Answered
Change from 2022 to 2021 Plotting Issues
The ability to plot table arrays by passing them as inputs to the plot function was introduced in release R2022a as stated in th...

3 years ago | 1

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Can't find matlab.exe file
The MATLAB Runtime is not the MATLAB you'd use to develop MATLAB code. It is used to run deployed applications created by MATLAB...

3 years ago | 1

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Answered
Speed up MatlabFunction or use alternatives
Have you tried telling matlabFunction to skip trying to Optimize the code? cd(tempdir) syms a b c d positive syms x s = solv...

3 years ago | 0

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Detecting maximum with threshold
You may want to take a look at the islocalmax function.

3 years ago | 0

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matlab function syms slows down simulink model
Generate a MATLAB Function block using matlabFunctionBlock as shown on this documentation page.

3 years ago | 1

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left characters of a string
This wasn't an option when the question was originally asked, but the extractBefore function will work for both char vectors and...

3 years ago | 2

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How to solve dot indexing error in matlab reinforcement learning function "sim"?
The documentation page for the sim function in Reinforcement Learning Toolbox states that the env input argument must be a "rein...

3 years ago | 0

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Is it possible to get a time-dependent function as an output of an ODE solver?
Call ode45 with one output argument. Pass that output from ode45 and an array of times into the deval function to evaluate the s...

3 years ago | 0

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can MATLA read very large CSVs (>150GB)?
Use the tools in MATLAB for processing Large Files and Big Data.

3 years ago | 2

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Converting equations to first order system for ODE45
Let's look at your equations and your definition for your state vector. v' + r + phi'' = alpha1 + alpha2 r' + phi'' = alpha1 +...

3 years ago | 2

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Another question on eliminating for loops....
Take a look at the ndgrid function.

3 years ago | 0

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Remove array elements but also store the element indices that were not removed
Do you want the indices or the elements that weren't deleted? a = ["a", "b", "c", "d", "e" ,"f"]; u = [1 5]; indToKeep = setd...

3 years ago | 0

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Answered
I need to group certain hours of a day into day and night categories from my xlsx file in the format "yyyy-MM-dd'T'HH:mm:ss."
Let's look at a sample datetime. t = datetime('now') What time of day does that represent? tod = timeofday(t) Is that time o...

3 years ago | 0

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"\newline" "\mu" "pi", etc. doesn't work as intended on xticklabel of boxplot. It just prints as it is instead of printing a new line or μ or π.
Note that in order for tick labels to be interpreted as TeX or LaTeX the TickLabelInterpreter property needs to be set correctly...

3 years ago | 0

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How to resolve "RemoteAPIClient with no properties." error?
This is not an error. This successfully created an instance of the RemoteAPIClient object. I don't see any function named Remot...

3 years ago | 0

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List of all functions an their toolboxes
So you're looking for something like the function lists? This one is for MATLAB; each product has its own page like this. Are y...

3 years ago | 2

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imfinfo doesnt work in R2022b, it's bugged
Since you said imfinfo works for other files but not this one, I'm wondering if the file has somehow been corrupted or if it was...

3 years ago | 0

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Problem with if statements
Don't define a large number of variables whose names match the symbols for the elements and use a large collection of if stateme...

3 years ago | 1

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contradicting date identifier definitions in datestr and datetime
That's correct. This is mentioned in the description of the Format property on the datetime documentation page. If I recall cor...

3 years ago | 0

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How to perform these matrix calculations?
See the diff and cumsum functions.

3 years ago | 2

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Error-Variable might be used before it is defined
This would work if SpeedMaxOpt is a Constant property of the Global class or a Static method of that class that can be called wi...

3 years ago | 0

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Answered
Hist3 zero enteries
Instead of using hist3 I recommend you use histogram2 instead. It has some properties, including Normalization and ShowEmptyBins...

3 years ago | 0

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I am getting this preallocation warning
This is a Code Analyzer warning not a run-time warning. If you're not sure what preallocation is, why it can be important, or h...

3 years ago | 1

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How do I insert a picture into a script?
If your script is a live script that you have open in the Live Editor, select the Insert tab of the Toolstrip then click the Ima...

3 years ago | 0

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Datetime to string format issue
Don't use datestr. As its documentation page states, it is not recommended. Use string or char instead. dt = datetime('now'); ...

3 years ago | 0

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How to manually move (smoothly) a set of evenly spaced xlines
With your clarifying picture there may be another possibility. You could just put the xline objects in their required position a...

3 years ago | 1

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How to manually move (smoothly) a set of evenly spaced xlines
While you can't create a vector of xline objects in one call in release R2020a, you can store those handles in an array. axis([...

3 years ago | 1

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Answered
operator > is not supported for operands type of cell
None of the relational operators are defined for cell arrays. A cell array can contain basically any type of data you can create...

3 years ago | 2

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Suggest an Alternate for Nonzero (nnz) built-in function
You can keep track of the next row to be filled. When you add data to a row, increment that tracking variable. x = zeros(6, 3);...

3 years ago | 0

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Error using vertcat Dimensions of arrays being concatenated are not consistent.
What is the full and exact text of the warning and/or error messages you receive? Please show us all the text displayed in orang...

3 years ago | 0