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How to reshape a dataset?
Convert the dataset to the much more modern and supported table using dataset2table. Look at unstack()

3 years 前 | 0

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datenum resulting in incorrect values
Please use datetime instead of datenum. If you have an excel date, you can convert directly from that d = datetime(x, 'Convert...

3 years 前 | 1

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How to correctly use MONTHS function?
You should use datetimes, durations and the between function for this: >> d1 = datetime('may 31 2000', 'InputFormat', 'MMM dd y...

3 years 前 | 0

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How to convert arc length to km?
Arc length from the distance function is the distance. It will be in units of the ellipsoid or the value of the fifth input arg...

3 years 前 | 1

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How to add set/get methods methods in class constructor
You want dependent properties: Set and Get Methods for Dependent Properties - MATLAB & Simulink (mathworks.com)

3 years 前 | 0

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Finding threshold value with Otsu Method
doc graythresh

3 years 前 | 0

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Will newer versions of the MATLAB Compiler Runtime work on older versions of MATLAB?
No. The runtime needs to match the version of MATLAB it was compiled with.

3 years 前 | 1

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randsrc() in SimEvents simulink
Put this before it: coder.extrinsic('randsrc')

3 years 前 | 1

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array2table won't accept variable name input
Support for invalid variable names was added recently so you're probably on an older release that required >>isvarname(varname) ...

3 years 前 | 0

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System command calls different version of gdal
Can you provide the full path to the gdal executable? system('<gdalroot>/gdalinfo --version');

3 years 前 | 0

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How to turn off the JIT compiler in MATLAB R2020b?
No. All MATLAB code is JIT compiled in releases 15b and later.

3 years 前 | 1

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Generating enlarged figure for Report.
https://www.mathworks.com/help/releases/R2020b/matlab/ref/matlab.ui.figure-properties.html#d122e384507 Look at the paper posi...

3 years 前 | 0

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How to calculate hourly average value for measured Temperature, CO2, RH and Rid in 5 minutes interval
Read it in as a timetable readtimetable then call retime which does exactly what you want. t = readtimetable('yourfile') fivem...

3 years 前 | 0

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Motor control toolbox license
It doesn't look like it's avaiable - MATLAB Home - MATLAB & Simulink (mathworks.com) Click the see available products button. I...

3 years 前 | 0

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How to add Python Libraries which are referenced in a Python routine
Are you sure the python environment (specified by pyenv) is numpy aware?

3 years 前 | 0

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How to convert image .mat back to the mlreportgen.dom.Image object?
You'll need to write the image back to disk as the report generator needs to deserialize it from this format into the report. If...

3 years 前 | 0

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How can I use fmincon into the SPMD when the parameters of objective function differs from on workers to another?
Why not just use parfeval?

3 years 前 | 1

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Shrinking image by averaging
This works img = repmat(1:6,4,1) shrink = @(x)reshape(sum(reshape(sum(reshape(x,2,1,[])),size(x,1)/2,2,[]),2)./4,size(x,1)/2,[...

3 years 前 | 0

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Appdesigner uitable and uistyle
capital S in addStyle :)

3 years 前 | 0

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Function 'daysact' not supported for code generation.
You should use the newer and recommended datetime / duration classes which support c-codegen: d = days(datetime(t1)-datetime(t2...

3 years 前 | 0

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Timer callback with alternating paths based upon which path was triggered before
You could use a simple persistent variable in your callback function to maintain state.

3 years 前 | 0

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Is this right?
-4 v -5?

3 years 前 | 0

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Manipulating PowerPoint Custom Document Properties Using ActiveX
You should strongly consider using the MATLAB Report Generator to generate the presentations. It lets you use existing template...

3 years 前 | 0

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Is there a script or app to convert many (>50) matlab figure files into powerpoint presentation??
You can do this pretty easily with the MATLAB Report Generator. Presentation Generator Development - MATLAB & Simulink (mathwor...

3 years 前 | 0

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Sorting time in 1 hour time slots.
Look at retime. doc retime

3 years 前 | 0

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please help with work
v = ["Not Valid" "Valid"]; v(isvarname(input('enter variable name: ', 's'))+1)

4 years 前 | 1

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How to unit test several different functions that take the same input arguments efficiently?
Look into using TestParameters. You can use an array of function handles as the parameter values to traverse different function...

4 years 前 | 2

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colon operator in compiled python package
You should call the MATLAB module with a numeric input rather than a list. This is the data type conversion table. Use numeric...

4 years 前 | 0

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Enable/Disable uitabs in uitabgroup, with v2015b
In App designer this is possible by adding a panel inside the uitab and disabling the uipanel.

4 years 前 | 0

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Marker Symbol 'I' in plot
This capability was added in 20b. https://www.mathworks.com/help/releases/R2020b/matlab/release-notes.html?category=graphics&rn...

4 years 前 | 2