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KAE


Last seen: 3 days ago Active since 2017

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Question


How to generate synthetic HDR videos in Matlab?
I'd like to generate HDR videos in Matlab. The videos would not be camera-acquired imagery, but instead would be a sequence or a...

2 months ago | 0 answers | 0

0

answers

Question


What happened to eval function?
I am using R2022a, and the eval function is giving me an error, eval(['4 + 5']) Unrecognized function or variable 'eval'. Ig...

3 months ago | 1 answer | 0

1

answer

Answered
bar graph with broken y-axis
https://www.mathworks.com/matlabcentral/fileexchange/14308-break-bar-plot?s_tid=ta_fx_results But, I agree with @Daniel Shub . ...

4 months ago | 0

Question


'Replace' shortcut in editor for R2022
In R2022, when I'm editing a mfile, is there a keyboard shortcut to replace text in the mfile? If I use CNTL F, the Find window ...

5 months ago | 1 answer | 0

1

answer

Answered
How can I add or remove the menubar or toolbar from a figure in MATLAB?
Even with the instructions, there is still a white bar at the top of the figure, like in screnshot below. (The rest of the figur...

6 months ago | 0

Answered
How do I decrease the margins around the subplots in my figure in MATLAB?
You could try tiledlayout.

1 year ago | 1

Question


How to place text label near line, but avoiding other lines and labels?
I would like to plot many lines and put a text label near each line. But often the text labels lie over other lines or labels, a...

1 year ago | 0 answers | 0

0

answers

Question


Finding index to values at latest dates in tall timetable
I have a tall timetable containing some repeated values (a, b, or c) in one column. I want to find the rows containing the lates...

1 year ago | 0 answers | 0

0

answers

Question


Data dashboard in Matlab
I am planning a project that will include a continually-updating display of results from a database. I know there are packages l...

1 year ago | 0 answers | 0

0

answers

Question


Tall arrays are not allowed to contain data of type struct
I am having trouble with tall arrays in the following workflow, Process data in a loop. In each iteration, generate structure ...

1 year ago | 1 answer | 0

1

answer

Question


Importing a table with unknown number of rows
I have several xlsx files that contain the same columns, but different number of rows. An example xlsx file is attached. I would...

1 year ago | 1 answer | 0

1

answer

Answered
Using Database Toolbox to connect to and query Cosmos DB
In case it helps someone else: I got extensive help from Mathworks on using the MATLAB Interface for Azure Cosmos DB and am now ...

1 year ago | 0

| accepted

Question


Using Database Toolbox to connect to and query Cosmos DB
I am new to Matlab's Database Toolbox and have limited experiences with databases in general. There is an Azure Cosmos DB that I...

1 year ago | 1 answer | 0

1

answer

Question


Piecewise differentiation, automatic identification of pieces
I have a time series defined by gradual changes interrupted by large jumps; the time series also contains random noise. It also ...

1 year ago | 2 answers | 0

2

answers

Answered
Error loading .net Assembly from a Matlab exectuable.
Matlab staff should answer this, there are a couple similar questions on Answers

1 year ago | 0

Question


Tab disappears in formatted string in multiline text command
I would like to label a plot with a multiline formatted string which includes some tabs, but the tabs disappear on the plot. How...

1 year ago | 1 answer | 0

1

answer

Question


Non-bold font in multiline title (LaTEX)
I would like to have a multi-line title in which the first title line is bold, which is the default, but subsequent title lines ...

2 years ago | 1 answer | 0

1

answer

Answered
Why is R2020a slow to return errors?
Here is more info on fixing this problem, including the useful function RemoveDrivesFromHistory.

2 years ago | 1

Question


Import datetime in custom date format which includes junk characters
I would like to import a csv file that contains a column of times in the following format, 2020-09-02T16:31:44.427Z I am usin...

2 years ago | 1 answer | 0

1

answer

Question


Why is R2020a slow to return errors?
When I switched to R2020a (Windows), I noticed that a simple error at the command line takes about 20 seconds to resolve, % Sim...

2 years ago | 2 answers | 0

2

answers

Answered
Why is the automatic time labeling of my plot in quarters?
It turns out the time variable is a datenum, and when you are plotting them, you can choose the time labelling format using date...

2 years ago | 0

| accepted

Question


Why is the automatic time labeling of my plot in quarters?
I am plotting a timeseries object* and the automatic date labelling of the x-axis is, unfortunately, in financial quarters (Q1-2...

2 years ago | 1 answer | 0

1

answer

Answered
Using controlchart with specified time vector
Here is what I have tried. The time labeling on the x-axis is not as nice as plots that use datetime; for my real data, it is la...

2 years ago | 0

Question


Using controlchart with specified time vector
I have some measurements consisting of an irregularly-sampled datetime vector and measured values, and I would like to use the c...

2 years ago | 1 answer | 0

1

answer

Question


Fastest recursive search for files
From this answer, I learned that dir can search recursively for files in subdirectories, and it is about 3X faster than what I h...

2 years ago | 0 answers | 0

0

answers

Question


Checking if a nested field exists in a structure
I am building a structure whose fields and subfields are nested structures. I would like to cycle through a subfield, determine ...

2 years ago | 1 answer | 0

1

answer

Question


How to fit a common linear trend observed across multiple sensors?
Let's say I have 10 noisy sensors measuring temperature vs time, and I want to fit a linear trend which is common across all 10 ...

2 years ago | 1 answer | 0

1

answer

Question


How to retrieve a table entry using row name?
The function anova returns a 3x5 table and I would like retreive the value from the row named Model and column named pValue. How...

2 years ago | 1 answer | 1

1

answer

Question


Getting a command like gather to run silently
I am using the command gather many times in a loop, and it throws out the following updates each time, Evaluating tall expressi...

2 years ago | 2 answers | 0

2

answers

Question


Do I need anything more than a db file and the Database Toolbox to access a Sybase database?
I have been given two files MyDatabase.db and MyDatabase.log file by a coworker, who said they are a Sybase database. To access ...

2 years ago | 1 answer | 0

1

answer

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