Answered
How can I create a surface plot (with height in Z) from X-Y coordinates and Z as a matrix?
Remove the clf and hold on commands from your plotting commands. The coloring is already done by height, but by default, each p...

5 years ago | 0

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Answered
Hiding Assessments results from students in MATLAB Grader
This is not currently possible with MATLAB Grader.

5 years ago | 0

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How read CSV data on MATLAB APP?
The snippet you have shared is working just fine. It is later on in your code that something unexpected is happening. This line...

5 years ago | 0

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Answered
[Matlab Online] Internal Error: "Reference to a cleared variable logger."
You can report suspected bugs here.

5 years ago | 0

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Reshaping a table with date and characteristics in rows
See this answer

5 years ago | 0

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Answered
How can I subtract the times without considering the date in question?
Use the timeofday function. % create vector of datetimes date = datetime(2019,[4;4;5;5],[24;25;1;2],[4;3;2;4],[30;30;50;30],0)...

5 years ago | 0

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Answered
Matching columns of two different tables with different tablesizes
I have the details from the deleted post. Here is my code for that question. Let me know if you have any questions. % Create ta...

5 years ago | 1

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Answered
I am getting this error "Output argument (and maybe others) not assigned during call to"
I think you maybe forgot to end your if statement. It also looks like the dimensions for B are incorrect. Should it be a 3x2 mat...

5 years ago | 0

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Answered
Boxplot group labels turning interpreter off + Displaying boxplot symbols.
How can I turn of Latex interptreter for the labels? Set the 'Interpreter' property to 'none'. xlabel('All_Vehicles',"Int...

5 years ago | 0

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Extracting additional parameters from a model output
Global does not work because Pl only contains a single value at a time. You could try one of the solution in this answer, but I ...

5 years ago | 0

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How do I add a label on each bar of a multiple bar chart? I want to add specific times as labels.
See the 'Specify Labels at the Ends of Bars' example on the bar documentation page.

5 years ago | 0

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Can be served in a virtual environment MatLab?
You should contact your university's MathWorks representative or Contact Sales directly.

5 years ago | 0

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I get a Warning from scatteredInterpolant.
It means it discovered duplicate (x,y) pairs. See the Eliminate Duplicate Sample Points section of the documentation page for m...

5 years ago | 0

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Writetable for different data to same file
See the Append Data to Bottom of Table example on the writetable documentation page.

5 years ago | 0

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Help reorganizing data in a table
I like Konrad's approach. You can easily reorder the results to be what you want, and it's easy to understand. I went down a rab...

5 years ago | 0

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Answered
How do you plot the solution of a system of odes against a parameter of the function and not time?
In your code, delta and m are constants. It is likely they ran multiple simulations to create that figure, varying the contants ...

5 years ago | 1

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Add average temperature line onto plot
Use the yline function.

5 years ago | 0

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Recognise micrometer symbol in image
I have only played around with this quickly, but it is likely part of the issue is that you are using the english language packa...

5 years ago | 1

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Stuck at MATLAB Onramp Course
See this answer.

5 years ago | 0

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Filtering down a readtable based on specific value in a column
Assuming we are missing some of the code (all the column numbers used to construct RawBonusStars, I believe your issue with the ...

5 years ago | 0

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Unable to use a value of type string as an index
Correct. An index must be a positive integer value. If you instead intended to pass in a variable containing the index values, r...

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Answered
subtract each element from the one before in a row matrix
You are overwritting your variable Mid_s everytime, so you just end up with the very last number. Ch 13 of MATLAB Onramp will in...

5 years ago | 0

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what code should i use to plot the set of resulting values?
See Ch 9 of MATLAB Onramp.

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Please assist! Z1= exact solution; Z2= approximate solution. Now i want to plot a 2D graph of the exact and approximate solution in ONE graph to campare the results
See MATLAB Onramp Ch 9

5 years ago | 0

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How can I add slides to an existing ppt presentation?
I found this statement in the documentation: "To add a slide, use the add method with an mlreportgen.ppt.Presentation object. F...

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System Linearization and PID tuning
You could use the PID Tuner app. When it opens, it will first linearize your model. See here.

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How to use ode4 with ODE system?
This is not a MathWorks-supplied function. The error message suggests this function does not return 2 outputs. When I look at ...

5 years ago | 0

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How to visually check equations
You likely need the Symbolic Math Toolbox to do what you want. Note that it it will combine the numeric values in the process. ...

5 years ago | 0

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How to sum up over dates?
Convert your dates to datetimes and use groupsummary with the groupbins input set to 'day' and your method set to 'sum', and dat...

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How to extract lat and long and height from a $GPGGA string and time match to another file?
I would also suggest playing around with the import tool. Here, you can use a UI to find the right settings to import the data, ...

5 years ago | 0

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