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Content Feed
Question
What toolboxes should I get to do speech formant analysis in real time?
I want to record speech sound with a mucrophone, and have its formants analyzed and displayed in real time. Hopefully the spectr...
5 days ago | 1 answer | 0
1
answerQuestion
Is there a less bug-prone way to include quote in selector string variable when defining opt.TableSelector?
My situation is to readtable( ) several tables, each of which has a specific title, from an html file. I have come up with a co...
15 days ago | 1 answer | 0
1
answerStoring a .mat file in mysql database
In my own experience I have tried three different approaches to store tables in MySQL. I also use Workbench (UI for MySQL comman...
17 days ago | 0
Question
How to access data of regexp output (without temporary variable)?
I know how to convert the output from regexp( ) to a table by intermediating through a temporary variable as this solution: str...
1 month ago | 4 answers | 0
4
answersQuestion
use unstack to reshape table with dummy variable (edited: alternative crosstab method)
After I sort table according to a group variable, I like to put the group value as the 'header' column and put its members in th...
2 months ago | 2 answers | 0
2
answersQuestion
Edit: sqlwrite( ) fails when integer variable's value range is set too small.
Edit: previous wrong undestanding: "sqlwrite( ) fails to save a tall table to MySQL (native connection mode), when the number o...
2 months ago | 1 answer | 0
1
answerUnable to connect to MySQL (native data source configuration) on iMac
After I upgrade Matlab to 2023a, this problem is gone. I now can connect to MySQL server with "native" mode. Thanks to Mathwork...
2 months ago | 0
| accepted
Question
Why is parfor-loop is much slower than for-loop in this case?
I just started to explore the pros and cons of parfor-loop. In the simpy testing codes below, parfor-loop is much slower than fo...
2 months ago | 1 answer | 0
1
answerQuestion
How to include a wide table's VariableDescriptions as an additiolnal column when stacking the table?
I would like to make a wide table's VariableDescriptions as an additional column when I stack the table. I have written some cod...
2 months ago | 1 answer | 0
1
answerQuestion
Live editor's new panel is just blank when another live script is open
I just started using Live Script more often recently and loved it. But when a couple live scripts are being edited, Matlab Live ...
3 months ago | 1 answer | 0
1
answerQuestion
How to suppress "Warning: ATTR will be removed in a future release" when update( ) MySQL?
Everytime I use the update( ) function to update a row in a MySQL table, the warning message is displayed Warning: ATTR will be...
5 months ago | 1 answer | 0
1
answerQuestion
How to modify the built-in 'fetch' function so that it can select columns flexibly?
I was trying to write a function which fetch only the columns I like from a MySQL table. easy_fetch(conn, 'mytable', 'A', 'B') ...
7 months ago | 1 answer | 0
1
answerQuestion
How should XPath be set in TableSelector for htmlImportOptions so readtable( ) can output the first three tables in an html file?
I like to read first three tables in an html file with calling readtable( ) once in order to reduce the html file reading ti...
8 months ago | 2 answers | 0
2
answersQuestion
How can my code, which collects bad data with 'cellfun' and 'try, catch', be improved?
My real situatoin is that I have a large number of files. Some I suspect are bad. I want to know the file names of all the bad f...
9 months ago | 1 answer | 0
1
answerQuestion
JDBC warning message: "..... The new driver class is `com.mysql.cj.jdbc.Driver'...."
I have configured a JDBC data source successfully. There is no problem of reading in a database from the data source. However, ...
9 months ago | 0 answers | 0
0
answersQuestion
Why does not string(f.name) work, f = dir(folder)?
I want to do something to, like split, the filenames in a folder. I first use dir( ) to get the contents of the folder. folde...
10 months ago | 3 answers | 0
3
answersQuestion
How to convert negative numbers in parentheses (bank-formatted text) to numbers with minus sign?
I like to find a function or a better way to convert (9,999) to -9999. This problem occurs when I use readtable(...) to read an ...
10 months ago | 3 answers | 0
3
answers'CEF Helper' ate all my RAM and abused my GPU - what is it doing?
I have a 'cefhelper (Renderer)' problem in a different situation. In 'Help Center' window, when I click 'Examples' button, an ic...
11 months ago | 1
Question
cefhelper (Renderer) icon bouncing in Mac OS Dock, whenever accessing Matalb 'help'
Let me describe what happens. I type in the command line 'help dir' (or help other topics). I click Documentation for strsplit, ...
11 months ago | 0 answers | 0
0
answersHow do I resolve 'Bundle' error messages?
Similar problem with me. When I was configuring MySQL native connection in script, I received the error message: "Failed to load...
11 months ago | 0
Question
Database Explorer App in Mac has no option for MySQL/ODBC connection
Is that normal? I hope the app has configuration option for ODBC because the native connection (MySQL/C++) doesn't work. And I ...
11 months ago | 0 answers | 0
0
answersQuestion
Unable to connect to MySQL (native data source configuration) on iMac
[My Computer Setup] iMac Pro OSX 12.4 Montery MySQL/C++ connector has been installed by brew as well as by .dmg package. The p...
11 months ago | 1 answer | 0