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raym


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Question


javaaddpath not update during runtime inside a function
Hi, I encountered a problem trying to load a jar inside a function. The problem is that when the function runs, it goes into in...

27 days ago | 0 answers | 0

0

answers

Question


com.google.gson appears multiple time in matlab jar library and refuse to load new version of com.google.gson
I have encountered this problem in many times in the past years. Matlab has several library jars with com.google.gson class, in...

27 days ago | 0 answers | 0

0

answers

Answered
How to let a lab tell if another lab is idle or not in a spmd block at that time : isidle(labindex)
labProbe can solve this problem.

5 months ago | 0

| accepted

Question


How to let a lab tell if another lab is idle or not in a spmd block at that time : isidle(labindex)
Hello, Is there a way to let lab 2 know if a lab 1 is idle or not in a specific timepoint: % an example (not related to reali...

5 months ago | 2 answers | 0

2

answers

Question


m file code sometimes loss a "end" and corruput the file on hard disc.
I encountered some very rare error (~1 occurance/year). The error is that when I run matlab project/functions, very rarely the ...

5 months ago | 1 answer | 0

1

answer

Submitted


loop pause continue manipulator
This small panel can pause during a loop by switch the button anytime. If switch to pause, next loop will pause,, until switc...

5 months ago | 0 downloads |

Question


Can I delete the folder C:\MATLAB\SupportPackages\R2016a\downloads?
I have installed several Suppoer Packages before, but my C drive is almost full. I found several large files, such as NIDAQ145...

6 months ago | 0 answers | 0

0

answers

Answered
PowerPoint ActiveX(COM interface) became very unstable suddenly
The problem is solved by 2 ways: (1) always use admin account. (2) let admin entitle the admin privileges to the account to be...

7 months ago | 0

| accepted

Question


PowerPoint ActiveX(COM interface) became very unstable suddenly
Hi, I have been using ActiveX to control powerpoint (such as insert picture, text box) for a long time. The background is that,...

7 months ago | 1 answer | 0

1

answer

Answered
problem with watershed 3D segmentation
max(max(max(L))) is 5, which means there are already 5 cells detected. you can play like this : implay(L*40,2) the display ra...

7 months ago | 0

Answered
How to prevent a figure window to automatically take focus
This is how I solve the problem: focusHwnd = WindowAPI(0,'GetFocusHWnd'); % ... do the figure, plot, etc. WindowAPI(focusHwnd...

8 months ago | 0

Question


File size continuously increase when use h5D.write() to update some data block in original place.
Hi, I am trying to update a data block into a h5 file using h5D.write. The updated file opens with no problem, but the file si...

8 months ago | 1 answer | 0

1

answer

Question


strsplit: the deliminator on both sides was still kept but not removed
Hi, I am using strsplit to split a string by space using R2016a. I expect all the space was removed, but I got: strsplit(' aa...

11 months ago | 1 answer | 0

1

answer

Question


fread does not return the required length of data for large file.
Hi I aim to read a region of data from a large file in binary mode, but the returned vector is of wrong length. % a file of 3...

1 year ago | 1 answer | 0

1

answer

Question


How to save clustergram as fig file using code?
I generate a clustogram using R2016a, cgo = clustergram(rand(94,250),... 'RowLabels',repmat({'rowLabel'},1,94),......

1 year ago | 1 answer | 0

1

answer

Answered
How to replace google-collect.jar with the newer version guava.jar
I have the same error with you . Have you solved?

1 year ago | 0

Question


deployed app exit when GUI appeared
Hi, I have a function that shows a GUI with buttons and callbacks. When running in matlab, it create the gui figure and relea...

1 year ago | 1 answer | 0

1

answer

Question


im2bw get different binary results on same data between double and uint8 in R2016a
Hi, I am using im2bw to convert a RGB image to binary, but get very different results when image was in uint8 or double format. ...

1 year ago | 0 answers | 0

0

answers

Question


Cannot find builtin function 'waitbar'
Hi, I am calling builtin fucntion to run waitbar in R2017b but got an error: Cannot find builtin function 'waitbar'. Is w...

1 year ago | 1 answer | 0

1

answer

Question


How to show file name instead of full file path in matlab's code editor bar
Hi, Usually the m code editor bar shows the full path to m file. Occasionally I found that when I open the code editor and var...

2 years ago | 0 answers | 5

0

answers

Answered
Pass matlab javaArray('java.lang.Integer',Length) as "java method input: int[]" to be filled in the method failed
I find an answer here. https://www.mathworks.com/matlabcentral/answers/94559-why-do-i-receive-an-error-when-i-call-the-read-met...

2 years ago | 0

| accepted

Question


Pass matlab javaArray('java.lang.Integer',Length) as "java method input: int[]" to be filled in the method failed
In java/C#/C++ method, there is a way to input a empty array as one argument in, and the method can fill this array, which could...

2 years ago | 1 answer | 0

1

answer

Question


how to input to "imread" using uint8 vector that is equivalent to binary data of image file from fread
Hi, I am trying to read many 512x512 jpg files that extracted from a .db database as uint8 vector for each file. The vector is...

2 years ago | 2 answers | 0

2

answers

Question


SQLite JDBC error: [SQLITE_ERROR] SQL error or missing database (no such table:)
I'm trying to read data from a .db file. This file has a colume of blob data type that cannot be read by function sqlite. So I ...

2 years ago | 0 answers | 0

0

answers

Answered
Unexpected type: SQL_BLOB; (zero-based)
sqlite interface only support several basic data type. To access blob, you may use database function to create a connect object...

2 years ago | 0

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

2 years ago

Question


How to pop the content of a matrix in a way like pop the content of a cell
We know that the arguments of a function can be placed in a cell and call it like this: aCell = {arg1,arg2,arg3}; myFunction(a...

2 years ago | 3 answers | 0

3

answers

Submitted


me: call self in recursive way but independent of mfilename
With argument,this funciton call the mfilename that it was located in, in an recursive way and can retrieve output.

2 years ago | 1 download |

Answered
How to ignore not serializable variables when saving workspace
https://www.mathworks.com/matlabcentral/fileexchange/74345-save-caller-s-workspace-to-mat-file-skip-all-java-object

2 years ago | 0

Submitted


MFquestdlg: add two more cool fratures to MFquestdlg
Add two cool features to ‘MFquestdlg from Saeid https://www.mathworks.com/matlabcentral/fileexchange/31044-specifying-questdlg-p...

2 years ago | 3 downloads |

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