2X2 d...

9 mois ago | 1 answer | 0

1

answer

Question


ROI of a ring area?
How do I define an ROI of a ring area, i.e, a big cirle and small cirle inside, and I want to select the area in between. Do I ...

10 mois ago | 1 answer | 0

1

answer

Question


Overlay multiple images in one axes with individual transparency adjustment?
I have 3 or more images of the same size to be overlaid, each is associated with a sliding bar for transparency (0-1) adjustment...

environ un an ago | 1 answer | 0

1

answer

Question


find the std of each parameter after lsqlin
I'm using x = lsqlin(C,d,A,b,Aeq,beq,lb,ub) to Solve a constrained linear least-squares problem. After that, how do I find the ...

plus d'un an ago | 1 answer | 0

1

answer

Question


Overlay two images in one axes?
I have two images of the same object, but with different resolutions (and sizes). I want to show the high resolution image in...

presque 2 ans ago | 2 answers | 0

2

answers

Answered
I have 10 rows and four columns in variable two. I want to write one row in one cell, 2nd row in 2nd cell, 3rd row in 3rd cell and so on into an Excel file using Matlab. How can I do this?
use num2str() to convert your 10X4 numeric matrix into 10 strings. Then use xlswrite() to write string into Excel cells. Here'...

environ 2 ans ago | 0

| accepted

Answered
How to add constraint with condtions using fmincon?
Ask yourself 3 question: How many vairable? how many constraints? and then how to write A and b. Now you are saying L is a know...

environ 2 ans ago | 1

Answered
How to add constraint with condtions using fmincon?
Your constraint could be written as: x-y < 1/(a<b)-1 when a<b, a<b=1, so, 1/(a<b)-1=0 when a>=b, a<b=0, so, 1/(a<b)-1=Inf, i...

environ 2 ans ago | 1

| accepted

Question


Error using function "drawassisted"
I copy and paste the example code below and got errors when testing drawassisted. Any ideas? im = imread('peppers.png'); im...

environ 2 ans ago | 0 answers | 0

0

answers

Question


How to add uibuttongroup to a toolbar
I want to add 3 toggle buttons to the toolbar. They are exclusive, i.e., only one of them should be pressed. It is easy to cre...

environ 2 ans ago | 1 answer | 0

1

answer

Answered
Sort a structure by the date field
It's easier to handle it in table: T=struct2table(examplestruct); sort(T.date)

environ 2 ans ago | 0

Answered
how to write series of multiple non-linear constraints for optimization using fmincon in MATLAB?
You have 2n parameters, named X1,X2...Xn(for phi) and Xn+1...X2n (for tau). You need to write the constraints in the vectorized...

environ 2 ans ago | 0

| accepted

Answered
Assigning Cell Arrays to Nested Structures within Structure array with Same Dimensions (Error: "Scalar structure required for this assignment")
I don't know how your struct is initialized. It should work. %initialize outputOfCefllfun{1,1}=magic(5); outputOfCefllfun{...

plus de 2 ans ago | 0

Answered
Generating an unknown ammount of Buttons in App Designer
You need to remove the line: UniButton = zeros(length(allKeys)); In the callback function, you can retreive source.Text ...

plus de 2 ans ago | 1

| accepted

Answered
How to append elements into a 2D cell array
Don't use "end", because it keeps getting larger when you append. Need to reset it in between the two loops. try below .........

plus de 2 ans ago | 0

| accepted

Question


How to add a scale bar on an image that will changes automatically with zoom in/out
Given an microscopy image, I want to add a scale bar on the bottom left or right corner of the image. This is not hard to do. ...

plus de 2 ans ago | 1 answer | 0

1

answer

Question


how to fetch splite3 blob data
sqlite() and fetch() function only works for one of these data types: double, int64, or char, But not for blob binary data chunk...

plus de 2 ans ago | 1 answer | 0

1

answer

Answered
How to read multiple excel files with different names
you can use this commend to select multiple files from the same folder.. [files,path]=uigetfile('*.xlsx','multiselect','on') a...

presque 3 ans ago | 0

Question


datastore for large structured data
There are Datastores for tabular text files, spreadsheet files, image files, etc. What if my data is a very large binary file, ...

presque 3 ans ago | 1 answer | 0

1

answer

Question


zoom tools in an image in GUI axes
I want to show an image in an gui axes and enable the zoom in(out) functionalities of the image using the mouse, display the (X,...

presque 3 ans ago | 1 answer | 0

1

answer

Question


complied standalone app failed to include toolbox functions
I made a gui, running perfectly in matlab enviorment v2017a. Then I complied it into a standalone application. But it failed t...

presque 4 ans ago | 1 answer | 0

1

answer

Question


Question about the CVmodels generated from regression learner app in machine learning toolbox?
In the regression learner, one can choose the "cross validation" option (i.e., 5 fold) to generate a model and use that model to...

plus de 4 ans ago | 1 answer | 0

1

answer

Answered
how do i rename or remove a sheet from an excel spreadsheet using matlab
https://www.mathworks.com/matlabcentral/answers/215703-changing-the-name-of-the-sheet-in-excel

plus de 4 ans ago | 0

Answered
How to find occurrences of a vector of strings in a cell string.
cs=[{'A1'},{'A2'},{'A3'},{'B1'},{'B8'}]; X=[{'A1'},{'B8'}]; find(ismember(cs,X)); ans: 1 5

plus de 4 ans ago | 0

| accepted

Answered
How to use data from base workspace in app designer application
initialize your EditFields using evalin(), such as: app.EditField1.Value=evalin('base','myvar1'); app.EditField2.Value=evalin(...

plus de 4 ans ago | 3

| accepted

Question


How to change the color of "partial" text in gui static text
For example, I want to display a string of 'ABCDE' in the static text box, and want to highlight C with red color or bold font. ...

plus de 4 ans ago | 1 answer | 0

1

answer

Answered
Calculus Matlab two variables
Try this, using fmincon(), to solve the min problem x0=[1,1]; Aeq=[8,3]; beq=24; lb=[1,1]; ub=[4,10]; fun=@(x)4+x(1)+x...

plus de 4 ans ago | 1

Answered
copy from UITABLE to clipboard not working
You may want to change the uitable property of 'ColumnEditable' from true to false. When it is true, you can edit, but can't co...

plus de 4 ans ago | 2

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